Top 12 Open-Source Alternatives to Oh Dear!

The top open-source alternatives to Oh Dear! are Healthchecks.io, Datadog, and Monika. One of the criteria for ordering this list is the number of mentions that products have on reliable external sources. You can suggest additional sources through the form here.

Healthchecks.io Landing Page
1

Healthchecks.io

Monitor your cron jobs and scheduled tasks, get notified when they fail.
Pricing:
- Open Source
- Freemium
- $20.0 / Monthly (100 checks, 10 team members)
#Cron Monitoring #Cron #Website Monitoring 154 social mentions
Datadog Landing Page
2

Datadog

See metrics from all of your apps, tools & services in one place with Datadog's cloud monitoring as a service solution. Try it for free.
Pricing:
- Open Source
- Freemium
- Free Trial
- $15.0 / Monthly (per host)
#Monitoring Tools #Log Management #Error Tracking 5 social mentions
Monika Landing Page
3

Monika

Get notified from whatever app you want (Telegram, Slack, etc) when your website or API is down based on HTTP status code or content of the response, or when your server is slow.
Pricing:
- Open Source
#Productivity #Open Source #Developer Tools
Fathom Analytics Landing Page
4

Fathom Analytics

Simple, trustworthy website analytics (finally)
Pricing:
- Open Source
- $14.0 / Monthly (100,000 Pageviews)
#Open Source #Analytics #Privacy 58 social mentions
Grafana Landing Page
5

Grafana

Data visualization & Monitoring with support for Graphite, InfluxDB, Prometheus, Elasticsearch and many more databases
Pricing:
- Open Source
#Data Dashboard #Data Visualization #Data Analytics 197 social mentions
Sematext Landing Page
6

Sematext

Troubleshooting just got easier.
Pricing:
- Open Source
- Freemium
- Free Trial
#Infrastructure Monitoring #Server Monitoring #Log Management 6 social mentions
Zabbix Landing Page
7

Zabbix

Track, record, alert and visualize performance and availability of IT resources
Pricing:
- Open Source
- Free
#Monitoring Tools #Performance Monitoring #DevOps Tools 5 social mentions
AWS Config Landing Page
8

AWS Config

Cloud Monitoring
Pricing:
- Open Source
#Cloud Infrastructure #Cloud Monitoring #Website Monitoring 17 social mentions
Instatus Out Landing Page
9

Instatus Out

Monitor services in your menu bar
Pricing:
- Open Source
#PC #Linux #Windows
Prometheus Landing Page
10

Prometheus

An open-source systems monitoring and alerting toolkit.
Pricing:
- Open Source
#Monitoring Tools #Performance Monitoring #Log Management 224 social mentions
Nagios Landing Page
11

Nagios

Complete monitoring and alerting for servers, switches, applications, and services
Pricing:
- Open Source
#Monitoring Tools #Performance Monitoring #Log Management
Netdata Landing Page
12

Netdata

Monitor your servers, containers, and applications, in high-resolution and in real-time.
Pricing:
- Open Source
- Freemium
- Free Trial
- $3.0 / Monthly (Netdata Pro, $3 /Node /mo - Netdata Business, $4 /Node /mo )
#Monitoring Tools #Performance Monitoring #Incident Management 5 social mentions