Top 21 Alternative OpenSource for API in Cloud Services Hosting 2025

n8n
Free and source-available fair-code licensed workflow automation tool. Easily automate tasks across different services.

n8n

Development & IT

Free and source-available fair-code licensed workflow automation tool. Easily automate tasks across different services.

763.4K
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keycloak
Open Source Identity and Access Management For Modern Applications and Services

keycloak

Customer onboarding

Open Source Identity and Access Management For Modern Applications and Services

540.5K
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pipedream
Connect APIs, remarkably fast. Free for developers.

pipedream

Development & IT

Connect APIs, remarkably fast. Free for developers.

435.3K
visit
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directus
The Modern Data Stack 🐰 — Directus is an instant REST+GraphQL API and intuitive no-code data collaboration app for any SQL database.

directus

Development & IT

The Modern Data Stack 🐰 — Directus is an instant REST+GraphQL API and intuitive no-code data collaboration app for any SQL database.

193.6K
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hydra
OpenID Certified™ OpenID Connect and OAuth Provider written in Go - cloud native, security-first, open source API security for your infrastructure.

hydra

Security

OpenID Certified™ OpenID Connect and OAuth Provider written in Go - cloud native, security-first, open source API security for your infrastructure.

108.4K
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nhost
The Open Source Firebase Alternative with GraphQL.

nhost

Development & IT

The Open Source Firebase Alternative with GraphQL.

24.4K
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instant
The realtime client-side database

instant

Development & IT

The realtime client-side database

1.6K
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fonoster
🚀 The open-source alternative to Twilio.

fonoster

Customer experience

🚀 The open-source alternative to Twilio.

386
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encore
Encore is the Backend Development Platform for building distributed systems and event-driven applications.

encore

Development & IT

Encore is the Backend Development Platform for building distributed systems and event-driven applications.

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insomnia
The open-source, cross-platform API client for GraphQL, REST, WebSockets, SSE and gRPC. With Cloud, Local and Git storage.

insomnia

Cloud services & hosting

The open-source, cross-platform API client for GraphQL, REST, WebSockets, SSE and gRPC. With Cloud, Local and Git storage.

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insomnia
The open-source, cross-platform API client for GraphQL, REST, WebSockets, SSE and gRPC. With Cloud, Local and Git storage.

insomnia

Development & IT

The open-source, cross-platform API client for GraphQL, REST, WebSockets, SSE and gRPC. With Cloud, Local and Git storage.

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filestash
🦄 A file manager / web client for SFTP, S3, FTP, WebDAV, Git, Minio, LDAP, CalDAV, CardDAV, Mysql, Backblaze, ...

filestash

Cloud services & hosting

🦄 A file manager / web client for SFTP, S3, FTP, WebDAV, Git, Minio, LDAP, CalDAV, CardDAV, Mysql, Backblaze, ...

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minio
The Object Store for AI Data Infrastructure

minio

Cloud services & hosting

The Object Store for AI Data Infrastructure

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navidrome
Modern Music Server and Streamer compatible with Subsonic/Airsonic

navidrome

Audio

Modern Music Server and Streamer compatible with Subsonic/Airsonic

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engine
The Orchestration Engine To Deliver Self-Service Infrastructure ⚡️

engine

Cloud services & hosting

The Orchestration Engine To Deliver Self-Service Infrastructure ⚡️

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reaction
Mailchimp Open Commerce is an API-first, headless commerce platform built using Node.js, React, GraphQL. Deployed via Docker and Kubernetes.

reaction

Ecommerce

Mailchimp Open Commerce is an API-first, headless commerce platform built using Node.js, React, GraphQL. Deployed via Docker and Kubernetes.

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shlink
The definitive self-hosted URL shortener

shlink

Cloud services & hosting

The definitive self-hosted URL shortener

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thingsboard
Open-source IoT Platform - Device management, data collection, processing and visualization.

thingsboard

Development & IT

Open-source IoT Platform - Device management, data collection, processing and visualization.

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tsuru
Open source and extensible Platform as a Service (PaaS).

tsuru

Development & IT

Open source and extensible Platform as a Service (PaaS).

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webiny-js
Open-source serverless enterprise CMS. Includes a headless CMS, page builder, form builder, and file manager. Easy to customize and expand. Deploys to AWS.

webiny-js

Build it yourself

Open-source serverless enterprise CMS. Includes a headless CMS, page builder, form builder, and file manager. Easy to customize and expand. Deploys to AWS.

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YOURLS
🔗 The de facto standard self hosted URL shortener in PHP

YOURLS

Development & IT

🔗 The de facto standard self hosted URL shortener in PHP

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