head to head · open source
open-kritt vs hol-guard
open-kritt has 2,152 GitHub stars, 370 forks, 7 open issues and last shipped 5 days ago. hol-guard has 630 stars, 76 forks, 94 open issues and last shipped today. open-kritt leads on adoption by 242% (2,152 vs 630 stars). open-kritt is written in JavaScript under AGPL-3.0; hol-guard is written in Python under Apache-2.0. open-kritt has attracted 17% as many forks as stars, hol-guard 12%. hol-guard was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (ai-agents, 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
| open-kritt | hol-guard | |
|---|---|---|
| GitHub stars | ★ 2.2K | ★ 630 |
| License | AGPL-3.0 | Apache-2.0 |
| Written in | JavaScript | Python |
| Last push | 2026-09-15 | 2026-09-20 |
| Forks | ⑂ 370 | ⑂ 76 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick open-kritt if
- You weight community size — 2.2K stars and counting
- You want the AGPL-3.0 license terms
- Your stack matches JavaScript
- You value the larger contributor base for long-term maintenance
pick hol-guard if
- You want the hol-guard 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 hol-guard fits your workflow better
About open-kritt
open kritt is an open source, self hosted AI vulnerability research tool written in JavaScript and licensed under AGPL 3.0. It lives in the AI security and vulnerability research ecosystem, using language models to inspect code for security issues. The project orchestrates AI agents instead of asking one model to review an entire repository in a single pass.
read the full open-kritt overview →
About hol-guard
HOL Guard is an open source, local first antivirus for AI agents that reviews shell commands, file access, package installs, and MCP tool calls before they run, built for developers and platform security teams running coding agents such as Claude Code, Codex, Cursor, and Gemini CLI.
read the full hol-guard overview →
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Frequently asked questions
Is open-kritt or hol-guard more popular?
open-kritt has 2,152 GitHub stars and hol-guard has 630. open-kritt has the larger community by that measure.
Are open-kritt and hol-guard free?
Both are open source. open-kritt is licensed under AGPL-3.0 and hol-guard under Apache-2.0. Neither carries a licence fee.
What is the difference between open-kritt and hol-guard?
open-kritt is written in JavaScript and hol-guard 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, open-kritt or hol-guard?
Choose open-kritt if you want the larger community (2,152 stars) or its AGPL-3.0 licence terms. Choose hol-guard if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.