Use Playwright to interact with and test local web applications, capture screenshots, debug UI behavior, and inspect browser logs.

Go implementation of the Ethereum protocol

🦔 PostHog is an all-in-one developer platform for building successful products. We offer product analytics, web analytics, session replay, error tracking, feature flags, experimentation, surveys, data warehouse, a CDP, and an AI product assistant to help debug your code, ship features faster, and keep all your usage and customer data in one stack.

The open source AI engineering platform for agents, LLMs, and ML models. MLflow enables teams of all sizes to debug, evaluate, monitor, and optimize production-quality AI applications while controlling costs and managing access to models and data.

Debug, evaluate, and monitor your LLM applications, RAG systems, and agentic workflows with comprehensive tracing, automated evaluations, and production-ready dashboards.

Continuous Profiling Platform. Debug performance issues down to a single line of code

Foundry is a blazing fast, portable and modular toolkit for Ethereum application development written in Rust.

Mastering Ethereum: 2nd Edition, by Andreas M. Antonopoulos, Gavin Wood, Carlo Parisi, Alessandro Mazza, Niccolò Pozzolini

DevOps Guide - Development to Production all configurations with basic notes to debug efficiently.

Complete Ethereum library and wallet implementation in JavaScript.

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

Introduce technologies on blockchain and distributed ledger, from theory to practice with bitcoin, ethereum and hyperledger.