Free
Sass
Open SourceEcosystem · CSS Tools
The mature CSS extension language with variables and nesting.
csspreprocessorscss
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Ecosystem · CSS Tools
The mature CSS extension language with variables and nesting.
Package Managers · Development Environment
Command-line installer for Windows focused on developer tools.
Penetration Testing · Security
Open-source penetration testing tool that automates SQL injection detection and exploitation.
Terminals & Shells · Development Environment
Fast, customizable shell prompt written in Rust, works with any shell.
Ecosystem · CSS Tools
The linter that keeps your CSS clean and consistent.
Compression & Optimization · Image & Media
Node.js tool and library for optimizing SVG vector files.
Build & Lint · Frontend
Rust-based TypeScript/JavaScript compiler used by Next.js and friends.
Cheatsheets · Documentation & Learning
Community-maintained, practical examples for every CLI command.
Terminals & Shells · Development Environment
Terminal multiplexer for persistent sessions, panes and windows.
Dependency Security · Security
All-in-one open-source vulnerability and misconfiguration scanner.
Build & Lint · Frontend
High-performance build system and cache for JavaScript monorepos.
Package Managers · Development Environment
Extremely fast Python package and project manager from Astral.
Editors & IDEs · Development Environment
The classic modal text editor, available everywhere.
CSV · Data Formats
Terminal spreadsheet for exploring CSV, JSON, Excel and more.
Models & LLM APIs · AI for Developers
High-throughput, memory-efficient LLM inference and serving engine.
Models & LLM APIs · AI for Developers
OpenAI's open-source speech recognition model.
Package Managers · Development Environment
Microsoft's official Windows package manager built into the OS.
API Mocking · API Tools
Flexible API mocking and service virtualization for HTTP.
Package Managers · Development Environment
JavaScript package manager with Plug'n'Play installs and workspaces.
CLI Tools · Development Environment
Blazing-fast terminal file manager written in Rust — async IO, image previews and plugin system.
CLI Tools · Development Environment
Portable command-line YAML, JSON, XML and CSV processor.
Terminals & Shells · Development Environment
Beginner-friendly terminal multiplexer with layouts and floating panes.