If you miss older versions of Word that didn't have the "ribbon," AbiWord might be a good choice for you. It can open and save documents to and from other word processing program formats, including Word and OpenOffice.org. Operating System: Windows (95 or later), Linux, OS X, others
Very similar to OpenOffice (below), LibreOffice includes Office-compatible word processor (Writer), spreadsheet (Calc), database (Base) and presentation (Impress) software, plus, graphics (Draw) and math/science notation (Math). The latest version includes integration with popular content management systems, Firefox themes, and support for documents created in Visio or Publisher. Operating System: Windows (8, 7, Vista, XP), Linux, OS X
This Apache Foundation software includes the same set of applications as LibreOffice (above) with a very slightly different feature set. Under development for more than twenty years, it’s a very mature project that is easy to use and compatible with Microsoft file formats. Operating System: Windows (8, 7, Vista, 2003, XP), Linux, OS X
If you have a beginning typist or a budding writer at your house, WriteType is a great first word processing program. It includes student-friendly features like word completion, auto-correction, document read-back, grammar checking and more. Operating System: Windows, Linux
It's not even two years old yet, but Chamilo has already attracted more than a million users. It integrates easily with many other applications and includes adaptive assessment, social and mobile learning, skills management and other capabilities. Operating System: Windows, Linux, Unix, OS X
Used in more than 100 countries, Claroline has a large international community. It boasts an intuitive interface, flexibility, modular architecture, scalability and stability. Operating System: Windows, Linux, OS X
The ILIAS website says it is the first open source learning management system in the world to achieve SCORM 2004 (3rd Edition) compliance. It's another international favorite with an active user community and extensive documentation available. Operating System: Windows, Linux
With 65 million users, Moodle is one of the most popular open source applications of any kind. It's easy to use, flexible, customizable, scalable and secure. Operating System: Windows, Linux, OS X
The Sakai learning management solution offers the modules typically needed for teaching an online class, such as assignments, calendar, forum, chat, gradebook, tests, etc., and ePortfolio capabilities that allows students to showcase their work. The same group is also working on a related project for collaborating on research. Operating System: OS Independent.
If you have too many passwords to remember, KeePass offers a secure alternative to writing them down or using the same password multiple times. It stores unique passwords in an encrypted database that users can unlock with a single master password. You can install it on Windows Vista or later systems, or use it from a USB drive on older systems. Operating System: Windows
85. Password Safe
Designed by security expert Bruce Schneier, this award-winning app has been downloaded more than 4 million times. It offers very similar functionality as KeePass. Operating System: Windows (8, 7, Vista, XP)
With this helpful tool you can create a PDF file from almost any document. It can also do encryption, password protection and digital signatures. Operating System: Windows (2000 or later)
If you have a PDF file that you need to edit, PDFedit can do the trick. It has an easy-to-use GUI for Windows users, and it also operates from the command line. Operating System: Windows, Linux
Now nearly twenty years old, this financial management software is easy to use and can import and export to and from popular applications like Quicken and Money. Noteworthy features include duplicate detection, scheduled transactions, tagging, reminders, category splits, budgeting, dynamic reports, auto-completion and more. Operating System: Windows, Linux
This double-entry accounting package strives to provide the same features as commercially available software, and it comes very close to that goal. It's very easy to use and has an attractive interface. Operating System: Windows, Linux, OS X
Web-based Achievo includes project management, scheduling and time tracking. Paid support is available through partner organizations. Operating System: Windows, Linux, OS X.
91. Project Libre
Awarding Project Libre specifically aims to be an open source replacement for Microsoft Project. The group of developers behind the application is also working on a project portfolio management (PPM) application. Operating System: Windows, Linux, OS X
This virtual private network (VPN) solution allows secure access to an organization's network for workers who are off-site or using their own hardware. In addition to the free community version, the company behind the project also offers a paid solution and a paid VPN service. Operating System: Windows, Linux, OS X, Android, iOS
Popular with schools around the world, OpenAdmin has been downloaded more than 26,000 times. It's Web-based and can be used for a single school or to manage multiple schools within a district. Operating System: OS Independent.
This web-based school management system "focuses on excellence and evolution in the field of education" with an emphasis on supporting the latest trends. It comes in both a free, open source version and a paid, supported edition. Operating System: Windows, Linux, OS X.
This popular student information system offers separate applications for K-12 schools, higher education and trade schools, hybrid and online schools, and district management. It's available in free, paid and cloud versions. Operating System: Windows (7, Vista, XP, Server 2008, Server 2003), Linux.
This screenwriting, storyboarding, scheduling and budgeting tool claims to be the "#1 choice for pre-production." The desktop app is available under an open source license, but the mobile apps and online syncing and collaboration tools require a paid account. Operating System: Windows (7, Vista, XP, Server 2003), Linux, OS X
Great for independent professionals and small teams that bill by the hour, eHour tracks clients, projects and time spent. It's Web-based and flexible, and it comes in multiple languages. Operating System: Windows, Linux, OS X
Another option for tracking worker time, TimeTrex had modules for scheduling, attendance, job costing and payroll. In addition to the free open source version, it comes in a variety of paid on-site and cloud editions. Operating System: Windows (2000 or newer), Linux, OS X
This app combines calendar functionality with a journal and can be used as a free alternative to Evernote. Use it to document your life diary-style or to keep track of notes about upcoming events. Operating System: Windows, Linux
If you're a website editing newbie, Kompozer is an excellent option. It offers a WYSIWYG editor and Web file management, as well as an HTML editor for those who are more advanced. Operating System: Windows, Linux, OS X
Based on a lot of the same code as Firefox, SeaMonkey combines a browser, email and newsgroup client, IRC chat client and an HTML editor in a single package. It's a very mature project and available in a couple of dozen different languages. Operating System: Windows (7, Vista, XP, 2000), Linux
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