Lightspark [SEP] license
Lightspark
Lightspark is a free and open-source SWF player released under the terms of the GNU Lesser General Public License (LGPL) version 3.
Features.
Lightspark supports most of ActionScript 3.0 and has a Mozilla-compatible plug-in. It will fall back on Gnash, a free SWF player on ActionScript 1.0 and 2.0 (AVM1) code.
Lightspark supports OpenGL-based rendering and LLVM-based ActionScript execution and uses OpenGL shaders (GLSL). The player is compatible with H.264 Flash videos on
the GNU General Public License (GPL). Despite being a declared high-priority GNU project, funding for Gnash was fairly limited. Another player is the LGPL-licensed Swfdec. Lightspark is a continuation of Gnash supporting more recent SWF versions.
Adobe has incorporated SWF playback and authoring in other product and technologies of theirs, including in Adobe Shockwave, which renders more complex documents. SWF can also be embedded in PDF files; these are viewable with Adobe Reader 9 or later. InDesign CS6 can also produce some limited