Running your own social network really means running a fediverse server, and the decision is less about software than about role: the moment your instance has users besides you, you are a moderator with legal exposure and an inbox, not just a sysadmin. The sane first move is a single-user instance, where you get a handle on your own domain, full data ownership, and federation with everyone, minus the community-management job.

Pick your format first. Microblogging in the Twitter mold is Mastodon (50,252 stars) or Misskey (11,305 stars); Mastodon is the conservative, widely supported choice with the biggest third-party app ecosystem, while Misskey adds custom emoji reactions and a heavily customizable interface at the cost of complex configuration. Community link-sharing in the Reddit mold is Lemmy (14,567 stars), where federated communities aggregate links and threaded, voted discussion.

Then price the operations. Mastodon is a Ruby stack rated Hard with a 2 GB minimum, and real instances want more once media caching kicks in; storage growth is the recurring surprise. Misskey matches that 2 GB Hard profile. Lemmy's Rust backend runs in 512 MB with a Medium rating, making it the lightest true network server here.

Finally, decide about other people. Open registration means moderation queues, defederation politics, and being on call for a community. Diaspora (13,654 stars, running since 2010) proves how long federated pods can endure, but every multi-user platform carries the same admin weight. Nothing obliges you to take it on: single-user and invite-only instances federate just as well.

A chunk of this category, Invidious, Nitter, and Piped, does a different job: privacy front-ends that proxy YouTube or X without ads, tracking, or accounts. They are worth hosting, but they depend on scraping platforms that actively resist them; Invidious breaks whenever YouTube changes something, and Nitter's public instances have a history of dying en masse. Treat them as convenience proxies with a maintenance tax, not as places where your community lives.

Where to start

Mastodon if you want the mainstream fediverse experience and every mobile app to work with your server. Lemmy if your people organize around topics and links rather than personalities, or if 512 MB is what you have. Misskey if you find Mastodon sterile and will trade admin effort for personality.

Default for a first-timer: a single-user Mastodon instance. It is the heaviest of the three to set up, but it is the software the whole ecosystem tests against, and yourname@yourdomain is the payoff self-hosting promised.

Curated picks

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Social Networks comparisons

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