Rails-based Q&A community software that powers codidact.com, supporting multiple communities, categories and post types in one install.
44371RubyAGPL-3.0Updated 23 hours ago
1 alternative
Best open-source alternatives to Stack Overflow (2026)
Looking for a free, open-source alternative to Stack Overflow? These 1 projects can replace it. Each one passed our quality screening and is explained in plain words, so you can compare stars, license and maintenance at a glance.
Quick comparison
| Project | Stars | License | Last commit |
|---|---|---|---|
| codidact/qpixel | ★ 443 | AGPL-3.0 | 23 hours ago |
FAQ
- Is there a free, open-source alternative to Stack Overflow?
- Yes. The most popular open-source alternatives to Stack Overflow on Repolode are qpixel.
- Which Stack Overflow alternative should I choose?
- qpixel has the most GitHub stars and is released under AGPL-3.0. Compare the license and last commit of each option in the table above before choosing.
How this list is made: AI reads each project's documentation to match it with products it can replace, every project passes our quality screening, and the list is ranked by GitHub stars. Stars updated Nov 6, 2026. How Repolode works