fastapi / fastapi

FastAPI is a Python web framework for building APIs using standard type hints, with automatic OpenAPI and JSON Schema documentation.

emqx / emqx

Scalable MQTT broker and IoT messaging platform supporting MQTT 5.0, CoAP, LwM2M, and MQTT over QUIC, with a SQL rule engine and data bridges.

trinodb / trino

Distributed SQL query engine for big data analytics across many data sources, formerly known as PrestoSQL.

apache / couchdb

Apache CouchDB is a document database with multi-primary replication and a JSON-over-HTTP API.

erlang / otp

Erlang programming language runtime and the OTP libraries and design principles for building fault-tolerant, soft real-time systems.

processone / ejabberd

Open-source Erlang server for XMPP chat, MQTT brokering, and SIP voice/video signaling, built for scale.

mojolicious / mojo

Perl web framework with a built-in non-blocking HTTP/WebSocket server and client, plus MVC, routing, templates, and JSON/HTML parsing.