Top TESTING GitHub Repositories & Tools (2026)

Official master for the Greenmail project

ScanT3r - Module based Bug Bounty Automation Tool ( use Lotus instead github.com/bugBlocker/lotus )

MaverickMCP - Personal Stock Analysis MCP Server

The open source visual testing platform for teams and AI agents. Review the product, not just the code.

KASLD defeats Linux kernel KASLR from a local process — recovering the virtual and physical memory layout where a leak or side channel allows, and narrowing it to the smallest set of placements the evidence supports otherwise.

PHPUnit extensions and rules for PHPStan

Turns the documentation you already write into tests that run. A failing test means your product and your docs disagree, and names the section.

Port of a popular ruby faker gem written in kotlin. Generate realistically looking fake data such as names, addresses, banking details, and many more, that can be used for testing and data anonymization purposes.

The JavaScript testing framework powered by Rspack

Feature Flag Management and A/B Testing platform

Performance analytics, portfolio backtesting, risk analysis, and factsheet reporting in Python

VIVIDUS is all in one test automation tool

Java test automation framework for web, mobile, API, CLI, database, and desktop E2E testing with a fluent API and built-in reporting.

Blazing fast toolkit for developing Starknet contracts.

A mocking library based on the Compiler APIs (Roslyn + Mocks)

ApprovalTest verification library for Java

Open source agentic SAST. The engine behind hundreds of disclosed zero-days. 100+ AI security agents, any repo or PR diff, bring your own model.

The Open Source Test Automation Platform.

Windows-based AI-powered Reverse Engineering Toolkit "AIO", Built for Security (Malware analysis, Pentesting) & Educational purposes.

Reconmap is a collaboration-first security operations platform for infosec teams and MSSPs, enabling end‑to‑end engagement management, from reconnaissance through execution and reporting. With built-in command automation, output parsing, and AI‑assisted summaries, it delivers faster, more structured, and high‑quality security assessments.