Best Open Source Unified Alternatives

Connect and sync data across multiple business applications through a single API integration platform that eliminates complex custom integrations.

Unified2 tools

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Open-source tools

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Nango

Complete integrations platform with 500+ pre-built APIs, code-first approach, unified data models, and enterprise-grade security. Free tier available.

7,234

Other

Alternative to: Unified

ACI.dev

Platform for connecting AI agents to 500+ tools with built-in multi-tenant auth management and granular permissions using either function calling or a unified MCP server

4,824

Apache-2.0

Alternative to: Unified