Developer ToolsFumadocs
The beautiful, headless docs framework for Next.js, React Router, TanStack Start and Waku
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Developer Tools
Developer ToolsUploadThing
Type-safe file uploads for Next.js, React and the rest of the TypeScript world
Developer ToolsReact Flow
Highly customizable React library for node-based UIs and workflow builders.
Developer ToolsReflex
Build full-stack web apps in pure Python — no JavaScript required, deploy with one command.
Developer ToolsNuxt
The full-stack Vue meta-framework — file-based routing, auto-imports and hybrid SSR, all configured out of the box.
Developer ToolsGrowthBook
Open-source feature flags, A/B testing and warehouse-native experimentation, with a free unlimited self-host.
Developer ToolsHatchet
Open-source orchestration engine for background tasks, AI agents, and durable workflows
Developer ToolsCypress
JavaScript E2E testing with time-travel and Test Replay
Developer ToolsdaisyUI
The most popular free and open-source Tailwind CSS component library — 63 components, 35 themes and 34 KB of CSS, no JavaScript.
Developer ToolsCrawlee
The reliable web scraping and browser automation library for Node.js and Python — with proxy rotation, fingerprinting and autoscaling baked in.
Developer ToolsClickHouse
The world's fastest open-source columnar OLAP database — billions of rows per second on commodity hardware.
Developer ToolsNango
Open-source platform for AI-built product integrations across 700+ APIs.
Developer ToolsLapce
Lightning-fast, Rust-built code editor with GPU-accelerated UI, native LSP, Vim-like modal editing and built-in remote development.
Developer ToolsElysia
Bun-first TypeScript web framework with end-to-end type safety, 21x faster than Express and a chainable API humans actually enjoy.
Developer ToolsHyperDX
Open-source, dev-friendly observability platform unifying session replays, logs, traces, metrics and errors — built on ClickHouse and OpenTelemetry.
Developer Toolsk9s
Terminal-based Kubernetes UI that makes managing clusters fast, keyboard-driven, and oddly fun.
Developer ToolsPostmark
Sub-second transactional email delivery for SaaS — used where the inbox cannot be missed.
Developer ToolsCap
Open source Loom alternative — beautiful, shareable screen recordings owned by you
Developer ToolsWasp
The Laravel for JavaScript — a declarative DSL that compiles to a complete React, Node.js and Prisma full-stack app
Developer ToolstRPC
End-to-end typesafe APIs for full-stack TypeScript — no schemas, no codegen, no contract drift
Developer ToolsTinaCMS
Open-source Git-backed headless CMS with click-to-edit visual editing for Markdown, MDX and JSON.
Developer ToolsMailtrap
Email delivery platform that combines safe sandbox testing with reliable transactional sending for dev teams.
Developer ToolsTurborepo
High-performance build system for JavaScript and TypeScript monorepos, written in Rust
Developer ToolsApidog
All-in-one API platform: design, debug, mock, test, and document APIs in one workspace