can i fork it?

Head-to-Head Comparison · Alternative to Last9 · 📟 monitoring

Last9 vs GreptimeDB

Cloud-native observability database unifying metrics, logs, and traces with sub-second queries, 50x cost reduction, and seamless OpenTelemetry integration. Here is how GreptimeDB ($0/mo open source) stacks up against Last9 ($35/mo) across cost, hosting, data privacy, and real-world trade-offs.

⚡ Quick Verdict · 2027 Comparison

GreptimeDB is a verified Open Source-licensed open-source replacement for Last9. Switching from Last9 ($35/mo) saves $420/yr per solo seat, or $2,100/yr for a 5-person team. Deployment: Runs on Self-host.

The catch: Requires self-hosting setup, updates, and server maintenance compared to managed Last9.

Open-Source Alternative

GreptimeDB

$0.00/mo · Open Source

Last9 vs GreptimeDB Specifications

facts verified 2026-11-07

DimensionLast9 (Paid)GreptimeDB (Replacement)
Monthly Price$35 / mo$0 / mo
1-Year Cost (1 seat)$420 / yr$0 / yr (Save $420)
1-Year Cost (5 seats)$2,100 / yr$0 / yr (Save $2,100)
1-Year Cost (10 seats)$4,200 / yr$0 / yr (Save $4,200)
Source & LicenseProprietary SaaSopen source Open Source
Where It RunsVendor CloudSelf-host (your server)
PlatformsWeb / Cloud
webself-hosteddocker to self-host
GitHub Stars—★ 6.8k (active nov 2026)

Deep Dive: Switching from Last9 to GreptimeDB

Trade-offs, installation & data architecture

The Catch vs Last9

What you trade away

Requires self-hosting setup, updates, and server maintenance compared to managed Last9.

Installation

How to deploy GreptimeDB

Clone https://github.com/greptimeteam/greptimedb or deploy with Docker Compose

Day-2 Operations & Setup

What it takes to run

Deploy via Docker or binary release from GitHub and configure environment variables.

Data Ownership

Where your data lives

All application data and configuration live on your own server or local database.

Build vs Fork Verdict: NO (use a free alternative, save the tokens)

Why fork GreptimeDB instead of vibe-coding a Last9 clone?

Instead of paying recurring SaaS fees for Last9 or rebuilding it from scratch, deploy one of the 8 battle-tested open-source alternatives like SigNoz.

Last9 vs GreptimeDB FAQ

Is GreptimeDB a good free alternative to Last9?+

Yes. GreptimeDB is a verified open-source (Open Source) replacement for Last9. Cloud-native observability database unifying metrics, logs, and traces with sub-second queries, 50x cost reduction, and seamless OpenTelemetry integration.

What is the catch when switching from Last9 to GreptimeDB?+

Requires self-hosting setup, updates, and server maintenance compared to managed Last9.

How much do you save switching from Last9 to GreptimeDB?+

Last9 costs $35/mo ($420/yr) per seat, whereas GreptimeDB is $0/mo. Switching saves $420/yr for a solo user, $2,100/yr for a 5-person team, and $4,200/yr for a 10-person team.

How do I install or self-host GreptimeDB instead of Last9?+

Install: Clone https://github.com/greptimeteam/greptimedb or deploy with Docker Compose. Setup: Deploy via Docker or binary release from GitHub and configure environment variables.

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