head to head · open source
giskard-oss vs CyberStrike
giskard-oss has 5,830 GitHub stars, 537 forks, 64 open issues and last shipped 2 days ago. CyberStrike has 2,819 stars, 434 forks, 43 open issues and last shipped yesterday. giskard-oss leads on adoption by 107% (5,830 vs 2,819 stars). giskard-oss is written in Python under Apache-2.0; CyberStrike is written in TypeScript under AGPL-3.0. giskard-oss has attracted 9% as many forks as stars, CyberStrike 15%. CyberStrike 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
| giskard-oss | CyberStrike | |
|---|---|---|
| GitHub stars | ★ 5.8K | ★ 2.8K |
| License | Apache-2.0 | AGPL-3.0 |
| Written in | Python | TypeScript |
| Last push | 2026-09-18 | 2026-09-19 |
| Forks | ⑂ 537 | ⑂ 434 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick giskard-oss if
- You weight community size — 5.8K 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 CyberStrike if
- You want the CyberStrike feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches TypeScript
- You evaluated both and CyberStrike fits your workflow better
About giskard-oss
Giskard OSS is an open source Python library for evaluating, red teaming and testing LLM agents and RAG pipelines, built for developers, ML engineers and AI security teams that need reproducible checks on non deterministic systems.
read the full giskard-oss overview →
About CyberStrike
CyberStrike is open source TypeScript project. It is AI powered offensive security harness. It lives in AI & Machine Learning / AI Security & Privacy ecosystem. It targets automated penetration testing. It solves problem of turning general AI model into red team agent. It uses terminal TUI. It connects Claude, GPT, or any LLM subscription. It handles reconnaissance, vulnerability discovery, exploitation, and reporting autonomously. It has 13+ specialized agents, 7,600+ security skills, and 120+ OWASP test cases. It supports 150+ AI providers, 5,300+ models, 56+ built in tools, and 176+ MCP tools. It has 2746 star…
read the full CyberStrike overview →
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Frequently asked questions
Is giskard-oss or CyberStrike more popular?
giskard-oss has 5,830 GitHub stars and CyberStrike has 2,819. giskard-oss has the larger community by that measure.
Are giskard-oss and CyberStrike free?
Both are open source. giskard-oss is licensed under Apache-2.0 and CyberStrike under AGPL-3.0. Neither carries a licence fee.
What is the difference between giskard-oss and CyberStrike?
giskard-oss is written in Python and CyberStrike in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, giskard-oss or CyberStrike?
Choose giskard-oss if you want the larger community (5,830 stars) or its Apache-2.0 licence terms. Choose CyberStrike if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.