A Git-compatible VCS that is both simple and powerful

The missing integration layer for AI agents. Let them call any OpenAPI / MCP / GraphQL / custom js functions in secure environment.

A terminal emulator for the web

The website of pi

Effect-native SDKs for cloud providers

TypeScript-go enhanced with the Effect LSP experience

Collect, review, and upload redacted pi session files to a Hugging Face dataset

Fast, accurate & comprehensive text measurement & layout

Node.js library for SAML SSO

ORM

Mandrel - AI development tool.

HelixDB is an OLTP graph-vector database built in Rust.

Puffing up reinforcement learning

The UI framework for teams that move fast — without breaking things.

A simple task management system for managing AI dev agents

TypeScript migration toolkit for adopting Effect with Amp coding agents

the elegant TypeScript UI framework

Belief in the Machine: Investigating Epistemological Blind Spots of Language Models

Infrastructure as Effects

A multi-agent framework written in Rust that enables you to build, deploy, and coordinate multiple intelligent agents

Interactive Effect Visualizations

Universal memory layer for AI Agents

Mesa is an open-source Python library for agent-based modeling, ideal for simulating complex systems and exploring emergent behaviors.

The elegant bundler for libraries powered by Rolldown

Real-time directory structure for Cursor AI. Your AI always knows your codebase's structure 🌿

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

A curated list of 100+ libraries and frameworks for AI engineers building with LLMs