FireHydrant costs $35/mo.
These cost $0.
3 free alternatives to FireHydrant, checked for license, recent activity and real adoption. Each one tells you the catch, so you can switch with your eyes open.
The top-rated free, open-source replacement for FireHydrant is Keep (Open Source Open Source). Across this category, 3 self-hostable tools are available (including Keep and OneUptime). Switching a 5-person team saves up to $2,100/year compared to FireHydrant's $35/mo subscription.
The catch: Requires self-hosting setup, updates, and server maintenance compared to managed FireHydrant.
FireHydrant vs Free Alternatives
Quick side-by-side comparison · $0/mo vs $35/mo
| Alternative | Type | License | Where It Runs | Stars | Head-to-Head |
|---|---|---|---|---|---|
| Keep | open source | Open Source | Self-host | ★ 12.5k | FireHydrant vs Keep → |
| OneUptime | open source | Apache-2.0 | Self-host | ★ 7.8k | FireHydrant vs OneUptime → |
| Wachd | open source | Open Source | Self-host | ★ 42 | FireHydrant vs Wachd → |
The picks
3 open source · ranked by fit
- 01
Keep
open sourceOpen SourceSelf-host12.5knov 2026Open-source platform for centralizing alerts, automating responses, and enhancing incident management across your tech stack.
The catch vs FireHydrantRequires self-hosting setup, updates, and server maintenance compared to managed FireHydrant.
Install, platforms & data +
- platforms
- webself-hosteddocker to self-host
- install
- Clone https://github.com/keephq/keep or deploy with Docker Compose
- setup
- Deploy via Docker or binary release from GitHub and configure environment variables.
- your data
- All application data and configuration live on your own server or local database.
- checked
- 2026-11-07
- 02
OneUptime
open sourceApache-2.0Self-host7.8knov 2026All-in-one solution for uptime monitoring, incident management, and status pages to keep your services running smoothly
The catch vs FireHydrantIt covers many adjacent jobs, but its self-hosted stack is far heavier to run and its integration depth and polish trail Datadog's mature managed platform.
Install, platforms & data +
- platforms
- webself-hostedself-host, real ops
- install
- Hosted signup, or the release-branch Docker Compose stack; Helm is the production path
- setup
- The recommended self-hosted footprint is large and production requires secrets, TLS, backups, database care, and frequent upgrades rather than a single lightweight monitor.
- engines
- Its AI features can connect to OpenAI, Azure OpenAI, Anthropic, Groq, Mistral, Ollama, and OpenAI-compatible servers such as vLLM, LocalAI, or LM Studio.
- your data
- Self-hosted telemetry is stored in ClickHouse, application state and configuration in PostgreSQL, and cache, queues, and sessions in Redis.
- checked
- 2026-11-07
- 03
Wachd
open sourceOpen SourceSelf-host42nov 2026Receive alerts from Grafana, Datadog, and Prometheus with AI-generated root cause analysis. Self-hosted on Kubernetes, fully air-gapped capable, Apache 2.0 licensed.
The catch vs FireHydrantRequires self-hosting setup, updates, and server maintenance compared to managed FireHydrant.
Install, platforms & data +
- platforms
- webself-hosteddocker to self-host
- install
- Clone https://github.com/wachd/wachd or deploy with Docker Compose
- setup
- Deploy via Docker or binary release from GitHub and configure environment variables.
- your data
- All application data and configuration live on your own server or local database.
- checked
- 2026-11-07
FireHydrant Head-to-Head Comparisons (2027)
Side-by-side trade-off breakdowns · 3 free alternatives
Frequently Asked Questions
Direct answers · FireHydrant open-source replacements
What is the best free alternative to FireHydrant?+
The top free alternative to FireHydrant is Keep (open source, Open Source). Open-source platform for centralizing alerts, automating responses, and enhancing incident management across your tech stack. Other popular FireHydrant replacements include OneUptime, Wachd.
Can I self-host a free replacement for FireHydrant?+
Yes. Of the 3 free alternatives to FireHydrant, 3 can be self-hosted on your own server or local machine: Keep (Open Source), OneUptime (Apache-2.0), Wachd (Open Source).
How much does switching from FireHydrant to a free alternative save?+
FireHydrant starts at $35/month per seat ($420/year). Switching a 5-person team to a free alternative like Keep saves $2,100 per year in software subscription fees.
Should I vibe-code or build my own FireHydrant clone from scratch?+
Our build verdict for FireHydrant is NO (use a free alternative, save the tokens). Instead of paying recurring SaaS fees for FireHydrant or rebuilding it from scratch, deploy one of the 3 battle-tested open-source alternatives like Keep.
What is the catch when switching from FireHydrant to Keep?+
Requires self-hosting setup, updates, and server maintenance compared to managed FireHydrant.
