Succinct Compositional Program Graph (SCPG) static analysis engine & 14-diagram UML generator in Rust.
Dockerfile linter, validate inline bash, written in Haskell
A static analyzer for Java, C, C++, and Objective-C
Semgrep Community Edition rules, maintained by Semgrep and the community. Free to use under the Semgrep Rules License.
Static analyzer and linter for Clojure code that sparks joy