Ktistec vs Mitra
A side-by-side comparison of two self-hosted social networks options — licensing, setup difficulty, resource needs, and what each one replaces.
Mitra
Federated microblogging server with crypto integration
| Feature | Ktistec | Mitra |
|---|---|---|
| Deploy effort | Read-the-docs project | Under-an-hour setup |
| Category | Social Networks | Social Networks |
| License | AGPL-3.0 | AGPL-3.0 |
| Language | Crystal | Rust |
| Setup difficulty | Medium | Medium |
| Min. RAM | 256 MB | 512 MB |
| Deployment | binary, source | docker, bare-metal |
| GitHub stars | ★ 436 | ★ 200 |
| First released | 2020 | 2021 |
| Replaces | Twitter, Mastodon | Twitter, Mastodon |
What are Ktistec and Mitra?
Ktistec
Ktistec is a single-user ActivityPub server written in Crystal, designed to be easy to deploy and maintain. It provides a personal fediverse presence with a simple, self-contained runtime.
- Single-user design
- Self-contained runtime
- SQLite storage
- ActivityPub federation
Mitra
Mitra is a lightweight, federated microblogging server written in Rust that implements ActivityPub. It is designed for small instances and includes optional integration with cryptocurrency-based features.
- Lightweight Rust server
- ActivityPub federation
- Small-instance focus
- Low resource usage
Ktistec vs Mitra: key differences
Ktistec is written in Crystal, while Mitra is built with Rust. Ktistec is the lighter option, starting around 256 MB of RAM against 512 MB for Mitra. Ktistec has the considerably larger community, at 436 GitHub stars versus 200. Mitra lists first-class Docker deployment; Ktistec does not.
Why pick each one
Choose Ktistec if…
- Released under the AGPL-3.0 license
- Written in Crystal
- Tiny footprint — runs in 256 MB RAM
Choose Mitra if…
- Released under the AGPL-3.0 license
- First-class Docker support for quick deployment
- Written in Rust
- Lightweight — runs in 512 MB RAM
Frequently asked questions
Is Ktistec or Mitra better?
Neither is universally better. Ktistec has the larger community; both share a medium setup difficulty, so the decision comes down to features and licensing.
Are Ktistec and Mitra free and open-source?
Yes. Ktistec is licensed under AGPL-3.0 and Mitra under AGPL-3.0. Both can be self-hosted at no software cost.
Can I run Ktistec and Mitra with Docker?
Ktistec: check the project docs for container support. Mitra: yes.
Which is lighter on resources, Ktistec or Mitra?
Ktistec has the smaller minimum footprint at 256 MB of RAM, compared to about 512 MB for Mitra. Real-world usage depends on library size, user count, and enabled features.