Free
Fontsource
Open SourceTypography & Fonts · Design & Prototyping
Self-host open-source fonts as npm packages — versioned, offline-friendly and dependency-pinned.
fontsnpmself-hostedperformance
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Typography & Fonts · Design & Prototyping
Self-host open-source fonts as npm packages — versioned, offline-friendly and dependency-pinned.
Hosting & Collaboration · Git & Version Control
Community-driven, self-hosted software forge (powers Codeberg).
Internationalization · Frontend
Internationalization toolkit built on ICU MessageFormat — react-intl and friends for dates, numbers and plurals.
Smart Contracts · Web3 & Blockchain
Blazing-fast Ethereum toolkit in Rust — forge tests in Solidity, anvil local chain and cast for contract calls.
Courses & Tutorials · Documentation & Learning
Non-profit curriculum with free courses and certifications.
Frameworks · Backend
The most popular HTTP web framework for Go.
Cheatsheets & Learning · Git & Version Control
Find the right Git commands without searching through man pages.
Hooks & Commits · Git & Version Control
Git Large File Storage for versioning large assets efficiently.
Hosting & Collaboration · Git & Version Control
Lightweight, self-hosted Git service written in Go.
CLI Tools · Development Environment
Official GitHub command-line tool for PRs, issues and repos (gh).
Clients & GUIs · Git & Version Control
Official free GitHub GUI client for Windows and macOS.
Hosting & Collaboration · Git & Version Control
Dynamic GitHub profile cards — stats, top languages and streaks rendered as embeddable SVGs.
Secret Scanning · Security
Detect and prevent hardcoded secrets in Git repositories.
Programming Languages
Type-safe language on the Erlang VM with a friendly compiler.
Mobile UI Libraries · Mobile Development
Copy-paste React and React Native components — universal, themeable and built on a styled system.
Programming Languages
Official Go language website with docs, packages and playground.
Game Engines · Game Development
Free, open-source, community-driven game engine with GDScript and a lightweight, hackable editor.
Typography & Fonts · Design & Prototyping
The free web font library — 1,800+ open-source families with variable fonts and easy embed.
AI Coding Assistants · AI for Developers
Block's open-source extensible AI coding agent for the terminal.
ORMs · Backend
The fantastic ORM library for Go.
API Protocols · Backend
Query language and runtime for APIs, with a rich ecosystem.
Learning & Reference · CSS Tools
Learn CSS Grid by watering carrots in an interactive game.
API Protocols · Backend
High-performance, open-source RPC framework over HTTP/2 with protobuf.
Animation · Frontend
Robust JavaScript animation library, now free for everyone.