Codewich – A live-updating TypeScript/CSS/HTML playground
Create and share simple web demos using TypeScript, CSS, and HTML. Prototype new ideas quickly.
Codewich – A live-updating TypeScript/CSS/HTML playground launched on March 24, 2017 with 114 votes, #405 of 3,481 launches that month and more than 95% of that year's launches. The site was still online in September 2026, 9 years on.
In plain words
Codewich is a web-based playground for creating and sharing live demos built with TypeScript, CSS, and HTML. It allows developers and designers to prototype ideas quickly without setup overhead. The tool provides a real-time editing environment where code changes update instantly, making it suitable for experimenting with web concepts, building simple projects, or sharing interactive examples with others.
written from the facts on this page · September 2026
Does a similar job
all alternatives →


CodeSwing – A CodePen-like interactive playground, built into VS Code2020 · github.com · ▲159VS Code extension for building web applications ("swings") using a interactive and editor-integrated coding environment - lostintangent/codeswing
- IYImprove your front end skills by practicing on real design templates2021 · codewell.cc · ▲189
Find information, resources and relevant links for codewell.cc. This domain may be for sale.
CodeCafé – A real-time collaborative code editor in the browser2025 · github.com · ▲81Hey guys! I’ve been working on a web app called CodeCafé—a collaborative, browser-based code editor inspired by VS Code and Replit, but with no downloads, no sign-up, and zero setup. You just open the link and start coding—together. The frontend is built with React and TypeScript, and the backend runs on Java with Spring Boot, which handles real-time editing via WebSockets. For syncing changes, I’m using Redis along with a custom Operational Transformation system (no third-party libraries!!!). The idea came after I found out a local summer school was teaching coding using Google Docs (yes,…
More life & fun this month
the category →
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
Life & fun · 13d ago · tanzaniaeducationproject.org

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

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

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

Life & fun · 22d ago · space.bl2.net
Source: Show HN post ↗
Launched alongside, March 2017
the whole month →
Startup School▲1,010A free online program to teach you how to start a company
Life & fun · 2017 · startupschool.org

Hardbound 3.0▲739Illustrated summaries of bestselling nonfiction books
Life & fun · 2017 · apps.apple.com


