head to head · open source
giskard-oss vs ADR
giskard-oss has 5,830 GitHub stars, 537 forks, 64 open issues and last shipped 2 days ago. ADR has 1,575 stars, 148 forks, 6 open issues and last shipped yesterday. giskard-oss leads on adoption by 270% (5,830 vs 1,575 stars). giskard-oss is written in Python under Apache-2.0; ADR is written in Python under Apache-2.0. giskard-oss has attracted 9% as many forks as stars, ADR 9%. ADR was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (ai-security, llm-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.
← all 20902 open source comparisons
Side by side
| giskard-oss | ADR | |
|---|---|---|
| GitHub stars | ★ 5.8K | ★ 1.6K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Python | Python |
| Last push | 2026-09-18 | 2026-09-19 |
| Forks | ⑂ 537 | ⑂ 148 |
| 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 ADR if
- You want the ADR 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 ADR 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 ADR
ADR is an open source enterprise security system for AI agents. It is built in Python under the Apache 2.0 license and lives in the AI security and privacy ecosystem. It targets employee facing coding agents such as Cursor, Claude Code, Codex, GitHub Copilot CLI, and DeepSeek Harness, and customer facing agents such as AI support agents.
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 giskard-oss or ADR more popular?
giskard-oss has 5,830 GitHub stars and ADR has 1,575. giskard-oss has the larger community by that measure.
Are giskard-oss and ADR free?
Both are open source. giskard-oss is licensed under Apache-2.0 and ADR under Apache-2.0. Neither carries a licence fee.
What is the difference between giskard-oss and ADR?
giskard-oss is written in Python and ADR 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, giskard-oss or ADR?
Choose giskard-oss if you want the larger community (5,830 stars) or its Apache-2.0 licence terms. Choose ADR if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.