RHEL source code is freely available under the GPL (GNU General Public License) for those who want to compile it themselves, but the actual finished product costs money. Yes, there is CentOS, a free-to-download clone of RHEL compiled from the source code by CentOS developers. But Red Hat charges a premium for RHEL because it's (theoretically) guaranteed to work—Red Hat and third-party software vendors make sure that applications running on RHEL are not broken when the operating system is updated.
As zealous consumers know, the sleek look and user-friendly feel of Apple’s high-end gadgets are big part of their sticker price. One man is rethinking form and function with a tiny, inexpensive, bare-bones computer called the Raspberry Pi …which he hopes will bring the power of programming to even the poorest corners of the globe. Eben Upton is the creator of the miniature machine – he’s also founder of the Raspberry Pi foundation.
Overtone is an open source audio environment being created to explore musical ideas from synthesis and sampling to instrument building, live-coding and collaborative jamming. We use the SuperCollider synth server as the audio engine, with Clojure being used to develop the APIs and the application. Synthesizers, effects, analyzers and musical generators can be programmed in Clojure.
The inception of OpenPhoto was a desire to liberate our photos and take back control. Like you, our photos are the most valuable digital files we have. Also like you, we've used Flickr, Picasa and Smugmug and wound up with our photos scattered across numerous sites on the web.
jabber instant messaging, roster management and groupchats based on the
Native apps with smooth performance on iOS and Android
Scalable Game Services
Designed to scale your game services up to millions of players
Single Language Development
Write in Lua across devices and the cloud
Integrated Libraries and Services
Physics, animation, analytics, monetization and much more.
Open Source SDK
Need to do something unique? Change the source!