Best Open Source Big Data Projects
ClickHouse
Fast open-source OLAP database
★ 50,439 Updated: Oct 2026 Status: Active
TiDB
An open-source, cloud-native, distributed SQL database.
★ 40,644 Updated: Oct 2026 Status: Active
TDengine
An open-source, high-performance time-series database.
★ 25,161 Updated: Oct 2026 Status: Active
TimescaleDB
The open-source time-series database optimized for fast ingest and complex queries.
★ 23,702 Updated: Oct 2026 Status: Active
ThingsBoard
Open-source IoT platform for device management, data collection, and processing.
★ 22,561 Updated: Oct 2026 Status: Active
Maxun
Turn any website into a structured API
★ 17,857 Updated: Oct 2026 Status: Active
QuestDB
A time-series database built for very fast ingestion and SQL queries over market, sensor and metrics data.
★ 17,445 Updated: Oct 2026 Status: Active
