💯 Curated coding interview preparation materials for busy software engineers

Material UI: Ready-to-use foundational React components, free forever. It includes Material UI, which implements Google's Material Design.

Virtual whiteboard for sketching hand-drawn like diagrams

The open source Firebase alternative. Supabase gives you a dedicated Postgres database to build your web, mobile, and AI applications.

Open source API development ecosystem - https://hoppscotch.io (open-source alternative to Postman, Insomnia)

Apache ECharts is a powerful, interactive charting and data visualization library for browser

🐻 Bear necessities for state management in React

The HTML5 Creation Engine: Create beautiful digital content with the fastest, most flexible 2D WebGL renderer.

🐠 Babel is a compiler for writing next generation JavaScript.

🤖 Powerful asynchronous state management, server-state utilities and data fetching for the web. TS/JS, React Query, Solid Query, Svelte Query and Vue Query.

📋 React Hooks for form state management and validation (Web + React Native)

Next-generation ORM for Node.js & TypeScript | PostgreSQL, MySQL, MariaDB, SQL Server, SQLite, MongoDB and CockroachDB

There can be more than Notion and Miro. AFFiNE(pronounced [ə‘fain]) is a next-gen knowledge base that brings planning, sorting and creating all together. Privacy first, open-source, customizable an…

SDK for creating whiteboards and canvas experiences on the web.

Open-Source Notification Platform. Embeddable Notification Center, E-mail, Push and Slack Integrations.

🧙‍♀️ Move Fast and Break Nothing. End-to-end typesafe APIs made easy.

Platform to build admin panels, internal tools, and dashboards. Integrates with 25+ databases and any API.

Presentation Slides for Developers

A declarative, efficient, and flexible JavaScript library for building user interfaces.

A reactive programming library for JavaScript

Scheduling infrastructure for absolutely everyone.

A JavaScript library to position floating elements and create interactions for them.

Mattermost is an open source platform for secure collaboration across the entire software development lifecycle..

Build Better Websites. Create modern, resilient user experiences with web fundamentals.

Drag & drop UI to build your customized LLM flow

🇨🇭 A React renderer for Three.js

Actor-based state management & orchestration for complex app logic.

🛡️ ⚛️ A simple, scalable, and powerful architecture for building production ready React applications.

A fully featured React components library

Completely unstyled, fully accessible UI components, designed to integrate beautifully with Tailwind CSS.