Ruffle is written in Rust. While it is famous as a browser extension, the project also releases a .
A: For general compatibility, Ruffle is the best all-around choice. For complex ActionScript 3 content, Lightspark or the official Adobe Flash Player Projector (if security is less of a concern) offer the highest compatibility. swf player github portable
Do not download the green "Code" button (which downloads raw source code). Instead, look on the right side of the repository page for the Releases section. Ruffle is written in Rust
Check the "Releases" tab for pre-compiled binaries (like .zip or .7z archives) rather than just raw source code. swf player github portable