Iceshrimp vs Ktistec
A side-by-side comparison of two self-hosted social networks options — licensing, setup difficulty, resource needs, and what each one replaces.
| Feature | Iceshrimp | Ktistec |
|---|---|---|
| Deploy effort | Under-an-hour setup | Read-the-docs project |
| Category | Social Networks | Social Networks |
| License | AGPL-3.0 | AGPL-3.0 |
| Language | TypeScript | Crystal |
| Setup difficulty | Medium | Medium |
| Min. RAM | 1,024 MB | 256 MB |
| Deployment | docker, bare-metal | binary, source |
| GitHub stars | ★ 300 | ★ 436 |
| First released | 2023 | 2020 |
| Replaces | Twitter, Mastodon | Twitter, Mastodon |
What are Iceshrimp and Ktistec?
Iceshrimp
Iceshrimp is a decentralized, ActivityPub-compatible microblogging server derived from Misskey with a focus on stability and reduced resource use. It offers a familiar fediverse experience with custom emoji and reactions.
- Misskey-compatible features
- Custom emoji reactions
- Lower resource usage
- ActivityPub federation
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
Iceshrimp vs Ktistec: key differences
Iceshrimp is written in TypeScript, while Ktistec is built with Crystal. Ktistec is the lighter option, starting around 256 MB of RAM against 1,024 MB for Iceshrimp. Ktistec is the more established project (first released 2020), while Iceshrimp arrived in 2023. Iceshrimp lists first-class Docker deployment; Ktistec does not.
Why pick each one
Choose Iceshrimp if…
- Released under the AGPL-3.0 license
- First-class Docker support for quick deployment
- Written in TypeScript
Choose Ktistec if…
- Released under the AGPL-3.0 license
- Written in Crystal
- Tiny footprint — runs in 256 MB RAM
Frequently asked questions
Is Iceshrimp or Ktistec 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 Iceshrimp and Ktistec free and open-source?
Yes. Iceshrimp is licensed under AGPL-3.0 and Ktistec under AGPL-3.0. Both can be self-hosted at no software cost.
Can I run Iceshrimp and Ktistec with Docker?
Iceshrimp: yes. Ktistec: check the project docs for container support.
Which is lighter on resources, Iceshrimp or Ktistec?
Ktistec has the smaller minimum footprint at 256 MB of RAM, compared to about 1,024 MB for Iceshrimp. Real-world usage depends on library size, user count, and enabled features.