griddb

Overview

GridDB is an open-source NewSQL database developed in C++ and published on GitHub under the AGPL-3.0 license. With over 2,400 GitHub stars, it has attracted a solid following among developers working on IoT and big data applications. GridDB combines key-value and relational data models, making it suitable for time-series and sensor data scenarios where both speed and query flexibility matter. The project is maintained in the griddb/griddb repository and targets use cases that require fast data ingestion alongside SQL-compatible querying. Developers can explore the source, build from code, and contribute via the GitHub repository. No pre-built release files are currently indexed in this listing, so users should refer to the upstream repository for build instructions and release artifacts.

Highlights

• NewSQL architecture combining key-value and relational data models
• Optimized for IoT and time-series workloads requiring fast ingestion
• Written in C++ for high-performance data processing
• SQL-compatible query interface alongside NoSQL access patterns
• Open-source under AGPL-3.0 with active GitHub community
• Over 2,400 GitHub stars reflecting broad developer interest

Common use cases

• Storing and querying time-series sensor data from IoT devices
• Big data analytics pipelines requiring fast read and write throughput
• Applications needing both NoSQL flexibility and SQL query support
• Edge or server-side data management for connected device fleets