7 Open-Source Security Tools Every Developer Ignores (But Shouldn't)

Most "developer security" articles start with "use HTTPS" and end with "sanitize your inputs." That advice is from 2012. You already know it. The real security gaps in 2026 aren't about what you know — they're about what you never set up because it felt like DevSecOps overhead reserved for enterprise teams with dedicated security engineers. It isn't. Every tool on this list runs in CI, takes under an hour to wire up, and catches real bugs in real codebases. Not theoretical vulnerabilities. Real