Friendica vs Ktistec
A side-by-side comparison of two self-hosted social networks options — licensing, setup difficulty, resource needs, and what each one replaces.
Friendica
Decentralized social network with broad federation
VS
Ktistec
Single-user ActivityPub server in Crystal
| Feature | Friendica | Ktistec |
|---|---|---|
| Deploy effort | Under-an-hour setup | Read-the-docs project |
| Health score | 84 · Excellent | 79 · Good |
| Category | Social Networks | Social Networks |
| License | AGPL-3.0 | AGPL-3.0 |
| Language | PHP | Crystal |
| Setup difficulty | Medium | Medium |
| Min. RAM | 512 MB | 256 MB |
| Deployment | docker, bare-metal, source | binary, source |
| GitHub stars | ★ 1,690 | ★ 436 |
| First released | 2010 | 2020 |
| Replaces | Facebook, Twitter | Twitter, Mastodon |
What are Friendica and Ktistec?
Friendica
Friendica is a free, open-source decentralized social network. It connects to the fediverse and other networks, offering a Facebook-style experience with groups, photos, and events.
- Federates with many networks
- Groups and forums
- Photo albums and events
- Addon system
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
Friendica vs Ktistec: key differences
Friendica is written in PHP, while Ktistec is built with Crystal. Ktistec is the lighter option, starting around 256 MB of RAM against 512 MB for Friendica. Friendica is the more established project (first released 2010), while Ktistec arrived in 2020. Friendica has the considerably larger community, at 1,690 GitHub stars versus 436. Friendica lists first-class Docker deployment; Ktistec does not.
Why pick each one
Choose Friendica if…
- Connects to multiple protocols
- Facebook-like experience
Watch out for
- Dated interface
- Smaller user base
Choose Ktistec if…
- Released under the AGPL-3.0 license
- Written in Crystal
- Tiny footprint — runs in 256 MB RAM
Frequently asked questions
Is Friendica or Ktistec better?
Neither is universally better. Friendica has the larger community; both share a medium setup difficulty, so the decision comes down to features and licensing.
Are Friendica and Ktistec free and open-source?
Yes. Friendica is licensed under AGPL-3.0 and Ktistec under AGPL-3.0. Both can be self-hosted at no software cost.
Can I run Friendica and Ktistec with Docker?
Friendica: yes. Ktistec: check the project docs for container support.
Which is lighter on resources, Friendica or Ktistec?
Ktistec has the smaller minimum footprint at 256 MB of RAM, compared to about 512 MB for Friendica. Real-world usage depends on library size, user count, and enabled features.