Hardhat is a development environment to compile, deploy, test, and debug your Ethereum software.

A desktop app for inspecting your React JS and React Native projects. macOS, Linux, and Windows.

Chrome DevTools for coding agents

CMake Tools provides a robust, convenient workflow for CMake projects in VS Code. It simplifies configurations with CMake presets, supports IntelliSense and built-in debugging for CMake scripts, and offers configurable tasks. Its customizable interface allows for efficient project control, while also simplifying test execution and monitoring.

A Kubernetes web UI that is fully-featured, user-friendly and extensible

Tamper Dev is an extension that allows you to intercept and edit HTTP/HTTPS requests and responses as they happen without the need of a proxy. Works across all operating systems (including Chrome OS).

Angular Debugging and Visualization Tools

Simple way to run or debug one or more tests from context menu, codelens or command plalette

Universal JavaScript library for reporting errors to Honeybadger.io ⚡

Debug your apps, find hydration errors, trace your network and more in your react-router app with these devtools

Find the Root Cause in Your Code's Trace

Enable any LLM (e.g. Claude) to interactively debug any language for you via MCP and a VS Code Extension

JSON logger for Node.js and browser.

Performance-aware simple logger for React-Native and Expo with namespaces, custom levels and custom transports (colored console, file writing, etc.)

Node JS framework for working with Everscale and Venom contracts. Inspired by Truffle and Hardhat. Helps you build, test, run and maintain your smart contracts.

Sentry for Development

Truffle for VSCode simplifies how you create, build, debug and deploy smart contracts on Ethereum and EVM-compatible blockchains

Dokdo. Easy Discord bot debuging tool.

VSCode extension that demonstrates the use of large language models (LLMs) for active debugging of programs

A debugging library for RxJS