Free
HandBrake
Open SourceCompression & Optimization · Image & Media
Open-source video transcoder with presets for every device.
videotranscodingcompression
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Compression & Optimization · Image & Media
Open-source video transcoder with presets for every device.
Smart Contracts · Web3 & Blockchain
The Ethereum development environment — compile, test, debug and deploy smart contracts with a rich plugin ecosystem.
UI Libraries · Frontend
Unstyled, accessible React and Vue primitives (dialogs, menus, comboboxes) from the Tailwind team.
Orchestration · DevOps
The package manager for Kubernetes applications.
Icons · Frontend
Free hand-crafted SVG icons by the Tailwind CSS team.
UI Libraries · Frontend
Beautiful Tailwind + React components (formerly NextUI).
Package Managers · Development Environment
The missing package manager for macOS and Linux.
Frameworks · Backend
Ultrafast web framework that runs on any JS runtime and edge.
Frameworks · Frontend
Access modern browser features directly from HTML, no JS build needed.
Headers & CSP · Security
Mozilla's scanner that grades a site's security headers and config.
API Mocking · API Tools
HTTP request and response service for testing clients.
Hooks & Commits · Git & Version Control
Modern Git hooks manager for JavaScript projects.
Ecosystem · CSS Tools
Free open-source Tailwind CSS components and blocks for marketing sites and e-commerce, copy-paste ready.
Internationalization · Frontend
The de-facto JavaScript i18n framework — namespaces, plurals, interpolation and plugins for every framework.
Icons · Frontend
Icon explorer that searches dozens of icon sets instantly and copies as SVG, component or data-URI.
Icons · Frontend
Unified framework for using 200,000+ icons from many icon sets.
Conversion · Image & Media
Classic CLI suite for creating, editing and converting images.
Compression & Optimization · Image & Media
Free Mac app to optimize images without quality loss.
Design Tools · Design & Prototyping
Free, open-source professional vector graphics editor.
Orchestration · DevOps
The leading service mesh for traffic, security and observability.
Terminals & Shells · Development Environment
Feature-rich macOS terminal emulator with split panes and search.
APM & Tracing · Monitoring & Observability
Open-source distributed tracing platform, CNCF graduated.
Models & LLM APIs · AI for Developers
Open-source ChatGPT alternative that runs LLMs fully offline on your machine, with an OpenAI-compatible API.
References · Documentation & Learning
The Modern JavaScript Tutorial — the deepest free JS reference from basics to advanced browser APIs.