Lightspark is a free and open-source SWF player released under the terms of the GNU Lesser General Public License (LGPL) version 3.
License: Open Source
Lightspark is an open-source alternative to Adobe Flash Player, emphasizing modern web technologies and mobile compatibility, while Adobe Flash Player is a legacy tool with offline capabilities but no longer supported. The key differences lie in Lightspark's focus on security and modernity versus Flash Player's legacy support and established user base.