penpot / penpot

Open-source design platform for product teams, built on open standards with real-time collaboration and self-hosting.

apache / kafka

Distributed event streaming platform for building high-throughput data pipelines and streaming applications.

apache / spark

Unified analytics engine for large-scale data processing with APIs in Scala, Java, Python, and R.

lichess-org / lila

Open source server powering lichess.org, a free, ad-free online chess platform with realtime games, analysis, and tournaments.

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.

higgsfield-ai / higgsfield

Open-source GPU cluster orchestrator and PyTorch-based framework for training LLMs with billions to trillions of parameters.