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Discover top open-source software, updated regularly with real-world adoption signals.

Free federated microblogging platform for decentralized social networking
Misskey is a completely free, open-source microblogging platform that federates across the fediverse via ActivityPub, offering self‑hosted communities with customizable Docker deployments and active community support.

Community launches its own instance
Provides a private, federated space for members to discuss and share content while remaining interoperable with the fediverse.
Developer creates custom theme and plugins
Delivers a tailored UI and feature set that matches the community’s branding and functional requirements.
Academic group shares research updates
Enables cross‑platform visibility of publications and announcements across other ActivityPub services.
Small organization hosts internal announcements
Offers a secure, self‑hosted microblog for staff communication without relying on third‑party platforms.
Misskey is a free, open‑source microblogging platform that federates across the fediverse using ActivityPub.
You can self‑host Misskey via Docker or follow the installation guides available on the official website.
Yes, Misskey is free forever under the AGPL‑3.0 license.
Yes, it fully supports ActivityPub federation, allowing communication with other compatible platforms.
Support is available through the community Discord, official documentation, and GitHub issue tracker.
Project at a glance
ActiveLast synced 4 days ago