Sengi - Mastodon & Pleroma Multi-account Desktop Client
Whalebird - Whalebird is a Mastodon client for desktop application.
Megalodon - A fork of official Mastodon Android app which include new additional features.
Ice Cubes for Mastodon - A SwiftUI Mastodon client for iOS.
Twidere - Tired of seeing ads and promotions in your timeline, being disrupted by tweets from bots and people...
Pinafore - An alternative web client for Mastodon, focused on speed and simplicity.