Relay

Material-UI

React component library implementing Material Design, free and MIT-licensed at its core, with paid per-developer tiers for advanced components.

shadcn UI

Accessible, customizable React component collection built on Radix UI and Tailwind CSS, distributed as copy-paste source code, free.

GitHub Copilot

AI development assistant for GitHub: inline autocomplete, code chat, review, agent mode, and CLI. June 2026: moved to usage-based billing (credits); inline suggestions free on all plans.

Recharts

Free, open-source React charting library with composable SVG components for line, bar, and area charts.

Ant Design

Free, open source React component library for enterprise applications, with theme customization and companion tools for mobile and data visualization.

Chakra UI

Chakra UI is a free, open-source React component library with accessible pre-built components, design tokens and built-in dark mode.

Formik

Library for building and validating React forms.

Mantine

Full-featured React component library with 100+ components and native dark mode.

Radix Primitives

Unstyled, accessible UI components for building React design systems.

styled-components

CSS-in-JS library for styling React components with dynamic CSS.

PagerDuty

On-call incident management with escalation policies, a free tier for up to 5 users, and a newer usage-capped Reliability Platform.

TanStack Router

Modern, type-safe and scalable routing for React by the TanStack team.

zcal

Free Calendly alternative — appointment booking with elegant pages.

Namecheap

Namecheap is a domain registrar with bundled hosting, SSL and email options, known for low first-year domain prices that rise at renewal.

Superwhisper

Superwhisper is AI voice dictation that works offline in any app on Mac, Windows, iOS and Android.

Tabnine

AI coding assistant offering intelligent code completion, AI chat for dev workflows, and agents for task execution, adapted to organization's architecture and standards.

VoiceTypr

Offline-first voice-to-text app for Mac and Windows enabling voice dictation in any app (Cursor, ChatGPT, Claude, Slack, Gmail, docs) using local AI models.

Windsurf

Agentic AI code editor — the Cursor alternative with Cascade AI.

React

React is a free, open-source JavaScript library for building component-based user interfaces, now governed by the independent React Foundation.

React Hook Form

Performant React form management with built-in validation.