head to head · open source
open-code-review vs flock
open-code-review has 49,287 GitHub stars, 3,614 forks, 160 open issues and last shipped yesterday. flock has 501 stars, 6 forks, 2 open issues and last shipped 8 days ago. open-code-review leads on adoption by 9,738% (49,287 vs 501 stars). open-code-review is written in Go under Apache-2.0; flock is written in Go under MIT. open-code-review has attracted 7% as many forks as stars, flock 1%. open-code-review was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (code-review), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
← all 20902 open source comparisons
Side by side
| open-code-review | flock | |
|---|---|---|
| GitHub stars | ★ 49K | ★ 501 |
| License | Apache-2.0 | MIT |
| Written in | Go | Go |
| Last push | 2026-11-02 | 2026-10-26 |
| Forks | ⑂ 3.6K | ⑂ 6 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick open-code-review if
- You weight community size — 49K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Go
- You value the larger contributor base for long-term maintenance
pick flock if
- You want the flock feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Go
- You evaluated both and flock fits your workflow better
About open-code-review
OpenCodeReview English 简体中文 日本語 한국어 Русский What is Open Code Review? Open Code Review is an AI powered code review CLI tool. It originated as Alibaba Group's internal official AI code review assistant — over the past two years, it has served tens of thousands of developers and identified millions of code defects. After thorough validation at massive scale, we incubated it into an open source project for the community. Simply configure a model endpoint to get started. It reads Git diffs, sends changed files to a configurable LLM via an agent with tool use capabilities, and generates structured review comments…
read the full open-code-review overview →
About flock
English · Русский · 中文 · Español · Deutsch · Français · Português (BR) · 日本語 Flock Run a Claude Code AI dev team on your server and drive it from chat. Describe a feature in Telegram, VK or LO; the team plans it, builds it on a branch, tests it, reviews it, and opens a PR — each chat in its own isolated workspace. It runs on your Claude Pro/Max subscription (no per token billing) or an Anthropic API key, ships as prebuilt Docker images (no build step), and keeps every chat in its own sandboxed workspace. Quick start (Docker) That pulls the prebuilt image ghcr.io/duckbugio/flock telegram — no build, no Ansible —…
read the full flock overview →
More in Developer Tools
Related comparisons
More Version Control & Collaboration projects
Compare either of these against the rest of the Version Control & Collaboration field.
Frequently asked questions
Is open-code-review or flock more popular?
open-code-review has 49,287 GitHub stars and flock has 501. open-code-review has the larger community by that measure.
Are open-code-review and flock free?
Both are open source. open-code-review is licensed under Apache-2.0 and flock under MIT. Neither carries a licence fee.
What is the difference between open-code-review and flock?
open-code-review is written in Go and flock in Go. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, open-code-review or flock?
Choose open-code-review if you want the larger community (49,287 stars) or its Apache-2.0 licence terms. Choose flock if its feature set, stack or MIT licence fits better. Both are self-hostable.