Official Desktop Riot!

Current release: v0.13.4

Builds are available for:

• macOS
• Windows 7 or later (32 bit)
• Windows 7 or later (64 bit)
• Debian / Ubuntu repo:
  • https://riot.im/packages/debian/
  • public key
  • package: riot-web
  • Instructions on how to configure debian for this can be found here or here.
• Build instructions for other platforms here

For more info, see the blog.