TDengine
TDengine™ is an open-source, cloud-native time-series database optimized for Internet of Things (IoT), Connected Cars, and Industrial IoT. With its built-in caching, stream processing, and data subscription capabilities, TDengine offers a simplified solution for time-series data processing. It has gained over 20,000 stars on GitHub, and over 175,000 running instances in over 50 countries.