No direct ThousandEyes replacements listed yet
Open-source monitoring & observability tools. To compare with ThousandEyes.
60 open-source monitoring & observability tools
Uptime Kuma
Monitoring & Observability
A self-hosted monitoring tool
MITvs UptimeRobot★ 92k
Netdata
Monitoring & Observability
The fastest path to AI-powered full stack observability, even for lean teams.
GPL-3.0vs Datadog★ 81k
Grafana
Monitoring & Observability
The open and composable observability and data visualization platform. Visualize metrics,
AGPL-3.0vs Datadog★ 77k
Prometheus
Monitoring & Observability
The Prometheus monitoring system and time series database.
Apache-2.0vs Datadog★ 66k
Sentry
Monitoring & Observability
Developer-first error tracking and performance monitoring
OSSvs Rollbar★ 45k
Langfuse
AI Infrastructure
Trace, evaluate, and improve AI agents with one open platform. Use production data to unde
OSSvs Weights & Biases★ 35k
Changedetection.io
Monitoring & Observability
Best and simplest way to monitor websites for changes, change detection, website checker,
Apache-2.0★ 35kGlances
Monitoring & Observability
Glances an Eye on your system. A top/htop alternative for GNU/Linux, BSD, macOS and Window
OSS★ 34k
SigNoz
Monitoring & Observability
SigNoz Cloud is a one-stop observability tool built on top of OpenTelemetry. Get APM, logs
OSSvs Datadog★ 32k
Grafana Loki
Monitoring & Observability
Like Prometheus, but for logs.
AGPL-3.0vs Datadog★ 29k
Beszel
Monitoring & Observability
Lightweight server monitoring with historical data, Docker stats, and alerts.
MIT★ 26k
Jaeger
Monitoring & Observability
CNCF Jaeger, a Distributed Tracing Platform
Apache-2.0vs Datadog★ 23k
Vector
Monitoring & Observability
A high-performance observability data pipeline.
MPL-2.0vs Cribl★ 23k
OpenObserve
Monitoring & Observability
High-performance, unified observability for the AI era. 140x lower storage cost.
AGPL-3.0vs Datadog★ 22k
Opik
AI Infrastructure
Debug, evaluate, and monitor your LLM applications, RAG systems, and agentic workflows wit
Apache-2.0vs Weights & Biases★ 22k
Kibana
Monitoring & Observability
Your window into all of your data
OSSvs Splunk★ 21k
cAdvisor
Monitoring & Observability
Analyzes resource usage and performance characteristics of running containers.
OSS★ 19k
Telegraf
Monitoring & Observability
Agent for collecting, processing, aggregating, and writing metrics, logs, and other arbitr
MITvs Cribl★ 18k
VictoriaMetrics
Monitoring & Observability
VictoriaMetrics: fast, cost-effective monitoring solution and time series database
Apache-2.0vs Datadog★ 18k
Upptime
Monitoring & Observability
⬆️ GitHub Actions uptime monitor & status page by @AnandChowdhary
MITvs UptimeRobot★ 17k
System Informer
Monitoring & Observability
A free, powerful, multi-purpose tool that helps you monitor system resources, debug softwa
MIT★ 16k
Cachet
Monitoring & Observability
From startups to Fortune 500 companies, organizations worldwide trust Cachet to streamline
OSSvs Instatus★ 15k
Logstash
Data Pipelines & ETL
Logstash - transport and process your logs, events, or other data
OSSvs Cribl★ 15k
Dozzle
Monitoring & Observability
Realtime log viewer for containers. Supports Docker, Swarm and K8s.
MIT★ 15kBottom
Monitoring & Observability
Yet another cross-platform graphical process/system monitor.
MIT★ 14k
Thanos
Monitoring & Observability
Highly available Prometheus setup with long term storage capabilities. A CNCF Incubating p
Apache-2.0★ 14k
Pinpoint
Monitoring & Observability
APM, (Application Performance Management) tool for large-scale distributed systems.
Apache-2.0vs Dynatrace★ 14k
Nightingale
Monitoring & Observability
Nightingale is to monitoring and alerting what Grafana is to visualization.
Apache-2.0★ 13k
Gatus
Monitoring & Observability
Create beautiful, automated status pages with advanced monitoring. Track HTTP, DNS, TCP en
Apache-2.0vs UptimeRobot★ 12k
Keep
Monitoring & Observability
The open-source AIOps and alert management platform
OSSvs BigPanda★ 12k
Arize Phoenix
AI Infrastructure
AI Observability & Evaluation
OSSvs Weights & Biases★ 12k
Pyroscope
Monitoring & Observability
Continuous Profiling Platform. Debug performance issues down to a single line of code
AGPL-3.0vs Datadog★ 12k
Quickwit
Monitoring & Observability
Cloud-native OSS search engine for observability
Apache-2.0vs Datadog★ 12k
Checkmate
Monitoring & Observability
Checkmate is an open-source, self-hosted tool designed to track and monitor server hardwar
AGPL-3.0vs UptimeRobot★ 11k
Spug
CI/CD & DevOps
Spug is a lightweight agent-free automatic operation and maintenance platform designed for
AGPL-3.0vs AWS CodeDeploy★ 11k
Healthchecks
Monitoring & Observability
Open-source cron job and background task monitoring service, written in Python & Django
BSD-3-Clausevs Cronitor★ 10k
Nezha
Monitoring & Observability
:trollface: Self-hosted, lightweight server and website monitoring and O&M tool
Apache-2.0vs UptimeRobot★ 10k
HyperDX
Monitoring & Observability
Resolve production issues, fast. An open source observability platform unifying session re
MITvs Datadog★ 9.9k
Prometheus Operator
Monitoring & Observability
Prometheus Operator creates/configures/manages Prometheus clusters atop Kubernetes
Apache-2.0★ 10k
Sentry
Monitoring & Observability
How you can run all of Sentry on your own server, without paying anything.
OSSvs Sentry★ 9.6k
Highlight.io
Monitoring & Observability
Highlight gives your team full transparency into the errors, interactions, and performance
OSSvs Sentry★ 9.4kMangoHud
Monitoring & Observability
A Vulkan and OpenGL overlay for monitoring FPS, temperatures, CPU/GPU load and more.
MIT★ 9.1k
OpenStatus
Monitoring & Observability
🫖 Status page with uptime monitoring & API monitoring as code 🫖
AGPL-3.0vs Pingdom★ 9.2k
Alertmanager
Monitoring & Observability
Prometheus Alertmanager
Apache-2.0vs xMatters★ 8.6kScrutiny
Monitoring & Observability
Hard Drive S.M.A.R.T Monitoring, Historical Trends & Real World Failure Thresholds
MIT★ 8.3k
Graylog
Monitoring & Observability
Free and open log management
OSSvs Splunk★ 8.2k
Coroot
Monitoring & Observability
Coroot is an open-source observability and APM tool with AI-powered Root Cause Analysis. I
Apache-2.0vs Datadog★ 7.9k
OneUptime
Monitoring & Observability
Complete open-source monitoring and observability platform.
OSSvs Datadog★ 7.7k
OpenTelemetry Collector
Monitoring & Observability
OpenTelemetry Collector
Apache-2.0vs Cribl★ 7.6k
Apache HertzBeat
Monitoring & Observability
AI-powered open source real-time monitoring system for metrics, logs, alerts, and observab
Apache-2.0vs Datadog★ 7.4kFlower
Monitoring & Observability
Real-time monitor and web admin for Celery distributed task queue
OSS★ 7.2k
MeshCentral
Networking & VPN
A complete web-based remote monitoring and management web site. Once setup you can install
Apache-2.0vs TeamViewer★ 7.3kNvitop
Monitoring & Observability
An interactive NVIDIA-GPU process viewer and beyond, the one-stop solution for GPU process
Apache-2.0★ 7.2k
GreptimeDB
Databases
GreptimeDB open source: metrics, logs, and traces share one table model on a columnar engi
Apache-2.0vs Elastic★ 6.7k
OpenCost
Monitoring & Observability
Cost monitoring for Kubernetes workloads and cloud costs
Apache-2.0★ 6.8k
Pulse
Monitoring & Observability
Pulse brings Proxmox, Docker, Kubernetes, TrueNAS, and vSphere into one self-hosted worksp
MIT★ 6.8k
Suricata
Security
Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network
GPL-2.0vs Palo Alto Networks★ 6.7k
Pixie
Monitoring & Observability
Instant Kubernetes-Native Application Observability
Apache-2.0vs Datadog★ 6.5k
Zabbix
Monitoring & Observability
Real-time monitoring of IT components and services, such as networks, servers, VMs, applic
AGPL-3.0vs Datadog★ 6.4k
Komari
Monitoring & Observability
A simple server monitor tool.
MITvs Site24x7★ 6.3k
See every monitoring & observability tool or the ThousandEyes listing.