Open Source Adobe Flash Player Alternatives

    The best open source alternative to Adobe Flash Player is Lightspark, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 10 alternatives to Adobe Flash Player and seven of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Adobe Flash Player are Ruffle (Free, Open Source), Gnash (Free, Open Source), BlueMaxima's Flashpoint (Free, Open Source) and Swfdec (Free, Open Source).

    This page was last updated Sep 30, 2021

    1. An open source Adobe Flash Player implementation, designed from the ground up to be efficient on current and (hopefully) future hardware.
      Almost everyone thinks Lightspark is a great alternative to Adobe Flash Player.
    2. Ruffle is a Flash Player emulator written in Rust. Ruffle runs natively on all modern operating systems as a standalone application, and on all modern browsers through the use of WebAssembly.
      No screenshots yet
      Ruffle vs Adobe Flash Player opinions
      Almost everyone thinks Ruffle is a great alternative to Adobe Flash Player.
      Ruffle can emulate many Flash games. Ruffle doesn't support ActionScript 3 yet, but it's a good program to keep an eye on.
      Top positive comment  about 1 year ago

      CreaZyp154 Still in developement but already works fine for a lot of games and websites.
      Top positive comment  9 months ago

      Flash player is dead and this one works even better than the old flash
      Positive comment 3 months ago

      It is Free and open source. Can be run in a GUI.
      Positive comment 5 months ago

      An open source emulator for flash that has potential to run better for flash. Still in development - but has *so much potential.*
      Positive comment 8 months ago

      LeoKids Support Games and Animations very Well Though with lot of Bugs
      Positive comment about 1 year ago


      • FreeOpen Source
      • Windows
      • Linux
      • Konqueror
      • AmigaOS
      • Opera
      • Firefox
      GNU Gnash is the GNU Flash movie player — Flash is an animation file format pioneered by Macromedia which continues to be supported by their successor company, Adobe.


      The project seems to be no longer developed. Last version, 0.8.10, released in February 2012, can be still downloaded from Git.

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      Most users think Gnash is a great alternative to Adobe Flash Player.
    3. the webgame preservation project.
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      BlueMaxima's Flashpoint vs Adobe Flash Player opinions
      Most users think BlueMaxima's Flashpoint is a great alternative to Adobe Flash Player.
      easy to install and theres alot of games archived. The future of flash!
      Positive comment 10 months ago

      • FreeOpen Source
      • Linux
      Swfdec (pronounced "swiff deck") is a decoder/renderer for Macromedia Flash animations.


      The program is no longer updated. Last version, 0.8.4, released in December 2008, can be still downloaded from the official website.

      Most users think Swfdec is a great alternative to Adobe Flash Player.

      • FreeOpen Source
      • Self-Hosted
      OpenSilver is a modern, plugin-free, open-source reimplementation of Silverlight, that runs on current browsers via WebAssembly. It uses Mono for WebAssembly and Microsoft Blazor. It brings back the power of C#, XAML, and .NET to client-side Web development.
      OpenSilver vs Adobe Flash Player opinions
      pros, cons and recent comments
      alternative to silverlight instead of flash
      Negative comment 12 months ago

      OpenSilver is an re-implementation of Microsoft Silverlight, and therefore won't be able to play Flash games or videos.
      Negative comment about 1 year ago

      It's for Silverlight apps, not Flash apps.
      Negative comment about 2 months ago

      • FreeOpen Source
      • Mac
      • Windows
      • Linux
      • Microsoft Edge
      • Firefox
      Browser extension with a one-click Flash emulator, making Flash playable in 2021 and beyond.
      No screenshots yet
    Showing 7 of 7 alternatives