Flashcat
Open-source cloud-native monitoring platform with alerting, dashboards and on-call based on Nightingale and Categraf.
Our Verdict
Solid open-core stack popular in China, but language and community barriers limit global adoption.
Pros
- Nightingale + Categraf stack with managed UI
- Prometheus-compatible metrics ingest
- Built-in alerting and on-call scheduling
- Active Chinese open-source community
Cons
- Docs and UI primarily Chinese first
- Smaller global community than Grafana stack
- Enterprise support limited outside APAC
- Feature parity gaps vs Grafana Cloud
When to Use Flashcat
Good fit if you need
- Open-source cloud-native alerting with Prometheus rules
- On-call management integrated with Nightingale dashboards
- Categraf agent collecting metrics from 100+ sources
- Alert deduplication and silence rules for noisy infra
Pricing
Price wrong?Flashcat Pricing
- Pricing Model
- freemium
- Free Tier
- Yes
- Entry Price
- —
- Enterprise Available
- No
- Transparency Score
- —
Beta — estimates may differ from actual pricing
Estimated Monthly Cost
$25
Estimated Annual Cost
$300
Estimates are approximate and may not reflect current pricing. Always check the official pricing page.
Project Health
Health Score
8
3.1 years
N/A
0
N/A
Apache-2.0
Last checked: 2026-04-21
Lock-in Assessment
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