Tuba is an application with many features, including post editing, polls, profile editing, multiple accounts, markdown & HTML syntax highlighting, Bookwyrm support, Funkwhale support, Peertube support, quote posts, and admin tools. It also has a focus picker, audio visualizer, blurhashes, a built-in media viewer, gestures, animations, custom emojis, filters, content warnings, search filtering, reports, follow requests, mute & block management, lists, explore, a spellchecker, user/hashtag/emoji auto-completion, notifications, instance announcements, emoji reactions, draft posts, scheduled posts, and #FediWrapped.

The application is ready to use with features for posting, notifications, profiles, search, hashtags, threads, direct messages, and multiple accounts. Tuba is designed with privacy in mind, with no ads, tracking, or out-of-instance requests. It is also adaptive, and works on mobile devices, laptops, and desktop computers. Finally, Tuba is free and open source and is licensed under GPL-3.0. Tuba is a fork of Tootle.