Lightspark is an LGPLv3 licensed Flash player and browser plugin written in C++/C that runs on Linux. It aims to support Adobe's newer Flash formats and AVM2 virtual machine.

Current status

Lightspark is still in alpha state, it currently implements around 50% of the Flash APIs. The latest released version in 0.8, download it from here.
Lightspark currently supports YouTube well enough for daily use. For up-to-date information regarding support of various other websites see this wiki page.

Report bugs

We really need your bug reports to help Lightspark become a mature and high quality Open Source Software.
Please see here for tips on how to report a bug.


Mailing list:, Archives and subscribe information.
IRC channel: #lightspark on Freenode


Using Flattr! Flattr this