Category

Cerbos

Move access control out of app code into testable YAML policies

Appwrite

Self-hosted backend: auth, databases, storage, and functions

MariaDB Server

Open source MySQL-compatible relational database server

PostgreSQL

World's most advanced open source relational database

Sylius

Headless Symfony commerce for complex B2B and B2C stores

Saleor

Open source headless e-commerce platform with GraphQL API

Apache CouchDB

NoSQL database with multi-primary sync and HTTP API

OrientDB

Multi-model NoSQL database: graphs, docs, and key-value

Temporal

Durable workflow orchestration for reliable, long-running apps

KeyDB

Faster, multithreaded Redis drop-in with no API changes required

MongoDB

Popular open source NoSQL document database for modern apps

JanusGraph

Distributed open source graph database for massive scale