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Tuba vs Whalebird: catalog facts
Tuba	Whalebird
Free Free and open source under GPL-3.0; donations are optional.	Free Free software with no advertising, supported by GitHub Sponsors donations.
Windows, Linux, Android	Windows, macOS, Linux
Broad feature set including scheduled posts, polls and admin tools Adaptive layout for mobile Linux and desktops	Works with Mastodon, Pleroma, Friendica, Firefish, GoToSocial and Pixelfed Multiple accounts with streaming timelines
Needs an account on a fediverse server GTK interface feels most at home on GNOME	Single-column layout only; multi-column needs the separate Fedistar app Desktop only, with no mobile version
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License not stated
Account needed	Account needed
Needs internet	Needs internet
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 24, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.