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Developer(s)Alessandro Pignotti
Stable release[1] / August 26, 2022; 2 months ago (2022-08-26)
Written inC++
Operating systemLinux, FreeBSD, Windows

Lightspark is a free and open-source SWF player released under the terms of the GNU Lesser General Public License (LGPL) version 3.[1]


Lightspark supports most of ActionScript 3.0 and has an NPAPI plug-in.[2] 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 YouTube.


The Lightspark player is completely portable.[3] It has been successfully built on Ubuntu 11.04 (Natty Narwhal) on PowerPC, x86, ARM and AMD64 architectures.[4] Lightspark has a Win32 branch for Microsoft Visual Studio[5] and introduced a Mozilla-compatible plug-in for Windows in version 0.5.3. Since then, the project hasn't seen any official Windows release, but newer versions are continuously built and made available through Jenkins.[6]

See also[edit]


  1. ^ a b "Release · lightspark/Lightspark". GitHub.
  2. ^ "Lightspark flash player continues to advance". 2010-07-09. Archived from the original on 2016-03-13. Retrieved 2010-09-03.
  3. ^ "Lightspark Windows port". 2011-01-04. Retrieved 2011-02-26.
  4. ^ ""lightspark" 0.4.6-0ubuntu1 source package in The Natty Narwhal". 2011-03-15. Retrieved 2011-03-21.
  5. ^ "Email Archive: lightspark-devel". 2010-08-02. Retrieved 2010-09-03.
  6. ^ "Project Lightspark-win32". 2012-10-28.

Further reading[edit]

External links[edit]