Are you using Mastodon on a computer? If so, you might want to try out Mastodon's "Advanced Web Interface". It has a multicolumn layout similar to TweetDeck, and is built into all Mastodon servers:
➡️ https://fedi.tips/how-to-activate-mastodons-tweetdeck-style-advanced-web-interface
This guide tells you how to activate and use it, as well as answers to lots of common questions about it.
Some people find multicolumn mode essential, while others find it overwhelming. You can use whichever interface you prefer 🙂
Edited 3d ago