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Self-hosted Time Series Databases

A curated collection of the best self-hosted databases optimized for handling time-stamped data..

Prometheus

Open source metrics collection, storage, and alerting

  • Stars

    66,772

  • Last commit

    12 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:

DataDog

InfluxDB

Purpose-built time series database for real-time systems

  • Stars

    31,786

  • Last commit

    3 days ago

  • License

    Apache-2.0
InfluxDB handles high-velocity, high-resolution time series data at scale, built for telemetry, edge devices, IoT, and physical AI workloads.

Open Source Alternative to:

Kdb+

TimescaleDb

Time-series database built on top of PostgreSQL

  • Stars

    23,756

  • Last commit

    2 days ago

  • License

    Unknown
PostgreSQL extension for time-series data with automatic partitioning, up to 95% columnar compression, continuous aggregates, and ~200 native SQL functions.

Open Source Alternative to:

Snowflake

VictoriaMetrics

High-performance time series database for metrics and logs

  • Stars

    17,906

  • Last commit

    14 hours ago

  • License

    Apache-2.0
Time series database and monitoring platform compatible with Prometheus, handling billions of metrics with lower resource usage than most alternatives.

Open Source Alternative to:

DataDog

Apache Druid

Real-time analytics database for sub-second OLAP queries

  • Stars

    14,095

  • Last commit

    16 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:

Snowflake

GreptimeDB

Unified observability database for metrics, logs, and traces

  • Stars

    6,766

  • Last commit

    11 hours ago

  • License

    Apache-2.0
Cloud-native observability database unifying metrics, logs, and traces with sub-second queries, 50x cost reduction, and seamless OpenTelemetry integration.

Open Source Alternative to:

DataDog

Apache IoTDB

Time-series database built for industrial IoT workloads

  • Stars

    6,423

  • Last commit

    13 hours ago

  • License

    Apache-2.0
Apache IoTDB manages industrial IoT time-series data with high-throughput read/write, edge-cloud sync, ultra-high compression, and integrations with Hadoop, Spark, Flink, and Grafana.

Open Source Alternative to:

InfluxDB
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