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All TasksTop 47 Alternative OpenSource for API in 2025
n8n
Development & ITFree and source-available fair-code licensed workflow automation tool. Easily automate tasks across different services.
Strapi
Development & ITStrapi is the leading open-source headless CMS. It’s 100% JavaScript/TypeScript, fully customizable and developer-first.
keycloak
Customer onboardingOpen Source Identity and Access Management For Modern Applications and Services
Appsmith
Development & ITPlatform to build admin panels, internal tools, and dashboards. Integrates with 25+ databases and any API.
hoppscotch
Development & ITOpen source API development ecosystem - https - //hoppscotch.io (open-source alternative to Postman, Insomnia)
directus
Development & ITThe Modern Data Stack 🐰 — Directus is an instant REST+GraphQL API and intuitive no-code data collaboration app for any SQL database.
hydra
SecurityOpenID Certified™ OpenID Connect and OAuth Provider written in Go - cloud native, security-first, open source API security for your infrastructure.
Remotely Remote
Development & ITA remote control and remote scripting solution, built with .NET 8, Blazor, and SignalR.
ToolJet
Build it yourselfLow-code platform for building business applications. Connect to databases, cloud storages, GraphQL, API etc and build apps using drag and drop application builder.
budibase
Build it yourselfLow code platform for building business apps and workflows in minutes. Supports PostgreSQL, MySQL, MSSQL, MongoDB, Rest API, Docker, K8s, and more 🚀
encore
Development & ITEncore is the Backend Development Platform for building distributed systems and event-driven applications.
Illa Builder
Build it yourselfLow-code platform allows you to build business apps, enables you to quickly
insomnia
Cloud services & hostingThe open-source, cross-platform API client for GraphQL, REST, WebSockets, SSE and gRPC. With Cloud, Local and Git storage.
insomnia
Development & ITThe open-source, cross-platform API client for GraphQL, REST, WebSockets, SSE and gRPC. With Cloud, Local and Git storage.
manticoresearch
Development & ITEasy to use open source fast database for search | Good alternative to Elasticsearch now | Drop-in replacement for E in the ELK soon
meilisearch
Development & ITA lightning-fast search API that fits effortlessly into your apps, websites, and workflow
filestash
Cloud services & hosting🦄 A file manager / web client for SFTP, S3, FTP, WebDAV, Git, Minio, LDAP, CalDAV, CardDAV, Mysql, Backblaze, ...
labrinth
Development & ITOur Rust-based backend utilizing the actix-web framework to serve Modrinth's API.
reaction
EcommerceMailchimp Open Commerce is an API-first, headless commerce platform built using Node.js, React, GraphQL. Deployed via Docker and Kubernetes.
spree
EcommerceAn open source eCommerce platform giving you full control and customizability. Modular and API-first. Build any eCommerce solution that your business requires. Developed by @vendo-dev
dub
Marketing managementOpen-source link management infrastructure. Loved by modern marketing teams like Vercel, Raycast, and Perplexity.
