Self-hostable software: Library / SDK (31)

An open source HTML presentation framework for creating browser-based slides.

A React SDK for building infinite canvas apps with customizable shapes, tools, and collaborative whiteboarding.

Medusa is a commerce platform and customization framework for building custom digital commerce applications.

Composio SDK provides TypeScript and Python libraries for integrating AI agents with external apps and services.

Mastra is a TypeScript framework for building AI-powered applications, agents, workflows, and MCP servers.

A framework for building and deploying AI services with gRPC, HTTP, and WebSocket communication.

A lightweight notification library and CLI that sends messages to many popular notification services.

Harper is an English grammar checker focused on privacy, speed, and low memory usage.

Keystone is a CMS and app framework that lets developers define a schema and get a GraphQL API plus a management UI.

Flue is a sandbox agent framework for building AI agents that run in isolated container or virtual sandbox environments.

Cap is a lightweight open-source CAPTCHA alternative that uses SHA-256 proof-of-work and JavaScript instrumentation challenges.

An open framework for building ultra-performance API gateways and proxy generators with middlewares.