Open Source Integration Platforms
A curated collection of the best open source software for connecting apps and APIs, moving data between systems through workflows, triggers, and transformations instead of custom glue code.
See also:API Integration
Automate workflows with no-code integration platform
Stars
24,001Last commit
12 hours agoLicense
MIT
Open-source integration platform for seamless workflow automation. Connect apps, automate tasks, and boost productivity effortlessly.
Open Source Alternative to:
Open-source integration platform for seamless workflows
Stars
13,944Last commit
6 months agoLicense
Unknown
Self-hosted automation tool that connects your apps and services, enabling powerful integrations and efficient data flow across your ecosystem.
Open Source Alternative to:
Build product integrations with 500+ APIs in hours
Stars
11,569Last commit
2 days agoLicense
Elastic-2.0
Complete integrations platform with 500+ pre-built APIs, code-first approach, unified data models, and enterprise-grade security. Free tier available.
Open Source Alternative to:
Build reliable AI agents with unified tool integration
Stars
4,883Last commit
3 months agoLicense
Apache-2.0
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
Open Source Alternative to:
Open-source data integration for modern stacks
Stars
5,040Last commit
3 days agoLicense
MIT
Collect, transform, and sync data across your entire infrastructure with a flexible, code-based approach to data integration.
Open Source Alternative to:
Blazing-fast API gateway with linear scalability
Stars
2,668Last commit
4 days agoLicense
Apache-2.0
High-performance, stateless API gateway built for microservices. Handle 80K+ requests/second with transparent pricing and enterprise-grade reliability.
Open Source Alternative to:
Unify APIs, databases, and services effortlessly
Stars
1,253Last commit
17 hours agoLicense
Apache-2.0
A powerful backend framework that simplifies API integration, enhances security, and boosts developer productivity for modern web applications.
Open Source Alternative to:
Open-source webhooks for seamless integrations
Stars
1,481Last commit
18 hours agoLicense
SSPL-1.0
Self-hosted webhook solution for effortless event-driven communication between applications, enhancing system interoperability and automation.
Open Source Alternative to:
Connect APIs, databases, and streams without glue code
Stars
360Last commit
2 months agoLicense
Unknown
Automated data integration platform that connects APIs, databases, and event streams using semantic schemas. Deploy secure integrations in minutes with Git-based workflows.
Open Source Alternative to:
Stellar Hosted – Managed Open Source software hosting in the EU: secure, compliant, fast.
Stellar Hosted