The best debug alternatives
4 tools that do a similar job to debug, 4 of them open source. Each entry says what it does and who it suits, so you can pick the one that fits instead of the most famous.
You're replacing
debugA tiny debugging helper for JavaScript that prints namespaced log messages, toggled by the DEBUG variable.
- 1

winston
Open source · MIT · ★ 24.5k
A Node.js logging library that sends logs to multiple places like the console or files.
Best for: Node.js developers who need structured or file-based application logs; Teams that want different log levels sent to different destinations
- 2

pino
Open source · MIT · ★ 18.3k
A fast JSON logger for Node.js that writes structured log lines.
Best for: Node.js backend developers who want structured JSON logs; Teams running web servers that log many requests per second
- 3

IceCream
Open source · MIT · ★ 10.1k
A Python debugging helper that prints variables, expressions, and code location better than print().
Best for: Python developers who add print() statements to debug code; Students learning how values change while a program runs
- 4

PySnooper
Open source · MIT · ★ 16.6k
A Python decorator that logs which lines run and how local variables change, instead of print statements.
Best for: Developers who want quick insight into a function without setting up a full debugger; People debugging code in a large existing codebase where setup is inconvenient
How we pick: tools in the same category that solve the same problem, projects that name each other as alternatives, and open-source projects that describe themselves as an alternative to debug. We don't take payment for placement.