60 New Open Source Apps You've (Probably) Never Heard Of: Page 2

Database

15. VoltDB VoltDB describes itself as "the NewSQL database for high velocity applications." It was recently named one of Gartner's Cool Vendors for 2011. In addition to the free community version, it also comes in several commercially supported versions. Operating System: Windows, Linux, OS X

16. Cassandra

This Facebook-created NoSQL database isn't unknown, but it is new, having finally been released in version 1.0 in October 2011. The 1.0 version offers faster performance, easier use and superb scalability. Operating System: OS Independent

Riak isn't exactly a RBDMS, but it isn't exactly NoSQL either. It is a "highly scalable, fault-tolerant distributed database" that's designed for virtualized and cloud environments. In addition to the open source version, it also comes in a subscription-based enterprise version. Operating System: Linux, OS X

Database Administration Tools

18. MonoQL

Similar to phpMyAdmin, MonoQL offers an Ajax-based Web application for managing SQL databases, including MySQL and Microsoft SQL. Capabilities include database and table design, data browsing, data editing and advanced queries. Operating System: OS Independent

Development Tools

19. Cloud9 IDE

Launched in 2010, the Cloud9 IDE offers an online alternative to Eclipse for JavaScript development. It also supports HTML/CSS, Coffeescript, Ruby, PHP and other programming languages. The source code is available, and Cloud9 offers the IDE on a development-as-a-service basis, with a free subscription available for open source developers. Operating System: OS Independent

20. Dart

First unveiled in October of 2011, Dart is Google's new programming language designed as an alternative to JavaScript. Currently, the company is seeking feedback on the language, which is still in the very early stages of development. Operating System: OS Independent

21. Kurogo

A fork of the MIT Mobile Framework, Kurogo is a new mobile development platform with a focus on "clean integration, exceptional user experience and deep customization." It comes in two versions: one for mobile Web apps and one for iOS. Operating System: OS Independent

22. Wakanda

According to its website, Wakanda is "an open source platform for building business Web applications with nothing but JavaScript." It's still in preview status, but is already getting kudos from end users for its ability to speed up and simplify the business application development process. Operating System: Windows, Linux, OS X

23. NuGet

This extension for Microsoft's Visual Studio makes it easy to install and update open source libraries for the .NET platform. And the NuGet Gallery makies it easy to find those open source libraries. Operating System: Windows

24. FLOW3

Very recently released in version 1.0, FLOW3 is a PHP development framework from the creators of the TYPO3 content management system. It's designed to support the principles of Agile development, Domain Driven Design, Extreme Programming and Test-Driven Development. Operating System: Windows, Linux

25. Nette Framework Nette Framework promises developers "you will write less, have cleaner code and your work will bring you joy." It's a PHP-based framework for writing Web applications, and it supports AJAX, SEO, DRY, KISS, MVC and code reusability. Operating System: Windows, Linux

26. Gestalt

Gestalt offers a developers a way to write Ruby and Python scripts in in (X)HTML pages. It's SEO-friendly and lets you use some advanced HTML5 technologies on your Web apps. Operating System: OS Independent

27. Amdatu

Still in the very early stages of development, Amdatu offers a "rapid application development platform and runtime for open, service oriented and cloud-aware Web applications." It leverages several Apache Foundation tools and is built on Java. Operating System: OS Independent

E-Commerce

28. Spree

Spree calls itself "the world's most flexible e-commerce system." You can download the source code and host your own online store or use it in the cloud on a SaaS version powered by Rackspace. Operating System: OS Independent