
Ruffle
Flash Player 2021
SuperNova Player
Newgrounds Player
CheerpX for Flash
OpenSilver
Gnash
The Lightspark project
LayerStack’s Arm-based cloud virtual machines, powered by cloud-optimized CPU based on Arm architecture that deliver excellent cost-effective processing power, allowing you to easily complete the most demanding application development.

Which is more popular?
Based on our record, Lightspark seems to be more popular. It has been mentioned 9 times since March 2021.
Website, pricing, platforms and company facts side by side.
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LayerStack Arm-based Cloud Server
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What each product offers, as listed by its team.

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No analysis of Lightspark yet.
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Recommendations tracked on public social media and blogs since March 2021.

Not the first attempted Flash reimplementation[1,2,3]. The GNU one didn’t work all that well back in the day as far as I remember, but then Flash was a moving target at the time. [1]: https://www.gnu.org/software/gnash/ [2]:... - Source: Hacker News / over 3 years ago
A true emulator would be something like Ruffle or Lightspark. Ruffle I know doesn't work well with Walfas last time I checked. I don't know about Lightspark. Source: about 4 years ago
Lightspark, a browser plugin written in C++. It's a work in progress, not every flash content will work. Modern mainstream browsers don't support running it within a page, so flash content needs to be run in a standalone lightspark app,... Source: about 4 years ago
Tracking LayerStack Arm-based Cloud Server since Jun 2024.
When comparing Lightspark and LayerStack Arm-based Cloud Server, you can also consider the following products.

An open source Flash player
Compare Ruffle to Lightspark or LayerStack Arm-based Cloud Server:

Want to fix "This plugin is not supported" and "Adobe Flash Player is blocked" error messages? This extension will remove those messages and allow you to play Flash in any website with a single click.
Compare Flash Player 2021 to Lightspark or LayerStack Arm-based Cloud Server:
SuperNova Player allows systems to play .SWF files in a standalone player launched from any browser.
Compare SuperNova Player to Lightspark or LayerStack Arm-based Cloud Server:

Can play Flash files offline.
Compare Newgrounds Player to Lightspark or LayerStack Arm-based Cloud Server:

its adobe flash player in webassembly
Compare CheerpX for Flash to Lightspark or LayerStack Arm-based Cloud Server:

Open-source re-implementation of Silverlight on modern browsers using WebAssembly.
Compare OpenSilver to Lightspark or LayerStack Arm-based Cloud Server: