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QuestDB

QuestDB is a high performance, open-source, time-series database

QuestDB

Banner with illustration of QuestDB, the open source time series database

QuestDB is a high performance, open-source database for time series data. It delivers ultra-low latency, high ingestion throughput, and a multi-tier storage engine. Native support for Parquet and SQL keeps your data portable, AI-ready—no vendor lock-in.

QuestDB is designed from the ground up to operate as close to the hardware as possible -- eliminating ingestion bottlenecks and lowering overall hardware requirements.

The codebase is built from scratch in zero-GC Java, C++ and Rust (QuestDB Enterprise).

To learn more about QuestDB, check the following:

Join our active public Slack and our community forum

See our public roadmap at public roadmap.

Community and Contributions

You can contribute to the QuestDB open source project: source code, documentation, bug reports, feature requests or feedback.

To get started:

  1. Good first issues
  2. Contribution guide
  3. Fork the repo and open a pull request.

We send QuestDB swag to our contributors.

🌍 Career opportunities

QuestDB is a remote-first company building high performance open-source software. We're always on the lookout for talented people to join the QuestDB team in these roles:

Pinned Loading

  1. questdb questdb Public

    QuestDB is a high performance, open-source, time-series database

    Java 16.3k 1.5k

  2. net-questdb-client net-questdb-client Public

    C# 43 11

  3. c-questdb-client c-questdb-client Public

    Rust, C and C++ client for QuestDB InfluxDB Line Protocol

    Rust 67 22

  4. go-questdb-client go-questdb-client Public

    Golang client for QuestDB's Influx Line Protocol

    Go 63 10

  5. py-questdb-client py-questdb-client Public

    Python client for QuestDB InfluxDB Line Protocol

    Python 64 10

  6. nodejs-questdb-client nodejs-questdb-client Public

    QuestDB Node.js Client

    TypeScript 42 11

Repositories

Showing 10 of 65 repositories
  • questdb Public

    QuestDB is a high performance, open-source, time-series database

    questdb/questdb’s past year of commit activity
    Java 16,328 Apache-2.0 1,509 725 (10 issues need help) 60 Updated Nov 5, 2025
  • questdb-kubernetes Public

    Configuration to run QuestDB in your Kubernetes cluster

    questdb/questdb-kubernetes’s past year of commit activity
    Mustache 36 Apache-2.0 22 1 0 Updated Nov 4, 2025
  • blog-examples Public

    Code samples from QuestDB blog

    questdb/blog-examples’s past year of commit activity
    Python 0 Apache-2.0 0 0 0 Updated Nov 4, 2025
  • documentation Public

    QuestDB documentation

    questdb/documentation’s past year of commit activity
    TypeScript 5 Apache-2.0 28 9 12 Updated Nov 4, 2025
  • nodejs-questdb-client Public

    QuestDB Node.js Client

    questdb/nodejs-questdb-client’s past year of commit activity
    TypeScript 42 11 8 1 Updated Nov 3, 2025
  • ui Public

    Monorepo of QuestDB UI packages

    questdb/ui’s past year of commit activity
    TypeScript 22 33 39 (2 issues need help) 5 Updated Nov 3, 2025
  • kafka-questdb-connector Public

    QuestDB connector for Kafka.

    questdb/kafka-questdb-connector’s past year of commit activity
    Java 36 Apache-2.0 5 5 0 Updated Oct 29, 2025
  • go-questdb-client Public

    Golang client for QuestDB's Influx Line Protocol

    questdb/go-questdb-client’s past year of commit activity
    Go 63 Apache-2.0 10 3 3 Updated Oct 29, 2025
  • questdb/net-questdb-client’s past year of commit activity
    C# 43 Apache-2.0 11 5 1 Updated Oct 24, 2025
  • c-questdb-client Public

    Rust, C and C++ client for QuestDB InfluxDB Line Protocol

    questdb/c-questdb-client’s past year of commit activity
    Rust 67 Apache-2.0 22 10 4 Updated Oct 21, 2025