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Open Source Time Series Databases using CSS

A curated collection of the best open source databases optimized for handling time-stamped data. using CSS.

Open source metrics collection, storage, and alerting
  • Stars


    66,312
  • Last commit


    16 hours ago
  • License


    Apache-2.0
Pull-based monitoring system with a multi-dimensional data model, PromQL query language, built-in alerting, and a time series database built for cloud native environments.

Open Source Alternative to:

Time-series database and historian for industrial data
  • Stars


    25,150
  • Last commit


    1 day ago
  • License


    AGPL-3.0
High-performance time-series database with industrial data management, built-in stream analytics, and AI-driven anomaly detection for operational environments.

Open Source Alternative to:

Real-time analytics database for sub-second OLAP queries
  • Stars


    14,058
  • Last commit


    5 hours ago
  • License


    Apache-2.0
Columnar, time-indexed analytics database built for streaming and batch data at scale, handling billions to trillions of rows with millisecond query response times.

Open Source Alternative to:

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