H Hoppscotch Community Edition Fast and beautiful API request builder. Self-hostedOpen sourceSoftware Development - API Management 80,701MITNodejsupdated Sept 2026
Kong Microservice API Gateway and Platform. Self-hostedOpen sourceSoftware Development - API Management 44,309Apache-2.0Luaupdated Oct 2026
Hasura Fast, instant realtime GraphQL APIs on Postgres with fine grained access control, also trigger webhooks on database events. Self-hostedOpen sourceSoftware Development - API Management 32,123Apache-2.0Haskellupdated Oct 2026
C Composio Integration platform for AI agents & LLMs with support for 250+ apps and custom tools. Self-hostedOpen sourceSoftware Development - API Management 30,779Elastic-2.0Pythonupdated Oct 2026
O Opik Evaluate, test, and ship LLM applications with a suite of observability tools to calibrate language model outputs across your dev and production lifecycle. Self-hostedOpen sourceSoftware Development - API Management 22,976Apache-2.0Pythonupdated Oct 2026
T Tyk Fast and scalable open source API Gateway. Out of the box, Tyk offers an API Management Platform with an API Gateway, API Analytics, Developer Portal and API Management Dashboard. Self-hostedOpen sourceSoftware Development - API Management 10,870MPL-2.0Goupdated Oct 2026
L Lura High-performance API Gateway. Self-hostedOpen sourceSoftware Development - API Management 6,802Apache-2.0Goupdated Sept 2026
S Svix Webhooks as a service that makes it super easy for API providers to send webhooks. Self-hostedOpen sourceSoftware Development - API Management 3,465MITRustupdated Oct 2026
F Fusio API management platform which helps to build and manage REST APIs. Self-hostedOpen sourceSoftware Development - API Management 2,127AGPL-3.0PHPupdated Oct 2026
D DreamFactory Turns any SQL/NoSQL/Structured data into Restful API. Self-hostedOpen sourceSoftware Development - API Management 1,786Apache-2.0PHPupdated Sept 2026
G GoModel AI gateway written in Go with a unified OpenAI-compatible API for multiple LLM providers, USD cost tracking, budgets, usage analytics, guardrails, caching, and an admin dashboard. Self-hostedOpen sourceAIGenerative Artificial Intelligence (GenAI)Software Development - API ManagementAnalytics 1,279MITGoupdated Oct 2026
P Para Flexible and modular backend framework/server for object persistence, API development and authentication. Self-hostedOpen sourceSoftware Development - API Management 574Apache-2.0Javaupdated Oct 2026
G Graphweaver Turn multiple data sources into a single GraphQL API. Self-hostedOpen sourceSoftware Development - API Management 558MITNodejsupdated Oct 2026
A Aastro Extensible API Gateway written in Go. Self-hostedOpen sourceSoftware Development - API Management 24Apache-2.0Goupdated Oct 2026
Hook0 Webhooks-as-a-service (WaaS) that makes it easy for online products to provide webhooks. Dispatch up to 3,000 events/month with 7 days of history retention for free. Self-hostedOpen sourceSoftware Development - API Management 15SSPL-1.0Rustupdated Oct 2026
F form.io A REST API building platform that utilizes a drag & drop form builder, and is application framework agnostic. Contains open source and enterprise version. Self-hostedOpen sourceSoftware Development - API Management MITNodejs