|Table of Contents|
Developed by LinkedIn and open sourced in June 2015, Pinto is a distributed OLAP datastore that enables real-time scalable analytics. Key features include column orientation, pluggable indexing technology, data ingestion from Kafka and Hadoop and support for a SQL-like language. Operating System: Windows, Linux, OS X
Developed by Facebook, Presto describes itself as "an open source distributed SQL query engine for running interactive analytic queries against data sources of all sizes ranging from gigabytes to petabytes." Facebook says that it uses it for queries against a 300PB data warehouse, and other users include Airbnb and Dropbox. Operating System: Linux
This "blazing-fast" enterprise search platform claims to be highly reliable, scalable and fault tolerant. The companies using it include AT&T, Ticketmaster, Comcast, Instagram, Netflix, IBM, Adobe and SAP Hybris. Operating System: OS Independent
Apache Spark boasts that it can "run programs up to 100x faster than Hadoop MapReduce in memory, or 10x faster on disk." Organizations "powered by" Spark include Amazon, Baidu, Groupon, Hitachi Solutions, IBM, MyFitnessPal, Nokia and Yahoo. Operating System: Windows, Linux, OS X
Enterprises frequently need to transfer data between their relational databases and Hadoop, and Sqoop is one tool that gets the job done. It can import data to Hive or HBase and export from Hadoop to RDBMSes. Operating System: OS Independent.
Apache Storm offers to do for real-time data what Hadoop does for batch data. Its website lists The Weather Channel, Twitter, Yahoo, WebMD, Spotify, Verisign, Flipboard and Klout among its users. Operating System: Linux
Originally developed by LinkedIn, this Apache top-level project does distributed stream processing. It relies on the Kafka messaging system as well as Hadoop YARN distributed processing technology. Operating System: Windows, Linux, OS X
Calling its BigMemory technology "the world's premier in-memory data management platform," Terracotta boasts 2.1 million developers and 2.5 million deployments of its software. The company also offers commercial versions of its software, plus support, consulting and training services. Operating System: OS Independent.
Built on top of Apache Hadoop YARN, Tez is "an application framework which allows for a complex directed-acyclic-graph of tasks for processing data." It allows Hive and Pig to simplify complicated jobs that would otherwise take multiple steps. Operating System: Windows, Linux, OS X.
This administrative big data tool describes itself as "a centralized service for maintaining configuration information, naming, providing distributed synchronization, and providing group services." It allows nodes within a Hadoop cluster to coordinate with each other. Operating System: Linux, Windows (development only), OS X (development only).
Downloaded more than 120,000 times, jBilling claims to be "world's leading open source enterprise billing solution." It's particularly good for subscription-based billing, and notable customers include Deutsche Telecom, Constant Contact and Rackspace. In addition to the free version, paid support and services are available. Operating System: OS Independent
This web-based invoicing system is easy to use, sending electronic invoices as PDF files. You can download the code and host it on your own server or use the hosting services provided by Smarter Invoices. Operating System: OS Independent.
Another Web-based invoicing option, Siwapp allows users to create professional-looking, secure invoices with a minimum amount of hassle. Check out the screenshots and demo on the site to get a feel for how easy it is to use. Operating System: OS Independent.
Formerly known as DarkMarket, this project allows users to trade BitCoin for goods and services freely. Based on BitTorrent technology, it emphasizes privacy and requires no fees for trades. It is currently in beta trials. Operating System: Windows, Linux, OS X
B2evolution can run a standalone blog, multiple blogs or an entire website. It also includes features for setting up a community and marketing your site, and lots of information about hosting is available on the website. Operating System: OS Independent
Downloaded more than 340,000 times, Ghost is an open source blogging platform based on Node.js. You can run it on your own Web server for free or use the hosted service, with prices starting at $10 a month. Operating System: Windows, Linux, OS X.
Used by more than 60 million people and organizations, WordPress is one of the most popular blogging platforms available. Users can host their own blogs using the open source software or use the service provided at WordPress.com. Microsoft has also partnered with the organization on Scalable WordPress, a Web application that runs on Azure. Operating System: Windows, Linux, OS X, iOS, Android, BlackBerry, Windows Phone, others
Chromium is the open source project behind Google's Chrome browser. It aims to be safer, faster and more stable than other browsers. Operating System: Windows, Linux, OS X, Chrome OS, iOS, Android
Less well-known than some of the other open source browsers, Dooble was created in order to offer better privacy on the Web. It encrypts most of the information it saves, and it includes the option of automatically deleting cookies. Operating System: Windows, Linux, OS X
According to NetMarketShare, more than 13 percent of people use Firefox as their Web browser. It's made by Mozilla, which has been named the "most trusted Internet company for privacy." Operating System: Windows, Linux, OS X, Android
148. Tor Browser
Designed for privacy protection, the Tor browser cloaks the identity of users by bouncing communications of various servers around the world. It can be installed on a system or run from a thumb drive. Operating System: Windows, Linux, OS X
Boasting thousands of users, BugTracker.NET is easy to use and highly configurable. It supports Subversion, Git, and Mercurial, and the website includes a helpful demo and a link to comparisons of various bug tracking systems. Operating System: Windows
A favorite in the open source community, Bugzilla is used by Mozilla, the Linux Foundation, GNOME, KDE, Apache, LibreOffice, Open Office, Eclipse, Red Hat and Novell, among others. Key features in this bugtracker include advanced search capabilities, email notifications, scheduled reports, time tracking, excellent security and more. Operating System: Windows, Linux, OS X
FlySpray describes itself as "an uncomplicated, Web-based bug tracking system written in PHP for assisting with software development." It supports multiple databases, including MySQL and PGSQL, and it's easy to use. Operating System: OS Independent
GNATS is the Gnu project's bug tracking system. Gnatsweb provides a web interface for the command line tool, and several third-party interfaces are also available. Operating System: OS Independent
This Web-based bug tracker integrates with most SQL databases and can be accessed with any browser. It's easy to install and has an enormous list of features. Operating System: Windows, Linux, OS X
BIRT isn't a complete BI suite; instead, it focuses on technology that can be "used to create data visualizations and reports that can be embedded into rich client and web applications." It is sponsored by OpenText, Innovent Solutions and IBM. Operating System: Windows, Linux, OS X
This popular business intelligence suite is available in a Cloud Analytics version that runs on Amazon Web Services. It also comes in both free and paid versions for on-premise deployment. Operating System: OS Independent.
This Java-based reporting tool can create static or dynamic reports and charts. It can accept data from SQL, Excel, XML and other sources, and it can create PDF, XML or application-specific files. Operating System: OS Independent
KNIME offers a free, open source Analytics Platform, with several commercial extensions available; these include Personal Productivity, Partner Productivity, TeamSpace, Server, Big Data Extension and Cluster Execution. It claims to be "quick to deploy, easy to scale, intuitive to use and open to all." Operating System: Windows, Linux, OS X
OpenI strives to help enterprises go from "data to insights in 72 hours with open source." It's a reporting tool that integrates with other open source BI solutions and can be deployed to Amazon Web Services very easily. Operating System: OS Independent.
Now owned by Hitachi Data Systems, Pentaho describes itself as "a comprehensive data integration and business analytics platform." Its customers include Caterpillar, Halliburton, BR and Nasdaq. It allows organizations to integrate big data from a variety of sources, including Hadoop, NoSQL databases, analytic databases and relational databases. It then enables interactive analysis, reporting and visualizations, allowing users to create customized dashboards that suit their unique purposes.
The open source version of the Pentaho software is available on the Community website. In addition, the company offers a free thirty-day trial of its paid enterprise software, and it offers a variety of paid services like custom visualizations, training, enterprise support, consulting, certification and technical support. Operating System: Windows, Linux, OS X
SpagoBI is an open source business intelligence and big data analytics platform. The software is completely free, but paid user support, maintenance, consulting and training are available for purchase. It includes tools for reporting, multidimensional analysis (OLAP), charts, location intelligence, data mining, ETL and more. It also integrates with popular in-memory processing engines and enables real-time processing. Operating System: OS Independent
Designed for business people, developers and systems administrators, Activiti is a lightweight workflow and BPM solution. Paid enterprise support is available through Alfresco. Operating System: OS Independent
162. Bonita Open Solution
Bonita claims to be "the most powerful BPM-based application platform." It comes in community and subscription editions, and paid training and consulting are also available. Operating System: OS Independent
Award-winning ProcessMaker offers tools to help enterprises automate workflow processes as well as performing full-scale BPM. It comes in community, enterprise and cloud editions. Operating System: Windows, Linux.
Designed with architects in mind, Archimedes is a less full-featured CAD modeling tool. It is based on Eclipse's Rich Client Platform and is highly extensible. Operating System: Windows, Linux, OS X
Early development activity on this very mature project began way back in 1979, and the U.S. military has been using it to model weapons systems for more than twenty years. It includes more than 400 tools for constructive solid geometry modeling. Operating System: Windows, Linux, OS X, others
Useful for hobbyists, educators and experienced CAD professionals, FreeCAD is a general purpose 3D modeling tool. It has been around since 2001 and has a very full set of features. Operating System: Windows, Linux, OS X, others
Another alternative for creating network diagrams, GraphViz lets you use simple text or GXL (a variant of XML) to describe charts, and then it does the drawing work for you. See the Gallery for examples of the types of graphics it can create. Operating System: Windows, Linux, OS X.
For more advanced students and professional chemists, Avogrado offers an intuitive interface for creating visualizations of molecules. The website also includes some tips for educators on integrating Avogadro into the classroom. Operating System: Windows, Linux
This java-based app lets students create diagrams of atoms, molecules, macromolecules, crystals, and more. The site includes a handbook and tutorials for helping you learn how to use the software. Operating System: OS Independent.
Need help with introductory chemistry? This KDE app allows students to explore the periodic table, and it comes complete with a molecular weight calculator, an isotope table, a 3D molecule editor and an equation solver for stoichiometric problems. (Note that in order to use Kalzium on Windows, you'll have to download KDE for Windows.) Operating System: Windows, Linux
171. AXIOM Beta
Made by a company called apertus, the AXIOM Beta is the world's first open source cinema camera. Beta prototypes began shipping in August, and the company has a well-developed road map for eventually shipping a complete device based on a modular open source hardware concept. Operating System: Linux
Intelligent Teaching and Learning with Computers, aka iTALC, gives teachers the tools they need to manage a computer-based classroom without the high license fees of commercial software. Key features include remote control, demo viewing, overview mode, workstation locking and VPN access for off-site students. Operating System: Windows, Linux
AppScale allows users to run applications based on Google App Engine on any infrastructure. It is used by organizations like the World Wildlife Federation, Chico's and Google itself. Operating System: Linux.
174. Cloud Foundry
Cloud Foundry offers open source tools for building a platform as a service. Claiming to be "built by industry leaders for industry leaders," it lists IBM, Pivotal, Hewlett Packard Enterprise, VMware, Intel, SAP and EMC as its supporters. Operating System: Linux
This turnkey IaaS solution forms the basis for many public and private clouds. It has an extremely long list of users that includes Alcatel-Lucent, Apple, Autodesk, BT, CA Technologies, Citrix, Cloudera, Dell, Fujitsu, SAP and Verizon. Operating System: OS Independent
176. Dasein Cloud
A Dell project, Dasein Cloud is "an open source cloud abstraction library for Java." It allows developers to write applications once that can be translated to any cloud provider's model. Operating System: Linux.
Now managed by Hewlett Packard Enterprise (HPE), Helion Eucalyptus enables hybrid cloud computing by allowing organizations to build private clouds that are compatible with Amazon Web Services (AWS), which. Paid support is available from HPE. Operating System: Linux.
With FOSS-Cloud, users can build their own public or private cloud computing environments. It includes tools for VDI, IaaS, PaaS, SaaS and cloud storage. Operating System: Windows, Linux.
This cloud management solution is the open source project behind Red Hat CloudForms. It enables services like chargebacks, service orchestration, lifecycle management and automated workflows, as well as enabling hybrid cloud environments. Operating System: Linux, VMware
Forked from eyeOS, which became closed source after version 2.0, Oneye allows users to set up their own servers for cloud desktop functionality. There is a demo available on the website. Operating System: Linux.
OpenNebula promises "the simplest could deployment and management experience." Paid support, training, engineering and consulting are available through OpenNebula Systems. Operating System: Linux.
Downloaded more than 400,000 times, the open source version of openQRM offers free cloud computing software that is suitable for small deployments. It also comes in multiple paid enterprise editions, and the company behind the project also offers paid hardware/software bundles and a variety of related services. Operating System: Linux.
This Red Hat project aims to make it easy for enterprises to develop, host and scale cloud-based applications. Red Hat offers a public PaaS under the OpenShift name, as well as the open source software and an enterprise version for organizations that want to build a private PaaS. Operating System: Linux.
This very popular cloud computing platform claims that "hundreds of the world's largest brands" rely on it every day. Its sponsors include AT&T, Ubuntu, Hewlett Packard Enterprise, IBM, Intel, Rackspace, Red Hat, SUSE, Cisco, Dell, EMC, Symantec and many other well-known technology firms. Operating System: OS Independent
Designed to help users set up their "own cloud," this project emphasizes file syncing and sharing, as well as collaboration capabilities. A paid enterprise version is available through OwnCloud.com. Operating System: Windows, Linux.
This tool makes it easier to deploy applications to the cloud or other distributed computing environments. It supports many public cloud services, including AWS, Microsoft and Vmware, as well as most private cloud environments. Operating System: OS Independent
This cloud management platform has been highly ranked by market research firms, and it simplifies the process of managing multiple cloud environments. Its notable users include Expedia, Samsung, the NASA Jet Propulsion Laboratory, Accenture, Sony and Autodesk. Operating System: Linux
Co-financed by Greece and the European Union, Synnefo offers a complete open source cloud computing stack written in Python. It uses OpenStack APIs to simplify management, and it also relies on Google Ganeti for cluster management and Archipelago for storage management. Operating System: Linux.
Content-Addressable Multi-Layer Indexed Storage, or Camlistore for short, offers "formats, protocols, and software for modeling, storing, searching, sharing and synchronizing data in the post-PC era." Stored data can be accessed from any device. Note that it is for more technically minded users, not beginners. Operating System: Linux
An alternative to Dropbox, CloudStore synchronizes data between a system and online storage. Its features include strong encryption, password-less authentication, flexible synchronization, fast setup and auto-resumes for interrupted data transfers. Operating System: Linux
Cozy invites individuals to "store, sync, and share your data just the way you want it" by setting up their own personal cloud. It hopes to evolve into "a universal tool that can help you organize your life and make you more productive by automating routine tasks." Operating System: Linux
Designed for Amazon Web Services users, DREBS stands for "Disaster Recovery for Elastic Block Store." It runs on Amazon's EC2 services and takes snapshots of EBS volumes for disaster recovery purposes. Operating System: Linux
Duplicati works with cloud storage services like Amazon, Windows OneDrive, Google Drive and Rackspace to create encrypted backups. It does a full backup on first use and incremental backups after that. Operating System: Windows, Linux, OS X
With DuraCloud, users can backup their files to multiple cloud storage providers at once or move their files from one cloud to another at will. In addition to the open source software, it is also offered as a paid service. Operating System: Windows, Linux, OS X.
This tool also allows users to set up their own cloud storage solution. And as you might guess from the name, it transfers files via FTP. Operating System: Windows
Another option for setting up a DropBox-like service for yourself, LipSync is a very lightweight tool based on OpenSSH, rsync and lsyncd. The project was born as an idea in a blog post. Operating System: Linux
Formerly known as AjaXplorer, Pydio offers enterprise-class cloud storage designed to meet the needs of developers and system administrators. Downloaded more than a million times, it claims to be scalable, secure, highly flexible and loved by end users. A paid enterprise distribution is available. Operating System: Windows, Linux (Android and iOS clients available)
Rockstor offers several open source storage solutions, including cloud storage servers for individuals and SMBs. It also offers an open source NAS solution. Paid support is available. Operating System: Linux
SeaFile is both an open source project for setting up cloud storage with client-side encryption and a paid cloud service with the same capabilities. It's enterprise-ready and promises fast performance Operating System: Windows, Linux, OS X, Android, iOS
According to its website, Sheepdog is "a distributed object storage system for volume and container services and manages the disks and nodes intelligently." It supports snapshotting, cloning and thin provisioning, and it is compatible with OpenStack Swift and Amazon S3. Operating System: Linux
Downloaded more than 285,000 times, Skylable allows users to create their own object storage solution that is compatible with Amazon's S3 service. A paid, supported version is also available. Operating System: Windows, Linux, OS X
With SparkleShare, you create a special folder on your system that is automatically synchronized with a host folder. It's a good option for collaboration, but less than ideal for full system backups. Operating System: Windows, Linux, OS X
This tool describes itself as "the open source personal cloud for organizations." Like Dropbox, it syncs files across multiple devices, and it also includes client-side encryption for security. Operating System: Windows, Linux
Syncany can encrypt and sync files stored on any cloud storage service. It is still an alpha release, but is working. Operating System: Windows, Linux, OS X
Yet another DropBox replacement, Syncthing allows users to choose where their data is stored—on their own servers or a cloud service. It runs on any operating system and includes an easy-to-use Web GUI. Operating System: Windows, Linux, OS X
Another file synchronization tool, Unison can handle changes made to multiple copies of a file at the same time, making it a good option for distributed development teams or enterprise collaboration as well as for backup needs. It can work cross-platform and transfers files via SSH. Operating System: Windows, Linux, OS X,
Similar to Basecamp, Collabtive offers web-based project management that includes time-tracking and reporting. Download the software and host it yourself, or purchase on a SaaS basis. Operating System: OS Independent.
This groupware tool includes wikis, blogs, file repositories, event calendars, bookmark directories, discussion boards and multimedia galleries. It comes in free and commercially supported versions, and it is also available as an on-demand cloud service. Operating System: Windows, Linux, OS X.
EGroupware emphasizes flexibility, offering configurable custom fields and making it easy to integrate data from other applications. In addition to the free community edition, it also comes in a full version for on-premise deployment and a cloud version with several pricing tiers. Operating System: OS Independent.
210. Feng Office
Feng Office boasts more than 2 million users at organizations like University of California Berkeley, Airbus, NASA, Porsche Design, Xerox and the NBA. It comes in both free and paid community editions, as well as professional and enterprise editions and the Feng Sky cloud-based option. Operating System: Windows, Linux, OS X.
Group-Office combines enterprise CRM and groupware features like calendar and email. The paid professional version adds helpdesk, mobile sync, time-tracking, projects and document editing. A hosted cloud version is also available. Operating System: OS Independent.
This is an alternative email client with features like search, multi-folder sync, flagging, filing, signatures, PGP and more. It supports Exchange, IMAP and POP3 mail servers. Operating System: Android
213. Open Atrium
Open Atrium describes itself as "a team collaboration tool with a kick of open source hotness." It includes blog, calendar, sharebox, notebook, case tracker and dashboard capabilities. Operating System: OS Independent
This collaboration solution includes cloud storage, mobile document access, file syncing, messaging and other capabilities. It's available in free or paid private server versions or as a cloud-based service. Operating System: Linux.
TeamLab combines document editing, mail, CRM and project management into a single package. Download the open source version, pay for a supported enterprise version, or use the hosted cloud version. Unlike most other projects, TeamLab also offers a free cloud version for non-profits. Operating System: OS Independent.
Short for "The Ultimate Team Organization Software," includes group calendar, email, time tracking, document management and project management. In addition, it also offers special features for developers, like a bug tracker, test support and some Scrum tools . Operating System: Linux
A complete communication tool, Zarafa offers Web-based meetings and file management as well as standard calendar and email capabilities. It also offers mobile sync and secure mail. A variety of paid subscription plans are available; for the free version, click the community tab on the website. Operating System: Linux
This helpful utility can compress files 30-70 percent more than the well-known WinZip utility. It addition to its unique 7z file format, it can also pack and unpack a variety of other archive file formats. Operating System: Windows, Linux, OS X
This award-winning app can convert among a wide variety of archive file formats. The latest version can read 52 different formats and write to 20. Operating System: Windows
With this tool, users can unpack nearly three dozen different types of compressed files and create UPX, ZIP or 7Z files. It includes encryption capabilities and the ability to create self-extracting archives. Operating System: Windows
This helpful app compresses images up to 90 percent, making it easier to e-mail them or upload them to your favorite Web site. It supports most common image formats, including JPG, PNG, GIF, BMP, and WMF. Operating System: Windows
This tool offers the same functionality at 7-Zip with a slightly different interface. It was designed to speed up the compression process for certain types of jobs. Operating System: Windows
This Mac-only archiving tool can extract from 13 different compression formats and create seven. The default compression option is a port of 7-zip. Operating System: OS X
224. KGB Archiver
KGB claims to be able to compress files even more than 7-zip. It also includes built-in AES-256 encryption. Operating System: Windows
One of the most versatile compression tools available, PeaZip can open more thn 150 different types of archive file formats. It also includes security features like encryption, two-factor authentication, secure delete and much more. Operating System: Windows, Linux, OS X.
Short for "Container Advisor," cAdvisor is a Google project that monitors container performance and resource usage. It is intended for use with Docker. Operating System: Linux
Docker has quickly established itself as the dominant platform in the relatively new field of containerization. Many of the biggest names in technology, including Amazon, Microsoft, IBM, Hewlett Packard Enterprise, Red Hat, Rackspace and Canonical are building or offering products that extend or use Docker technology. Operating System: Windows, Linux, OS X
Developed by Google, Kubernetes is an open source container management solution. It is highly scalable, running billions of containers in Google's data centers, as well as containers at Viacom, Ebay and Wikimedia. Note that in order to use it you will need Docker and a Google Cloud Platform Account. Operating System: Linux, OS X.
229. Linux Containers
This group oversees three separate containerization-related projects: LXC, a set of tools for containerization; LXD, a descendant of LXC which provides a more intuitive user experience; CG Manager container group manager daemon and the LXCFS filesystem. Its stated goal is "to offer a distro- and vendor-neutral environment for the development of Linux container technologies. Operating System: Linux
While it's not nearly as well-known as Docker, OpenVZ also offers open source containerization technology. It provides the basis for a commercial product called Odin Virtuozzo. Operating System: Linux
Part of the CoreOS operating system, Rkt describes itself as "the next-generation container manager for Linux clusters." It emphasizes security and simplicity, and it ships in ArchLinux, Fedora and several other Linux distributions. Operating System: Linux, OS X.
Similar to Microsoft SharePoint, Alfresco's community edition offers enterprise content management that "helps you regain control of critical business content, strengthen compliance, optimize processes and make collaboration easy." It also comes in a paid enterprise version called Alfresco One, and a cloud-based version which makes the software available on an SaaS basis. Operating System: Windows, Linux, OS X.
First released in 2011, Armstrong is a content management system specifically designed to meet the needs of news organizations. It was developed by The Bay Citizen and the Texas Tribune. Operating System: OS Independent
While BIGACE is used by many smaller organizations, it's multi-site, multi-language, and multi-user capabilities make it a possibility for larger enterprises looking for a Web CMS. Key features include a WYSIWIG editor, templates and stylesheets, and permission management. Operating System: Windows, Linux, Unix
Bitweaver aims to make it easy for non-technical staff, like the marketing team, to add content to corporate or small business websites. It includes tools for adding articles, blogs, calendars and image galleries, and multiple add-ons are available. Operating System: OS Independent.
Previously known as DotNetNuke, this content management solution promises high ROI for less effort when building rich interactive websites. Its users include Canon, Time Warner Cable, Texas Instruments and Bank of America. Operating System: Windows
This simple-to-use wiki was designed for developer teams and other small groups. Key features include unlimited revisions, recent changes viewing, section editing, anti-spam capabilities, multiple language support and more. Operating System: OS Independent
Drupal claims that more than 98,000 developers are actively contributing to this extremely popular content management system. It counts Microsoft, Zend, Fastly and New Relic among its supporters, and it has a marketplace that features hundreds of companies which offer related products and services. Operating System: OS Independent
239. Family Connections
If you love scrapbooking, you might also love setting up a family Web site. This app makes it easy to create a private site for sharing photos, calendars, recipes and keeping in touch with family members. Operating System: OS Independent
A split from the TWiki project, FOSWiki distinguishes itself with support of embedded macros to enhance content and allow end-users to create their own applications. The Web site includes considerable support for new users, as well as a number of extensions to the basic application. Operating System: OS Independent
Launched in 2014, Fraym promises "a new experience for creating and editing websites" and includes features like multi-language support, SEO, integrated caching, themes and drag and drop editing. Operating System: Windows, Linux, OS X.
242. Get Simple
Designed for smaller websites, Get Simple's claim to fame is its extreme ease of use. It boasts excellent security, an intuitive interface, customization capabilities, integrated site backups and more. Operating System: Linux.
243. Hippo CMS
Hippo was the only Java-based open source CMS in Gartner's Magic Quadrant for 2015. For marketers, it offers the ability to measure "which content matters to their audiences and deliver optimal and personalized digital experiences based on this insight." It comes in open source and enterprise editions as well as the Hippo OnDemand platform as a service. Operating System: OS Independent.
Joomla provides the platform for millions of websites, and it has been downloaded more than 50 million times. Among its many users are companies like eBay, Barnes & Noble, MTV and Peugeot. Operating System: OS Independent
Best known as the software Wikipedia uses, MediaWiki also powers sites for Baidu, Vistaprint, Novell, Intel and NASA. It's a good option for creating editable web pages, and many organizations use it for their internal knowledgebases. Operating System: Windows, Linux/Unix, OS X
Built using the Django framework, Mezzanine offers features like an intuitive interface, scheduled publishing, WYSIWYG or in-line page editing, SEO features, ecommerce, dashboard widgets, and a blog engine. Visit the live demo on the website to see it in action. Operating System: OS Independent.
This project allows enterprises to set up self-service and knowledge-base websites where their customers can quickly find information they need. The cloud-based version is now the primary version of the software, but you can still download the open source MindTouch Core from SourceForge. Operating System: Windows, Linux.
Modular, PHP-based Okatea describes itself as "a compromise between simplicity and flexibility." It boasts a modular architecture which allows users to add features for news, contact forms, etc. Operating System: OS Independent.
This ASP.NET-based CMS is modular and highly extensible, making it easy to add blogs, photos and much more. The project has several international communities, and Microsoft staffers are involved in the project. Operating System: Windows.
Calling itself "the ultimate enterprise CMS," Plone offers integration with many other enterprise tools including Salesforce and other CRM solutions, Oracle, continuous integration tools, and many Web services. Paid support and other services are available through third-party providers. Operating System: Windows, Linux, OS X
This award-winning CMS claims to be "the industry’s first integrated open-source e-commerce & product information management platform for delivering rich and compelling e-commerce (B2C/B2B) experiences across all available channels." Paid support, training and add-ons can be purchased through the site. Operating System: Linux, Unix
This solution claims to be "the most advanced SEO CMS and ecommerce website builder." It offers hub and spoke marketing technology that allows users to manage localized websites from a centralized interface. Operating System: OS Independent
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