Aggregated set of useful tools that every developer and tester may need once in a while.
Best Tools For Open Source
Browse 74 + Open Source Tools


It is a penetration testing tool that focuses on the web browser.

Web Application Security Scanner Framework

Web vulnerability scanner written in Python3

Convert curl commands to Python, JavaScript, PHP and much more...

Curated lists of tools, tips and resources for protecting digital security and privacy

🎨 Regex visualizer & editor

PIT is a state of the art mutation testing system, providing gold standard test coverage for Java and the jvm.
Visualize your JSON into interactive graphs.
Generate realistic test data with simple yet powerful syntax.

Mock API calls seamlessly

Run mock server based off an API contract with one command

All the Fake Data for All Your Real Needs
It's a cross-platform Node.js desktop automation framework.
A blazing fast unit-test framework powered by Vite ⚡️

A note-taking chrome extension: taking notes on the web with their context.

🧪 Run common networking tests against your site.
Record, Replay, and Stub HTTP Interactions.

🌐 Load test with real browsers! Powered by Artillery + Playwright
Display and control your Android device.

Session replay for delightful products

Automatically mock your HTTP interactions to simplify and speed up testing

A pytest plugin that allows recording network interactions via VCR.py

A Unix/Linux CLI tool that open files related to your Git workflow on VS Code.

Visual way to generate tests

Static code analyzer for Infrastructure as Code
Kubernetes-native framework for test definition and execution