Semgrep is described as 'Fast, open-source, static analysis tool that excels at expressing code standards — without complicated queries — and surfacing bugs early at editor, commit, and CI time. Precise rules look like the code you’re searching; no more traversing abstract syntax trees or' and is an app in the security & privacy category. There are more than 25 alternatives to Semgrep for a variety of platforms, including Windows, Web-based, Linux, SaaS and Mac apps. The best Semgrep alternative is SonarQube, which is both free and Open Source. Other great apps like Semgrep are Codacy, Shellcheck, Cppcheck and Coverity Scan.