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DevHints
Open SourceCheatsheets · Documentation & Learning
Rico's cheatsheets: concise cheatsheets for dozens of tools and languages.
cheatsheetreference
Browse the complete directory — use filters to narrow down.
Cheatsheets · Documentation & Learning
Rico's cheatsheets: concise cheatsheets for dozens of tools and languages.
Offline Toolkits · Developer Utilities
The developer swiss-army knife for Windows and macOS — JSON formatting, base64, JWT, regex and 30+ tools, fully offline.
Illustrations & Assets · Design & Prototyping
Avatar generator with 30+ styles — deterministic avatars from any seed via library, API or playground.
Markdown · PDF & Documents
Online Markdown editor with live preview and cloud sync.
Frameworks · Backend
Batteries-included Python web framework with admin and ORM.
Documentation Generators · PDF & Documents
React-based static site generator optimized for documentation.
Self-Hosted PaaS · Cloud Platforms
Mini-Heroku powered by Docker: push-to-deploy on your own server.
ORMs · Backend
Lightweight, SQL-like TypeScript ORM with zero dependencies.
Relational · Database
Fast in-process analytical (OLAP) SQL database, like SQLite for analytics.
Desktop Apps · Frontend
The framework behind VS Code and Slack for cross-platform desktop apps.
UI Libraries · Frontend
The classic Element UI rebuilt for Vue 3 — battle-tested desktop-first enterprise components.
Programming Languages
Official Elixir language website built on the Erlang VM.
Editors & IDEs · Development Environment
Extensible, customizable GNU editor and computing environment.
Build & Lint · Frontend
Extremely fast JavaScript/TypeScript bundler and minifier in Go.
Build & Lint · Frontend
The pluggable linting utility for JavaScript and TypeScript.
Firmware · IoT & Embedded
Build custom firmware for ESP boards from simple YAML — sensors, automations and Home Assistant integration.
Web3 Libraries · Web3 & Blockchain
The classic complete Ethereum library — wallet, providers, contracts and utilities for JS and TypeScript.
Whiteboards & Diagrams · Design & Prototyping
Hand-drawn style virtual whiteboard, ideal for quick diagrams.
Practice & Challenges · Documentation & Learning
Free coding practice and mentoring in 70+ languages.
Screenshots · Image & Media
Read, write and edit image, audio and video metadata.
SQL Tools
Modern PostgreSQL EXPLAIN plan visualizer by Dalibo.
Frameworks · Backend
Minimal and flexible Node.js web application framework.
CLI Tools · Development Environment
Modern, maintained replacement for ls with icons and Git status.
Mocks & Fakes · Testing
Generate massive amounts of realistic fake data for tests.