head to head · open source
open-code-review vs agentsys
open-code-review has 34,427 GitHub stars, 2,452 forks, 160 open issues and last shipped yesterday. agentsys has 986 stars, 115 forks, 0 open issues and last shipped 5 days ago. open-code-review leads on adoption by 3,392% (34,427 vs 986 stars). open-code-review is written in Go under Apache-2.0; agentsys is written in JavaScript under MIT. open-code-review has attracted 7% as many forks as stars, agentsys 12%. open-code-review was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (agent, 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.
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Side by side
| open-code-review | agentsys | |
|---|---|---|
| GitHub stars | ★ 34K | ★ 986 |
| License | Apache-2.0 | MIT |
| Written in | Go | JavaScript |
| Last push | 2026-09-17 | 2026-09-13 |
| Forks | ⑂ 2.5K | ⑂ 115 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick open-code-review if
- You weight community size — 34K 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 agentsys if
- You want the agentsys feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches JavaScript
- You evaluated both and agentsys fits your workflow better
About open-code-review
Open Code Review is an Apache 2.0, Go based AI code review CLI that reads Git diffs, sends changed files to a configurable LLM through a tool using agent, and returns line level review comments, built for developers and platform teams that want large scale review automated inside infrastructure they control.
read the full open-code-review overview →
About agentsys
AgentSys is a modular runtime and orchestration system for AI agents — a marketplace and installer that ties together 24 plugins, 49 agents, and 44 skills into gated development pipelines — built for developers and teams working in Claude Code, Codex CLI, OpenCode, Cursor, or Kiro who want the work around code generation automated, not only the code generation itself.
read the full agentsys overview →
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Frequently asked questions
Is open-code-review or agentsys more popular?
open-code-review has 34,427 GitHub stars and agentsys has 986. open-code-review has the larger community by that measure.
Are open-code-review and agentsys free?
Both are open source. open-code-review is licensed under Apache-2.0 and agentsys under MIT. Neither carries a licence fee.
What is the difference between open-code-review and agentsys?
open-code-review is written in Go and agentsys in JavaScript. 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 agentsys?
Choose open-code-review if you want the larger community (34,427 stars) or its Apache-2.0 licence terms. Choose agentsys if its feature set, stack or MIT licence fits better. Both are self-hostable.