Analytics & Observability
Top 2 Self-Hosted Open-Source Alternatives to Datadog (2026)
Datadog costs Pro APM + Logs (~$180/mo base + per-host/span fees) ($330/mo or $3,960/year for 10 seats). Switch to one of the verified open-source Docker replacements below.
★ 20.8k Stars • MIT / Apache-2.0
2048MB RAM / 2.0 vCPU
SigNoz
OpenTelemetry-native open-source APM, logs, metrics, and traces powered by ClickHouse
- ✓ClickHouse columnar speed (10x cheaper storage)
- ✓Unified metrics, traces & logs in one pane
- ✓Zero vendor lock-in via OpenTelemetry
signoz/frontend:latest
TCO & Docker Compose →
★ 64.1k Stars • MIT
256MB RAM / 0.5 vCPU
Uptime Kuma
Self-hosted uptime monitoring and status pages with 90+ notification channels (Slack, Telegram, Email)
- ✓Replaces Pingdom & BetterStack status pages
- ✓SSL certificate expiry alerts
- ✓Uses <200MB RAM
louislam/uptime-kuma:1
TCO & Docker Compose →