Open alternatives4
Open-source apps that replace Twitter / X and Threads
Mastodon is free, open-source server software for running a social network where people follow friends and share text, links, pictures and videos. It is for people or groups who want to host their own social network that can also talk to other Mastodon and ActivityPub servers.
Bluesky is a social app for posting short messages and following people, built on an open decentralized protocol. It is for anyone who wants a Twitter-style network, and the code is public so others can run forks.
Misskey is a free, open social media platform where people share short posts and follow others. It is built to be federated, so it can connect with other servers that run the same kind of software.
Friendica is a social network where you can post, follow and talk with people, including users on other federated services like Mastodon and Diaspora. It is for people who want a social network not controlled by a single company.
What's missing
What people still miss here, and wish existed. Upvote what matters to you.
Before you build
Planning something for microblogging? See what exists first, so you can reuse parts or explain what's different. Paste this into any AI assistant:
Fix the list itself
A project or closed app missing from this list, or a mistake on it? These open a short form on GitHub, and a mod reviews it. To say what a project can't do, use What's missing.
About this page
Replaces fully means it does the main job of these apps; Replaces partly means it covers some of it.
Licenses: every project here uses an open-source license (what each one means). Open core means some parts are paid or under another license.
GitHub stars are shown for reference. They measure popularity, not whether it replaces anything.
Verified means r/TrueOpenSource mods checked it: open-source license, maintained, and it really does the job.
How Open Source Everything works