Best Open Source testing tools in 2024

Siege

Performance Testing

HTTP load tester and benchmarking utility

Free

Apache Bench

Performance Testing

Apache HTTP server benchmarking tool.

Free

L

Lynis

Security Testing

Security auditing and hardening tool, for UNIX-based systems.

Free

ShellCheck

DevTools

finds bugs in your shell scripts.

Free

Password Tech

DevTools

Password generator and password manager for Windows with full Unicode support.

Free

Dual Monitor Tools

DevTools

Tools for Windows users with dual or multiple monitor setups.

Free

Memray

Memory

Python CLI memory profiler

Free

F

Flaker

Performance Testing

A flaky network simulator for your mobile app

Free

TestPages

Learn Software Testing

Practice Pages For Automating and Testing

Free

AnyWayData

Test Data Generation

Data Grid Table Editor and Data Generator

Free

Diagrams

Visual Modeling

🎨 Diagram as Code for prototyping cloud system architectures

Free

P

Payloads All The Things

Security Testing

A list of useful payloads and bypasses for Web Application Security

Free

scrcpy

Automated Checking

Display and control your Android device.

Free

Mariana Trench

Security Testing

Mariana Trench is a security focused static analysis platform targeting Android.

Free

snapstub

API Testing

Snapshot-based stub/mocking of APIs.

Free

P

Pytest Recording

Screen Capture

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

Free

M

MutPy

Automated Checking

A mutation testing tool for Python 3.3+ source code

Free

Unlighthouse

Performance Testing

Scan your entire site with Google Lighthouse in 2 minutes (on average).

Free

nutjs

Desktop Automation

It's a cross-platform Node.js desktop automation framework.

Free

Insomnium

API Testing

Privacy-focused and 100% local API testing tool.

Free

GQL

Automated Checking

SQL like language to perform queries on .git files.

Free

OpenAPI DevTools

API Testing

Chrome extension that generates API specs for any app or website

Free

AutoHotkey

Automated Checking

The ultimate automation scripting language for Windows.

Free

PactumJS

API Testing

A REST API testing tool to automate e2e, integration, contract, and component (or service-level) tests.

Free

SubiRegex

DevTools

Using AI to generate RegEx using plain English.

Free

F

Fetchbook

API Testing

CLI tool to run and test your HTTP requests. Git friendly, 100% local.

Free

Maestro

Automated Checking

An easy-to-use automation testing framework for mobile apps.

Free

VidCutter

DevTools

A modern yet simple multi-platform video cutter and joiner.

Free

c

codespelunker

DevTools

A command line search tool.

Free

Rivet

Automated Checking

Inspect, debug, modify, and manipulate the state of Ethereum.

Free

RecipeUI

API Testing

Open source Postman alternative with type safety built in.

Free

MiniSim

Automated Checking

MacOS app for launching iOS and and Android emulators.

Free

Burp Suite Logger++

Security Testing

Advanced Logging for Burp Suite.

Free

P

Postman Security Test Generator

Security Testing

Execute role based security tests on APIs

Free

248 + Open Source tools and resources