head to head · open source
iFixAi vs beelzebub
iFixAi has 43,018 GitHub stars, 1,780 forks, 2 open issues and last shipped yesterday. beelzebub has 2,227 stars, 220 forks, 5 open issues and last shipped 6 days ago. iFixAi leads on adoption by 1,832% (43,018 vs 2,227 stars). iFixAi is written in Python under Apache-2.0; beelzebub is written in Go under GPL-3.0. iFixAi has attracted 4% as many forks as stars, beelzebub 10%. 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.
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Side by side
| iFixAi | beelzebub | |
|---|---|---|
| GitHub stars | ★ 43K | ★ 2.2K |
| License | Apache-2.0 | GPL-3.0 |
| Written in | Python | Go |
| Last push | 2026-11-02 | 2026-10-28 |
| Forks | ⑂ 1.8K | ⑂ 220 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick iFixAi if
- You weight community size — 43K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick beelzebub if
- You want the beelzebub feature set and don't need the biggest community
- You prefer the GPL-3.0 license terms
- Your stack matches Go
- You evaluated both and beelzebub fits your workflow better
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 →
About beelzebub
Beelzebub Open source deception framework. Deploy realistic decoys. Observe attacker behavior. Turn interactions into security evidence. Explore Beelzebub Platform · Documentation · Quick start Beelzebub gives security teams a configurable way to study activity directed at decoy services. Define the environment an attacker encounters, choose how it responds, and capture the interaction for investigation. Run the framework independently or connect it to Beelzebub Platform. Why Beelzebub Deploy decoys that fit your environment. Define services, routes, and response rules in YAML. Use static handlers for…
read the full beelzebub overview →
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Frequently asked questions
Is iFixAi or beelzebub more popular?
iFixAi has 43,018 GitHub stars and beelzebub has 2,227. iFixAi has the larger community by that measure.
Are iFixAi and beelzebub free?
Both are open source. iFixAi is licensed under Apache-2.0 and beelzebub under GPL-3.0. Neither carries a licence fee.
What is the difference between iFixAi and beelzebub?
iFixAi is written in Python and beelzebub 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, iFixAi or beelzebub?
Choose iFixAi if you want the larger community (43,018 stars) or its Apache-2.0 licence terms. Choose beelzebub if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.