can i fork it?
open sourcecm0zfrz5200pu94snwyqzpqx7Self-host★ 17.5kactive nov 2026

QuestDB

QuestDB: high-performance, open-source time-series database.

Technical Profile & Specs

verified 2026-11-04

Cost
$0 / forever (Open Source)
License
cm0zfrz5200pu94snwyqzpqx7
Hosting Model
Self-host (your server)
Platforms
webself-hosteddocker to self-host
Installation
Clone https://github.com/questdb/questdb or deploy with Docker Compose
Operational Setup
Deploy via Docker or binary release from GitHub and configure environment variables.
Where Your Data Lives
All application data and configuration live on your own server or local database.
The Catch / Trade-off
Requires self-hosting setup, updates, and server maintenance compared to managed kdb+.

Replaces 1 paid app

up to $100/mo ($1,200/yr) in subscriptions

QuestDB FAQ

Common questions

Is QuestDB free and open source?+

QuestDB is an open-source tool licensed under cm0zfrz5200pu94snwyqzpqx7 that runs on self-host. QuestDB: high-performance, open-source time-series database.

What paid software does QuestDB replace?+

QuestDB serves as a free replacement for 1 paid SaaS application: kdb+, saving up to $100/month ($1,200/year) in subscription bills.

How do you install and set up QuestDB?+

Installation: Clone https://github.com/questdb/questdb or deploy with Docker Compose. Setup notes: Deploy via Docker or binary release from GitHub and configure environment variables.

What is the catch or trade-off with QuestDB?+

Requires self-hosting setup, updates, and server maintenance compared to managed kdb+.