The world's fastest open query engine for sub-second analytics both on and off the data lakehouse. With the flexibility to support nearly any scenario, StarRocks provides best-in-class performance for multi-dimensional analytics, real-time analytics, and ad-hoc queries. A Linux Foundation project.
Apache Pinot - A realtime distributed OLAP datastore
Open source real-time translation app for Android that runs locally
Apache Paimon is a lake format that enables building a Realtime Lakehouse Architecture with Flink and Spark for both streaming and batch operations.
An XMPP server licensed under the Open Source Apache License.
Firebase Android SDK
A modular and portable open source XMPP client library written in Java for Android and Java (SE) VMs
A platform that makes it easy for developers to build realtime, cost-effective, operations-focused applications
Open-source realtime location sharing
A socket server (include SSL) supports realtime application, realtime game, MMORPG, messaging, chat and streaming data with TCP, UDP and Websocket
AllTick real-time financial market data API with REST and WebSocket access to stocks, forex, crypto, commodities, and indices.
Firebase Admin Java SDK
Cross-platform real-time collaboration client optimized for business and organizations.