head to head · open source
crlfuzz vs Artemis
crlfuzz has 1,565 GitHub stars, 146 forks, 1 open issues and last shipped 28 days ago. Artemis has 1,230 stars, 145 forks, 44 open issues and last shipped 2 days ago. crlfuzz leads on adoption by 27% (1,565 vs 1,230 stars). crlfuzz is written in Go under MIT; Artemis is written in Python under BSD-3-Clause. crlfuzz has attracted 9% as many forks as stars, Artemis 12%. Artemis was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (vulnerability-scanner), 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
| crlfuzz | Artemis | |
|---|---|---|
| GitHub stars | ★ 1.6K | ★ 1.2K |
| License | MIT | BSD-3-Clause |
| Written in | Go | Python |
| Last push | 2026-08-28 | 2026-09-23 |
| Forks | ⑂ 146 | ⑂ 145 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick crlfuzz if
- You weight community size — 1.6K stars and counting
- You want the MIT license terms
- Your stack matches Go
- You value the larger contributor base for long-term maintenance
pick Artemis if
- You want the Artemis feature set and don't need the biggest community
- You prefer the BSD-3-Clause license terms
- Your stack matches Python
- You evaluated both and Artemis fits your workflow better
About crlfuzz
CRLFuzz is a fast, MIT licensed command line tool written in Go that scans web targets for CRLF injection vulnerabilities, aimed at penetration testers, bug bounty hunters, and security engineers who need to check either a single URL or a long list of them quickly.
read the full crlfuzz overview →
About Artemis
Artemis is a modular, Python based vulnerability scanner with automatic report generation, built by CERT PL to check website security and turn findings into ready to send messages for the scanned organisations.
read the full Artemis overview →
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Frequently asked questions
Is crlfuzz or Artemis more popular?
crlfuzz has 1,565 GitHub stars and Artemis has 1,230. crlfuzz has the larger community by that measure.
Are crlfuzz and Artemis free?
Both are open source. crlfuzz is licensed under MIT and Artemis under BSD-3-Clause. Neither carries a licence fee.
What is the difference between crlfuzz and Artemis?
crlfuzz is written in Go and Artemis 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, crlfuzz or Artemis?
Choose crlfuzz if you want the larger community (1,565 stars) or its MIT licence terms. Choose Artemis if its feature set, stack or BSD-3-Clause licence fits better. Both are self-hostable.