Open Source APIs & Integration Tools

78 projects, sorted by GitHub stars.

Alternative toGoogle Cloud Vertex AI

Bridge n8n automations into MCP tools for Claude and Cursor

Alternative todbt Cloud

SQL and Python pipelines, notebooks, and dashboards in Git

Alternative toElevenLabs

Empathic voice AI SDK with open source emotional models

Alternative toPostman

Local-first API client for HTTP, REST, and GraphQL

Alternative toBraze

Open source mobile retention and engagement automation