💫 Toolkit to help you get started with Spec-Driven Development

Easily switch between alternative low-cost AI models in Claude Code/Agent SDK. For those comfortable using Claude agents and commands, it lets you take what you've created and deploy fully hosted a…

🌊 The leading agent orchestration platform for Claude. Deploy intelligent multi-agent swarms, coordinate autonomous workflows, and build conversational AI systems. Features enterprise-grade archite…

Give your Nuke builds a refreshing soda! (may contain trace amounts of plutonium)

Result pattern for .NET that replaces exceptions with type-safe return values. Features railway-oriented programming, ASP.NET Core integration, RFC 7807 Problem Details, and built-in pagination. De…

Lean 4 programming language and theorem prover

TensorZero is an open-source stack for industrial-grade LLM applications. It unifies an LLM gateway, observability, optimization, evaluation, and experimentation.

The Cursor for Designers • An Open-Source AI-First Design tool • Visually build, style, and edit your React App with AI

An AI-powered task-management system you can drop into Cursor, Lovable, Windsurf, Roo, and others.

Library allowing to use C# to create SNES roms

The open-source reactive database for app developers

Open-source developer platform to power your entire infra and turn scripts into webhooks, workflows and UIs. Fastest workflow engine (13x vs Airflow). Open-source alternative to Retool and Temporal.

The TypeScript AI agent framework. ⚡ Assistants, RAG, observability. Supports any LLM: GPT-4, Claude, Gemini, Llama.

Weave your codebase into a single, navigable Markdown document

A full stack Next.js, Shadcn, and Supabase directory template. Build your startup directory effortlessly with features like user authentication, product filters, and customizable themes. Advanced a…

EntityDB is an in-browser vector database wrapping indexedDB and Transformers.js over WebAssembly

🪪 Open-graph images for transparent organisations on HCB; built using @vercel/og.

Your AI Operator for Web, Android, Automation & Testing.

Course to get into Large Language Models (LLMs) with roadmaps and Colab notebooks.

A free, open-source SaaS app starter for React & Node.js with superpowers. Full-featured. Community-driven.

Scira (Formerly MiniPerplx) is a minimalistic AI-powered search engine that helps you find information on the internet and cites it too. Powered by Vercel AI SDK! Open Source perplexity alternative.

npm for design engineers: largest marketplace of shadcn/ui-based React Tailwind components, blocks and hooks

Building AI agents, atomically

EntityDB is an in-browser vector database wrapping indexedDB and Transformers.js over WebAssembly

Letta is the platform for building stateful agents: open AI with advanced memory that can learn and self-improve over time.

The multi-agent framework, runtime and UI built for speed.

A Lightweight Recommendation System

Simple, unified interface to multiple Generative AI providers

Opensource IDE For Exploring and Testing API's (lightweight alternative to Postman/Insomnia)