head to head · open source
shannon vs iFixAi
shannon has 50,964 GitHub stars, 5,926 forks, 18 open issues and last shipped 7 days ago. iFixAi has 43,018 stars, 1,780 forks, 2 open issues and last shipped yesterday. shannon leads on adoption by 18% (50,964 vs 43,018 stars). shannon is written in TypeScript under AGPL-3.0; iFixAi is written in Python under Apache-2.0. shannon has attracted 12% as many forks as stars, iFixAi 4%. iFixAi was the more recently maintained of the two, and both are self-hostable with no licence fee.
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
| shannon | iFixAi | |
|---|---|---|
| GitHub stars | ★ 51K | ★ 43K |
| License | AGPL-3.0 | Apache-2.0 |
| Written in | TypeScript | Python |
| Last push | 2026-10-27 | 2026-11-02 |
| Forks | ⑂ 5.9K | ⑂ 1.8K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick shannon if
- You weight community size — 51K stars and counting
- You want the AGPL-3.0 license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick iFixAi if
- You want the iFixAi feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Python
- You evaluated both and iFixAi fits your workflow better
About shannon
[!NOTE] Shannon 3.0 is live: deeper security code analysis, more thoroughly vetted findings, a rebuilt CLI, native CI/CD, professional PDF reports, and SARIF. Shannon is an autonomous, AI pentester for web applications and APIs. It analyzes your source code, identifies attack paths, and executes real exploits to prove vulnerabilities before they reach production. No exploit, no report. This repository is Shannon Open Source: the full agent, run locally from your command line. Launch Shannon The interactive launcher will guide you through setup and your first pentest. [!TIP] AI agents and LLMs: start with…
read the full shannon overview →
About iFixAi
iFixAi English · 简体中文 · 日本語 · 한국어 Independent Auditing of AI Agents Catch your agent's mistakes and blind spots before the shit hits the fan. Quick start • Three ways to run • Test your agent • Scoring • Docs • Contributing One ifixai run , end to end: guided setup picks the system, judge, and suite; the run verifies the connection and saves your config; 32 inspections execute across five pillars; and the result lands as an A–F grade with a scored core pillar scorecard. What it is The existing Eval, Red teaming, and Observability Tools are evaluating the agent mainly based on tech capability (token efficiency…
read the full iFixAi overview →
More in AI & Machine Learning
Related comparisons
More AI Security & Privacy projects
Compare either of these against the rest of the AI Security & Privacy field.
Frequently asked questions
Is shannon or iFixAi more popular?
shannon has 50,964 GitHub stars and iFixAi has 43,018. shannon has the larger community by that measure.
Are shannon and iFixAi free?
Both are open source. shannon is licensed under AGPL-3.0 and iFixAi under Apache-2.0. Neither carries a licence fee.
What is the difference between shannon and iFixAi?
shannon is written in TypeScript and iFixAi in Python. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, shannon or iFixAi?
Choose shannon if you want the larger community (50,964 stars) or its AGPL-3.0 licence terms. Choose iFixAi if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.