head to head · open source
open-code-review vs agentsys
open-code-review has 49,287 GitHub stars, 3,614 forks, 160 open issues and last shipped yesterday. agentsys has 1,011 stars, 118 forks, 0 open issues and last shipped yesterday. open-code-review leads on adoption by 4,775% (49,287 vs 1,011 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 | ★ 49K | ★ 1.0K |
| License | Apache-2.0 | MIT |
| Written in | Go | JavaScript |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 3.6K | ⑂ 118 |
| 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 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
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 agentsys
AgentSys A modular runtime and orchestration system for AI agents. 24 plugins · 49 agents · 44 skills (across all repos) · 30k lines of lib code · 3,518 tests · 5 platforms Plugins distributed as standalone repos under agent sh org agentsys is the marketplace & installer ⚡ Running this agent 24/7? tiyuvta inference — hosted LLM inference built for always on agents, OpenAI/Anthropic compatible APIs. Commands · Installation · Website · Discussions Built for Claude Code · Codex CLI · OpenCode · Cursor · Kiro New skills, agents, and integrations ship constantly. Follow for real time updates: AI models can write…
read the full agentsys overview →
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Frequently asked questions
Is open-code-review or agentsys more popular?
open-code-review has 49,287 GitHub stars and agentsys has 1,011. 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 (49,287 stars) or its Apache-2.0 licence terms. Choose agentsys if its feature set, stack or MIT licence fits better. Both are self-hostable.