Head-to-Head Comparison · Alternative to kdb+ · 🗄️ databases
kdb+ vs TimescaleDB
Open-source, fast, and scalable PostgreSQL extension for time-series data. Here is how TimescaleDB ($0/mo open source) stacks up against kdb+ ($100/mo) across cost, hosting, data privacy, and real-world trade-offs.
TimescaleDB
$0.00/mo · Open Source
kdb+ vs TimescaleDB Specification Matrix
facts verified 2026-11-04
| Dimension | kdb+ (Paid) | TimescaleDB (Replacement) |
|---|---|---|
| Monthly Price | $100 / mo | $0 / mo |
| 1-Year Cost (1 seat) | $1,200 / yr | $0 / yr (Save $1,200) |
| 1-Year Cost (5 seats) | $6,000 / yr | $0 / yr (Save $6,000) |
| 1-Year Cost (10 seats) | $12,000 / yr | $0 / yr (Save $12,000) |
| Source & License | Proprietary SaaS | open source Open Source |
| Where It Runs | Vendor Cloud | Self-host (your server) |
| Platforms | Web / Cloud | webself-hosteddocker to self-host |
| GitHub Stars | — | ★ 23.8k (active nov 2026) |
Deep Dive: Switching from kdb+ to TimescaleDB
Trade-offs, installation & data architecture
What you trade away
Requires self-hosting setup, updates, and server maintenance compared to managed kdb+.
How to deploy TimescaleDB
Clone https://github.com/timescale/timescaledb or deploy with Docker Compose
What it takes to run
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.
Why fork TimescaleDB instead of vibe-coding a kdb+ clone?
Instead of paying recurring SaaS fees for kdb+ or rebuilding it from scratch, deploy one of the 4 battle-tested open-source alternatives like InfluxDB or TDengine.
kdb+ vs TimescaleDB FAQ
Is TimescaleDB a good free alternative to kdb+?+
Yes. TimescaleDB is a verified open-source (Open Source) replacement for kdb+. Open-source, fast, and scalable PostgreSQL extension for time-series data.
What is the catch when switching from kdb+ to TimescaleDB?+
Requires self-hosting setup, updates, and server maintenance compared to managed kdb+.
How much do you save switching from kdb+ to TimescaleDB?+
kdb+ costs $100/mo ($1,200/yr) per seat, whereas TimescaleDB is $0/mo. Switching saves $1,200/yr for a solo user, $6,000/yr for a 5-person team, and $12,000/yr for a 10-person team.
How do I install or self-host TimescaleDB instead of kdb+?+
Install: Clone https://github.com/timescale/timescaledb or deploy with Docker Compose. Setup: Deploy via Docker or binary release from GitHub and configure environment variables.