0
0 is an agent app that finds and reviews security vulnerabilities in code for developers and security teams.
What it is good for
- Finding security vulnerabilities in source code
- Checking reported security findings against the code
- Drafting and reviewing fixes for security issues
- Reverse engineering compiled binary programs
At a glance
- Who it is for
- Setup
- Guided command-line setup
Level 4 of 5. You copy and paste commands into a terminal by following the instructions. Comfortable territory for vibe coders.
- Cost
- Free and open source
- Type
- Agent app
- Tasks
Momentum
- Rank this week
- Not ranked (last #45, week 40, 2026)
- Best rank
- #45 week 40, 2026
- GitHub stars
- 588
GitHub numbers as of Nov 2, 2026. Updated weekly.
Ranking history
Official links
Setup steps are on the official pages. We do not repeat them here, since they change.
Questions
- Is 0 free?
- Yes. It is free and open source.
- Do I need to know how to code to use 0?
- You do not need to write code, but setup means copying and pasting commands into a terminal by following its instructions.
- What is 0 good for?
- Finding security vulnerabilities in source code, checking reported security findings against the code, drafting and reviewing fixes for security issues, and reverse engineering compiled binary programs.
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