Backend

Distributed event streaming platform that stores data as a durable, replayable log, built for high-throughput real-time pipelines rather than traditional point-to-point queuing.

Actively maintained

• Backend

Distributed messaging and streaming platform built for financial-grade transactional reliability at very high throughput.

Actively maintained

• Backend

Open-source backend platform providing authentication, databases, storage, functions and realtime APIs, self-hosted or as a managed cloud service.

Actively maintained

• Backend
• Database
• Authentication & Security

CNCF specification and SDK collection for describing event data in a common, vendor-neutral format across systems and platforms.

Actively maintained

• Backend

Portable runtime that gives microservices building blocks - state management, pub/sub messaging, service invocation, and workflow - over a sidecar API in any language.

Actively maintained

• Backend

Open source data platform that wraps any SQL database with a dynamic API and an intuitive admin app.

Actively maintained

• CMS
• Backend
• API

Instant GraphQL and REST APIs on top of PostgreSQL and other databases, via Data Connectors.

Actively maintained

• Backend
• API
• Database

Lightweight, high-performance messaging system for cloud-native applications, built around simplicity and low operational overhead.

Actively maintained

• Backend

Open source backend consisting of an embedded SQLite database, authentication, file storage and a realtime API in a single executable.

Actively maintained

• Backend
• Database

Standalone web server that turns any PostgreSQL database directly into a RESTful API.

Actively maintained

• API
• Backend

Distributed messaging and streaming platform that unifies traditional queuing and event streaming with built-in multi-tenancy.

Actively maintained

• Backend

Kubernetes-native Java framework designed for fast startup times and low memory footprint, tailored for containers and serverless.

Actively maintained

• Backend

Mature, widely deployed message broker for decoupling services with reliable queues, routing, and pub/sub messaging across AMQP, MQTT, and STOMP.

Actively maintained

• Backend

Distributed data integration platform for moving and transforming data between databases, data lakes, and messaging systems at scale.

Actively maintained

• Backend

Kubernetes operator that automates running Apache Kafka clusters, handling deployment, configuration, and lifecycle management.

Actively maintained

• Backend

Open source Firebase alternative providing a Postgres database, authentication, instant APIs, edge functions, realtime subscriptions and storage.

Actively maintained

• Backend
• Database
• Authentication & Security