Open source repositories tagged with #tdd, ranked by health score.
SPEC-First Agentic Development Kit for Claude Code — 24 AI agents + 52 skills with TDD/DDD quality gates, 16-language projects, 4-language docs. Go CLI, zero deps.
☕️ Classic, reliable, trusted test framework for Node.js and the browser
Test command-line applications with Cucumber-Ruby, RSpec or Minitest.
WireMock.Net is a flexible product for stubbing and mocking web HTTP responses using advanced request matching and response templating. Based on WireMock Java, but extended and different functionality. Full documentation can be found at https://wiremock.org/dotnet/.
NUnit Framework
This repository holds the source code of Microsoft.Testing.Platform (MTP), a lightweight alternative to VSTest, as well as MSTest adapter and framework.
mocking library for Kotlin
Process discipline for AI coding agents