Lightworks has already been available free, as a beta version, since late last year, and already more than 100,000 people have downloaded it. By making it open source, any developer will be able to build on it and include it in other products.
It currently runs on Windows XP SP2 (32 bit), Windows Vista (32 bit) and Windows 7 (32 bit and 64 bit), but promises support for Linux and OSX by late 2011, when it should also gain full 64-bit support.
EditShare bought Lightworks in 2009, and wants there to be lots of people who can edit using the software, which will help retrieve market share (in the early days Lightworks was very widely used, especially for film productions) and sell its commercial versions (capable of handling higher-end codecs, etc).
The company has other hardware and software products, and showed several introductions at NAB, including a new tapeless workflow for multi-cam TV productions. It also has shared production storage, asset management and archiving systems.
By David Fox