Macromedia Flash

Adobe/Macromedia Flash/Animate is a program originally created by FutureWave Software (?-1996) and Macromedia (1996-2005), then Adobe (2005-present). It can make great stuff like animations if used with some other programs like After Effects, Photoshop and Vegas Pro. It is available as Adobe Animate now and is still used today. Aleph Diallo uses Flash/Animate, specifically Flash CS6.

Website
https://www.adobe.com/products/animate.html - Official Website for latest version

https://animatearchive.neocities.org/ - For FutureSplash through Flash CS6. For Flash CS6 (which doesn't have any serial), use this guide.

Where to upload?
If you use Windows or Mac, use Swivel by Newgrounds. It's free!

Linux users can't run Swivel in WINE, so export to image sequence or use a screen recorder on the .swf.