Semgrep

Name: Semgrep
Rating: 4.3 (3 reviews)

Fast, customizable static analysis for finding bugs and security issues

★ ★ ★ ★ ★

4.3 (3 reviews)

Code Review & Testing

Semgrep is a lightweight static analysis tool that scans code for security vulnerabilities, bugs, and code quality issues using powerful pattern-matching rules. It supports 30+ languages and integrates seamlessly into CI/CD pipelines, offering both open-source and commercial versions. With its simple YAML-based rule syntax, developers can write custom checks or leverage thousands of pre-built rules from the Semgrep Registry to enforce coding standards across their codebase.

Last updated: February 2026

Key Features

Pattern-based code scanning across 30+ programming languages
Custom rule creation with intuitive YAML syntax
Thousands of pre-built security and code quality rules
CI/CD integration with GitHub Actions, GitLab, and more
Fast local scanning with minimal false positives
Differential scanning to analyze only changed code

Pros

+ Extremely fast performance compared to traditional SAST tools
+ Easy-to-write custom rules without deep AST knowledge
+ Strong open-source community with extensive rule library
+ Privacy-first with local scanning and no code upload required

Cons

− Advanced features like cross-file analysis require paid plans
− Learning curve for writing complex multi-pattern rules
− Language support maturity varies across different ecosystems

User Reviews

★ ★ ★ ★ ★

4.3 from 3 reviews

Jason Ng Fullstack Freelancer

★ ★ ★ ★ ★

Excellent tool that keeps getting better. The team behind Semgrep ships updates frequently and they clearly listen to user feedback.

Sep 30, 2025 23 found this helpful

Emma Scott Engineering Director

★ ★ ★ ★ ★

I like Semgrep a lot. It integrates well with my existing setup and the AI assistance is genuinely helpful. Just wish the custom rule creation was a bit better.

Oct 01, 2025 10 found this helpful

Hannah Wright Technical Writer

★ ★ ★ ★ ★

Excellent tool that keeps getting better. The team behind Semgrep ships updates frequently and they clearly listen to user feedback.

Feb 14, 2026 8 found this helpful