Decaffeinate converts CoffeeScript projects to modern JS
Goodbye CoffeeScript, hello JavaScript! Contribute to decaffeinate/decaffeinate development by creating an account on GitHub.
Decaffeinate converts CoffeeScript projects to modern JS launched on June 19, 2017 with 361 votes, #45 of 3,107 launches that month and more than 99% of that year's launches. The site was still online in September 2026, 9 years on.
In plain words
Decaffeinate is a tool that automatically converts CoffeeScript code to modern JavaScript. It helps developers migrate existing CoffeeScript projects to JavaScript without manual rewriting. The tool is designed for teams maintaining legacy CoffeeScript codebases who want to transition to JavaScript while preserving functionality.
written from the facts on this page · September 2026
Does a similar job
all alternatives →
Caffeine – Minimum viable back end for prototyping2021 · github.com · ▲206A basic REST service for JSON data - enough for prototyping and MVPs! - rehacktive/caffeine
- WBWeb-based CoffeeScript REPL/console2012 · larryng.github.com · ▲36
Fast.js – faster reimplementations of native JavaScript functions2014 · github.com · ▲323Faster user-land reimplementations for several common builtin native JavaScript functions. - codemix/fast.js
Joy – a Go to JavaScript compiler2017 · mat.tm · ▲201Matt Mueller's personal website for sharing what I've learned about programming, design, entrepreneurship and life.
- JPJavaScript Program Synthesis2021 · grgv.xyz · ▲139
Swap.js – a JavaScript micro-framework (HTML fragments over the wire)2023 · github.com · ▲127Hi HN! I created this lib in the need of a simple and tiny framework to easily do AJAX-style navigation / replacement of fragments in the page, in a web application. For people who don't want to use client-side-rendering and complex frameworks à la React, there are nowadays a few "HTML-over-the-wire" libraries, like HTMX, Unpoly or this super-tiny one Swap.js :) One other key thing is that no external tool is needed: no bundler, no webpack, no TypeScript compiler, no minification needed. Just write HTML, JS (+ your preferred server-side language: PHP, Python, etc.) and it works. The…
More dev tools this month
the category →

open-source IDE for thoughtful software design. Contribute to devdotfast/whiteboard development by creating an account on GitHub.
Dev tools · 27d ago · github.com

Contribute to reladraw/reladraw development by creating an account on GitHub.
Dev tools · 25d ago · github.com
OpenBot▲362Grok Bot alternative: free, local, open-source, multiplayer
Dev tools · 23d ago · openbot.run
Talanoa▲346Hi HN, I’m a fullstack developer, and honestly, I’ve lost count of how many side projects I’ve worked on over the years. But one idea kept coming back to me: a different kind of email client. It first came to me in 2014: “What if we could handle emails more like conversations?” Every year, I’d revisit this concept in my “Build Notes.” Ten years later, no one had built exactly what I had in mind — so I finally decided to do it myself. That’s how Talanoa was born. I wanted something focused on people, not timelines. I was tired of marking messages as unread just to remember to reply later, or…
Dev tools · 20d ago · talanoa.email
CoreSpeed▲332One MCP for everything your agents need: apps, memory, tools
Dev tools · 28d ago · corespeed.io
Source: Show HN post ↗
Launched alongside, June 2017
the whole month →- GP
Work · 2017 · demandrush.com

Monica helps you remember the people you care about: what is happening in their life, important dates, previous conversations, and when to get back in touch. Private, open source, self-hostable.
Dev tools · 2017 · monicahq.com




The growth guide by DemandCurve.com and Julian Shapiro
Growth · 2017 · julian.com