swap_horiz OpenNMS Alternatives

1

testssl.sh

testssl.sh is an open source command-line tool designed for assessing website security. It automatically tests TLS confi...

Security Open Source CLI Website

9.1 Excellent

2

VictoriaMetrics

VictoriaMetrics is an open source time-series database ideal for organizations needing to collect and analyze metric dat...

Monitoring Metrics Open Source Time Series

9.1 Excellent

3

MeshCentral

MeshCentral is a powerful, open-source, web-based remote management platform that goes beyond traditional remote desktop...

Security Management Monitoring Open Source

8.8 Great

4

SpeedCurve

SpeedCurve is a web performance monitoring tool designed to analyze website speed and identify areas for improvement. It...

Performance Monitoring Web Synthetic

8.8 Great

5

Oh Dear

Oh Dear is a website analysis tool that assesses web performance and identifies issues affecting user experience. It sim...

Performance Monitoring Uptime Alerts

8.8 Great

6

Catchpoint

Catchpoint provides comprehensive network performance monitoring for websites and web applications. It measures response...

Performance Enterprise Network Web

8.7 Great

7

Dynatrace Synthetic Monitoring

Dynatrace Synthetic Monitoring provides continuous visibility into application performance. It uses automated probes to...

Monitoring Enterprise Apm Synthetic

8.7 Great

8

Cisco ThousandEyes

Cisco ThousandEyes provides comprehensive network visibility for businesses needing to understand how their online servi...

Enterprise Network Website Cisco

8.7 Great

9

Uptime Kuma

Uptime Kuma is an open source monitoring solution designed to track website uptime and performance. It achieves this thr...

Free Open Source Self Hosted Website

8.7 Great

10

Prometheus Blackbox Exporter

The Prometheus Blackbox Exporter is an open source HTTP service designed to gather deep performance data from web applic...

Monitoring Open Source Uptime Prometheus

8.7 Great

11

axe DevTools

Axe DevTools is a browser extension designed to assess website accessibility and performance. It provides developers wit...

Accessibility Browser Extension Developer Website

8.7 Great

12

Netdata

Netdata is an open source system for continuous monitoring of server infrastructure. It uses lightweight agents to colle...

Monitoring Open Source Self Hosted Real Time

8.6 Great

13

PRTG Network Monitor

PRTG Network Monitor is a comprehensive monitoring tool designed for IT professionals and network administrators. It pro...

Enterprise Network Infrastructure Uptime

8.4 Great

14

Centreon

Centreon is an open source network monitoring software designed for organizations needing comprehensive infrastructure o...

Monitoring Enterprise Open Source Network

8.3 Great

15

LibreNMS

LibreNMS is an open source network monitoring system designed for self-hosting. It provides real-time visibility into ne...

Monitoring Open Source Self Hosted Network

8.1 Great

16

Observium

Observium is an open-source network monitoring platform designed for managing infrastructure. It continuously collects d...

Monitoring Self Hosted Network Snmp

8.1 Great

17

Google Public DNS Uptime Record

The Google Public DNS is a free Domain Name System resolution service introduced by Google to improve browsing speed and...

Cloud Google Monitoring DNS

7.9 Good

18

Sensu

Sensu is an open-source tool that analyzes website performance by measuring key metrics like First Contentful Paint, Lar...

Monitoring Open Source Developer Observability

7.5 Good

19

ManageEngine OpManager

ManageEngine OpManager is a comprehensive network and server monitoring solution that provides real-time visibility into...

Monitoring Enterprise SAAS Network

7.2 Good

20

Munin

Munin is an open-source, real-time website monitoring tool that collects and visualizes server resource usage data, incl...

Monitoring Legacy Open Source Infrastructure

6.5 Fair