head to head · open source
PayloadsAllTheThings vs crlfuzz
PayloadsAllTheThings has 81,055 GitHub stars, 17,390 forks, 36 open issues and last shipped 26 days ago. crlfuzz has 1,566 stars, 146 forks, 1 open issues and last shipped 25 days ago. PayloadsAllTheThings leads on adoption by 5,076% (81,055 vs 1,566 stars). PayloadsAllTheThings is written in Python under MIT; crlfuzz is written in Go under MIT. PayloadsAllTheThings has attracted 21% as many forks as stars, crlfuzz 9%. crlfuzz 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
| PayloadsAllTheThings | crlfuzz | |
|---|---|---|
| GitHub stars | ★ 81K | ★ 1.6K |
| License | MIT | MIT |
| Written in | Python | Go |
| Last push | 2026-08-27 | 2026-08-28 |
| Forks | ⑂ 17K | ⑂ 146 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick PayloadsAllTheThings if
- You weight community size — 81K stars and counting
- You want the MIT license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick crlfuzz if
- You want the crlfuzz feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Go
- You evaluated both and crlfuzz fits your workflow better
About PayloadsAllTheThings
Payloads All The Things is an MIT licensed, community maintained collection of web application security payloads, bypass techniques and pentest methodology notes, written for penetration testers, bug bounty hunters, CTF players and red teamers who need a reference they can copy from during an engagement.
read the full PayloadsAllTheThings overview →
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 →
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Frequently asked questions
Is PayloadsAllTheThings or crlfuzz more popular?
PayloadsAllTheThings has 81,055 GitHub stars and crlfuzz has 1,566. PayloadsAllTheThings has the larger community by that measure.
Are PayloadsAllTheThings and crlfuzz free?
Both are open source. PayloadsAllTheThings is licensed under MIT and crlfuzz under MIT. Neither carries a licence fee.
What is the difference between PayloadsAllTheThings and crlfuzz?
PayloadsAllTheThings is written in Python and crlfuzz 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, PayloadsAllTheThings or crlfuzz?
Choose PayloadsAllTheThings if you want the larger community (81,055 stars) or its MIT licence terms. Choose crlfuzz if its feature set, stack or MIT licence fits better. Both are self-hostable.