Best Self-hosted Monitoring & Observability tools in 2026
103 self-hosted open source alternatives in this category
See also:
Backup & RecoveryCompute & Virtualization (VM/Hypervisor Management)Container Management (Docker & Stacks)Core Network Services (DNS, DHCP, IPAM)Edge & Traffic (Reverse Proxy, Load Balancing, Web Servers)Messaging & Event Streaming (Brokers/Queues)Orchestration & Scheduling (Kubernetes & Alternatives)Self-Hosting Platforms & Control PanelsStorage Services (File/Object)103 services found
Dockwatch
Web UI for automated Docker container updates and notifications
Dockwatch provides a web UI to monitor Docker containers, schedule and apply image updates, send configurable notifications, run commands, and perform mass container maintenance.
Fail2Ban-Report
Web dashboard for Fail2Ban logs and centralized UFW blocklist management
Lightweight PHP dashboard that converts Fail2Ban logs into searchable JSON reports and centralizes UFW-based blocklist control with HTTPS-based multi-server sync.
LogForge
Developer-focused monitoring and alerting for Docker containers
Self-hosted Docker monitoring: real-time logs, per-container terminals, rules-based alerts and safe auto-remediation for developer teams.
miniboard
Lightweight self-hosted dashboard with uptime monitoring
Go-based lightweight dashboard with tabs, panels, uptime monitoring and notifications; configurable via GUI or YAML, runs as Docker container or single binary.
MQTT Web Interface
Real-time web UI for visualizing and interacting with MQTT message flows
Open-source web application to monitor MQTT topics, publish messages, visualize real-time message flows, and persist messages with configurable SQLite storage. Docker-ready.
PortChecker
Lightweight API and web UI to check TCP port availability
Open-source API and web interface to test TCP port availability for hostnames and IPs. Docker-ready, minimal dependencies, and exposes Prometheus metrics for monitoring.
Guardian
Plex session monitoring and device access control platform
Open-source companion app for Plex Media Server to monitor live streams, enforce per-user device access, and automate session blocking with notifications and schedules.
Meshping
Ping-based latency monitoring, traceroutes, and visual network mapping
Meshping measures per-target ICMP latencies, builds histograms and heatmaps, runs traceroutes with Path MTU discovery, draws SVG network maps, and exposes Prometheus metrics.
Monitarr
Minimal web UI to monitor Sonarr and Radarr download queues
Simple Next.js dashboard that displays Sonarr and Radarr download progress and queue status, with optional Docker deployment and subpath support.
GlitchTip
Open-source Sentry-compatible error tracking and observability
Open-source error tracking, performance monitoring and uptime checks compatible with Sentry SDKs; available self-hosted or as a hosted SaaS.
SIP3
SIP and VoIP QoS monitoring with call flow analytics
Self-hosted platform for capturing SIP/RTP traffic, analyzing call flows, and monitoring VoIP quality metrics with dashboards and alerts.
Telebugs
Self-hosted error tracking system and Sentry alternative
Lightweight, self-hosted error tracker compatible with Sentry SDKs. Docker-based install, SQLite-backed, PWA notifications, one-time purchase with unlimited events.
Webcap
Self-hosted web page archiving and screenshot capture
Webcap is a self-hosted tool to capture, screenshot, and archive web pages for later reference, sharing, and documentation.