head to head · open source
AiSOC vs lean-ctx
AiSOC has 6,634 GitHub stars, 678 forks, 26 open issues and last shipped yesterday. lean-ctx has 3,926 stars, 360 forks, 9 open issues and last shipped yesterday. AiSOC leads on adoption by 69% (6,634 vs 3,926 stars). AiSOC is written in Python under MIT; lean-ctx is written in Rust under Apache-2.0. AiSOC has attracted 10% as many forks as stars, lean-ctx 9%. AiSOC was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (ai-security), 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
| AiSOC | lean-ctx | |
|---|---|---|
| GitHub stars | ★ 6.6K | ★ 3.9K |
| License | MIT | Apache-2.0 |
| Written in | Python | Rust |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 678 | ⑂ 360 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick AiSOC if
- You weight community size — 6.6K stars and counting
- You want the MIT license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick lean-ctx if
- You want the lean-ctx feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Rust
- You evaluated both and lean-ctx fits your workflow better
About AiSOC
AiSOC An open source, self hostable AI SOC. The agent's prompts, tool calls, and rationale are logged step by step and replayable. MIT licensed. The community maintained demo at tryaisoc.com runs on Fly.io and can go offline; see docs/operations/live demo runbook.md and use Codespaces as the always on fallback. 90 second walkthrough — agent investigates the seeded LockBit 3.0 case end to end. The rendered .mp4 + hero.gif land with the v8.0 launch; the brief is in docs/demo/SCREENCAST SHOTLIST.md . Try AiSOC in 60 seconds One command — no clone, no Docker, no keys ( npx aisoc lands on npm with the v8.0 launch…
read the full AiSOC overview →
About lean-ctx
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read the full lean-ctx overview →
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Frequently asked questions
Is AiSOC or lean-ctx more popular?
AiSOC has 6,634 GitHub stars and lean-ctx has 3,926. AiSOC has the larger community by that measure.
Are AiSOC and lean-ctx free?
Both are open source. AiSOC is licensed under MIT and lean-ctx under Apache-2.0. Neither carries a licence fee.
What is the difference between AiSOC and lean-ctx?
AiSOC is written in Python and lean-ctx in Rust. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, AiSOC or lean-ctx?
Choose AiSOC if you want the larger community (6,634 stars) or its MIT licence terms. Choose lean-ctx if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.