Forem
Forums & CommunityOpen source community platform behind DEV
Replaces Discourse, Reddit
Best API Forums & Community for self-hosting
The 7 best API forums & community you can self-host, ranked by community traction.
Answer
Forums & CommunityModern Q&A platform for building knowledge communities
Replaces Stack Overflow, Confluence
giscus
Forums & CommunityCommenting system powered by GitHub Discussions
Replaces Disqus
Utterances
Forums & CommunityComments widget powered by GitHub issues
Replaces Disqus
Scoold
Forums & CommunitySelf-hosted Q&A platform and Stack Overflow alternative
Replaces Stack Overflow
PieFed
Forums & CommunityFederated discussion and link aggregation platform
Replaces Reddit
Discuit
Forums & CommunityOpen-source community discussion platform
Replaces Reddit
No apps match these filters.
At a glance
| App | Deploy effort | Difficulty | Min. RAM | License | ★ Stars |
|---|---|---|---|---|---|
| Forem | Under-an-hour setup | Hard | 2,048 MB | AGPL-3.0 | 22,796 |
| Answer | ≈5-minute setup | Easy | 512 MB | Apache-2.0 | 15,692 |
| giscus | Read-the-docs project | Easy | 64 MB | MIT | 12,154 |
| Utterances | Read-the-docs project | Easy | 32 MB | MIT | 9,695 |
| Scoold | Under-an-hour setup | Medium | 1,024 MB | Apache-2.0 | 921 |
| PieFed | Under-an-hour setup | Medium | 1,024 MB | AGPL-3.0 | 600 |
| Discuit | Under-an-hour setup | Medium | 512 MB | AGPL-3.0 | 552 |
Quick picks
- Most adopted: Forem (22,796 GitHub stars).
- Lightest footprint: Utterances (from 32 MB RAM, against 2,048 MB for the heaviest here).
- Fastest to deploy: Answer (verified single-container compose).
- Licensing: 3 of 7 use AGPL-3.0; check the rest individually if you plan to modify and redistribute.
Every option here is open-source and self-hostable, tagged API within the forums & community category. Deploy effort is graded from published container recipes, not vendor claims — see the methodology.