Jison Debugger – A visual editor for JavaScript parsers and lexers

In plain words

Jison Debugger is a visual editor designed for developing and testing JavaScript parsers and lexers. It provides an interactive interface where developers can write and debug parser rules and lexical analyzer configurations. The tool helps developers understand how their grammar definitions work and identify issues in real-time through visual feedback. It is intended for programmers working on language parsing projects or building custom programming language interpreters.

written from the facts on this page · September 2026

From the sources

You are using an outdated browser. Please upgrade your browser to improve yourfrom nolanlawson.github.io

• 
  Letting LLMs Run a Debugger2025 · github.com · ▲147

  Hey HN, I just built an experimental VSCode extension called LLM Debugger. It’s a proof-of-concept that lets a large language model take charge of debugging. Instead of only looking at the static code, the LLM also gets to see the live runtime state—actual variable values, function calls, branch decisions, and more. The idea is to give it enough context to help diagnose issues faster and even generate synthetic data from running programs. Here’s what it does: * Active Debugging: It integrates with Node.js debug sessions to gather runtime info (like variable states and stack traces). *…

• 
  JSONverify2021 · jsonverify.com · ▲92

  A web tool that validates and format JSON objects

• JA
  Jibber – a seamless way to debug JSON on iOS2015 · rebel.tools · ▲14
• 
  JSON Web Token (JWT) Debugger by Rownd2023 · jwt.is · ▲97

  Next-generation JWT debugger (with ChatGPT)

• 
  JSON Crack2022 · jsoncrack.com · ▲70

  Simple visualization tool for your JSON data.

• IM
  I made a tool which fixes broken JSONs2024 · prakhar897.github.io · ▲29

• 
  SimCity, but with Permits▲898

  A free city-building game in your browser. You are the mayor. You know what the city needs. Now get it past the zoning board, the neighbors, the appeals court and the next election.

  Life & fun · 1d ago · permit.petercai.com

• IV
  I've been paying for a rural Tanzanian's education for 10 years▲778

  Life & fun · 13d ago · tanzaniaeducationproject.org

• 
  Bigwords.page – Turn any screen into a sign. The URL is the app▲728

  Turn a phone, tablet or TV into a sign. Type a message and it fills the screen: welcome signs, timers, Wi-Fi passwords and more. No app, no account, free.

  Life & fun · 14d ago · bigwords.page

• 
  Guitoro, a virtual guitar you strum with your keyboard▲573

  Play a free virtual guitar online with your keyboard or by touch. Slow songs down and see every chord, string and strum. Acoustic, classic, electric and bass.

  Life & fun · 8d ago · guitoro.com

• 
  See *almost* any carriers phone settings▲432

  Carrier settings from iPhone, Pixel and Galaxy firmware, decoded and compared: APNs, VoLTE, 5G and Wi-Fi Calling per carrier, and what each build changed.

  Life & fun · 12d ago · carrierexplode.com

• 
  The whole Solar System and every tracked satellite, live in the browser▲407

  Life & fun · 22d ago · space.bl2.net

• 
  Hunter▲1,703

  Find any company logo by domain with Hunter’s free logo API. No account, no API key. The simplest Clearbit Logo API replacement, switch in 30 seconds.

  Growth · 2015 · hunter.io

• 
  CheatSheet▲982

  View Mac keyboard shortcuts in the current application

  Work · 2015 · mediaatelier.com

• 
  Helium▲794

  A floating browser window for your Mac

  Work · 2015

• 
  A tool that transforms your whole list with just one example▲764

  saas that helps convert

  Life & fun · 2015 · transformy.io

• AR
  A random startup generator▲607

  Life & fun · 2015 · tiffzhang.com

• 
  Operator▲546

  Looking for something? Make a request and we'll find it.

  AI · 2015 · operator.com