Free
CyberChef
Open SourceEncoding & Decoding
The Cyber Swiss Army Knife: encode, decode, hash and transform data in the browser.
encoderdecoderhashbase64
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Encoding & Decoding
The Cyber Swiss Army Knife: encode, decode, hash and transform data in the browser.
Cross-Platform · Mobile Development
Google's UI toolkit for building apps for mobile, web and desktop from one codebase.
Orchestration · DevOps
The open-source system for automating container orchestration.
Frameworks · Backend
Elegant PHP framework with batteries included: Eloquent, queues, and more.
Frameworks · Frontend
Full-stack React framework with routing, SSR and static generation.
Frameworks · Backend
JavaScript runtime built on Chrome's V8 engine.
E2E & Browser · Testing
Reliable end-to-end testing for modern web apps by Microsoft.
Relational · Database
The world's most advanced open-source relational database.
Frameworks · Frontend
The library for web and native user interfaces, maintained by Meta.
Regex
The most popular regex tester and debugger with live explanation.
Editors & IDEs · Development Environment
Free, open-source code editor with a huge extension marketplace.
Passwords & IDs · Security
Generate strong, random passwords free from 1Password.
Color Tools
Adobe's color wheel, palette extraction and accessibility tools.
Frameworks · Backend
Full-featured TypeScript MVC framework for Node.js.
Practice & Challenges · Documentation & Learning
Annual series of fun programming puzzles every December.
AI Coding Assistants · AI for Developers
AI pair programming in your terminal, works with Git.
Terminals & Shells · Development Environment
GPU-accelerated, cross-platform terminal emulator focused on speed.
Migrations & ERD · Database
Database migration tool for SQLAlchemy and Python.
Frameworks · Frontend
Lightweight framework for sprinkling reactivity into your HTML.
Native · Mobile Development
Official Android developer site: docs, SDK, Jetpack and samples.
Editors & IDEs · Development Environment
Official IDE for Android app development based on IntelliJ.
Frameworks · Frontend
Google's full-featured platform for building scalable web applications.
UI Libraries · Frontend
The official Material Design component library for Angular, maintained by the Angular team.
Generators · CSS Tools
Play with ready-made CSS animations and export the code.