We’ve put together a collection of 8 comprehensive cheat sheets covering the most essential programming languages, tools, and technologies. Each one is searchable, mobile-friendly, and features copy-to-clipboard for every command.
Whether you’re a beginner learning your first language or a senior developer who needs a quick refresher on that one obscure awk command, these references have you covered.
Variables, strings, lists, dicts, classes, file I/O, error handling, and standard library.
ES6+, arrays, objects, promises, async/await, DOM manipulation, and Fetch API.
SELECT, JOINs, aggregation, CTEs, window functions, indexes, and PostgreSQL features.
Selectors, Flexbox, Grid, typography, animations, responsive design, and modern CSS.
Basics, branching, merging, stashing, rebasing, and advanced Git workflows.
Containers, images, volumes, networks, Docker Compose, and debugging.
Files, permissions, processes, networking, systemd, packages, and bash tricks.
Patterns, quantifiers, lookaheads, common recipes, and JS/Python usage examples.
700+ commands in a printable, offline-friendly format. Perfect for your desk or tablet.
Get the Bundle — $4.99 →There are plenty of cheat sheets online, but ours are designed with developers in mind:
Bookmark the ones you use most. Each cheat sheet is a standalone page you can keep open as a reference tab. The search function is keyboard-accessible — just start typing.
Pro tip: Use your browser’s “Add to Home Screen” on mobile to turn any cheat sheet into an app-like reference.
We’re continuously adding more references. Coming soon:
Check our tools page for the full collection of 60+ developer tools, or follow our blog for updates.