Watchflare

Spec sheet

Purpose

Watchflare is open-source, self-hosted server monitoring that collects host metrics and package inventory and sends alerts.Read 4 Oct 2026 · docs.watchflare.io

Deployment

The Hub can be deployed with Docker Compose or as a standalone binary, and the web dashboard is embedded in the Hub.Read 4 Oct 2026 · docs.watchflare.io

Integrations

Notifications can be sent by email or through Shoutrrr-supported channels including Discord, Slack, Telegram, Matrix, Ntfy, Gotify, and generic HTTP.Read 4 Oct 2026 · docs.watchflare.io

Security

The product documents TLS 1.3, HMAC-SHA256 signed requests with anti-replay, JWT sessions, and bcrypt passwords.Read 4 Oct 2026 · watchflare.io

Maker

The site credits Kilian PICHARD as the builder; the pages opened did not state a headquarters or founding year.Read 4 Oct 2026 · watchflare.io

Alerts

Users can set host-specific thresholds for CPU, memory, disk, load, and temperature, plus host-offline alerts.Read 4 Oct 2026 · docs.watchflare.io

Containers

Opt-in container monitoring reports per-container CPU, memory, and network metrics through Docker or Podman.Read 4 Oct 2026 · watchflare.io

Data control

The Hub and database run on infrastructure the user controls, and agents communicate only with the Hub; the maker says there is no usage tracking or telemetry.Read 4 Oct 2026 · docs.watchflare.io

License and support

Watchflare is licensed under AGPL-3.0, and the maker directs users to GitHub for issues and pull requests.Read 4 Oct 2026 · watchflare.io

Live metrics

Agents collect CPU, memory, disk, network, load, temperature, disk I/O, and swap metrics every 30 seconds.Read 4 Oct 2026 · watchflare.io

Outage handling

Agents buffer metrics in a configurable 10 MB default write-ahead log and replay them on reconnect; container metrics are not buffered.Read 4 Oct 2026 · watchflare.io

Package inventory

Watchflare scans about 30 package managers daily, records package changes, and detects available updates for supported managers.Read 4 Oct 2026 · docs.watchflare.io

Requirements

The Hub requires Docker Engine 20.10+ with Compose v2+ for the documented Docker deployment; Linux and macOS agents support x86_64 and ARM64.Read 4 Oct 2026 · watchflare.io

Storage

Metrics are stored in PostgreSQL with TimescaleDB, on a user-controlled Docker volume by default or an external TimescaleDB instance.Read 4 Oct 2026 · watchflare.io

Supported systems

The agent supports Linux with systemd and macOS through Homebrew; Windows support is planned.Read 4 Oct 2026 · watchflare.io

Plans and prices

Every Watchflare plan and price →

Where Specifiction places it

• Container Monitoring#37 of 497.5
• Server Monitoring#32 of 387.5