Fedilab is described as 'Multifunctional Android client to access the distributed Fediverse, consisting of microblogging, photo sharing and video hosting' and is a Mastodon Client in the social & communications category. There are more than 50 alternatives to Fedilab for a variety of platforms, including Android, iPhone, iPad, Mac and F-Droid apps. The best Fedilab alternative is Pixelix, which is both free and Open Source. Other great apps like Fedilab are Tusky, Moshidon, Solcial and PixelDroid.
AndStatus is an Open Source low traffic social networking client with tree-like threaded conversations. It supports different Social networks, including GNU social (StatusNet, e.g. Quitter.se, LoadAverage, etc.), and Pump.io (previously also Twitter).
Pachli is a full-featured Android client for Mastodon, with a cooperative development model. Fork of Tusky
Mastotron is a different interface to Mastodon, replacing the mindless "feed" of most social media with a network map of conversations and recent and popular posts.
11t is an app for connecting to Mastodon, a new social network. As Mastodon is a network, growing rapidly, with people setting up their own servers, 11t lets you connect to the Mastodon server of your choice.
Mammoth is a beautiful Mastodon client built especially for iOS. It’s simple enough to pick up and use immediately, and powerful enough to tweak it just the way you want. Mammoth’s delightful interface is coupled with extensive features that elevate your Mastodon experience.
A free, open-source iOS client for Mastodon, Glitch, GotoSocial, Firefish, Akkoma, and other Mastodon-API-compatible Fediverse instance servers.
Appearance setting. Saving drafts. Regular expression matching for all timeline. Streaming.
Dhaaga is a third-party app with a focus on browsing, general SNS features and chat based use cases.
Germany
EU
United States
India
Japan
Very lightweight and configurable. Supports lots of networks.