Top 4 sos open source projects

Process live and historical data from luftdaten.info, IRCELINE and OpenAQ. Filter by station-id, sensor-id and sensor-type, apply reverse geocoding, store into timeseries and RDBMS databases, publish to MQTT, output as JSON or visualize in Grafana.

AppActive: A middleware to build an application with multiple active architectures（阿里巴巴开源的一款标准通用且功能强大的构建应用多活架构的开源中间件）

SheHeroes- A Women And Child Safety App

Solar Operating System - The ASCII OS nobody asked for.