Open Source Website Monitoring Software

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11 apps

Datadog   

100
Cloud-Scale Monitoring Platform For Metrics, Traces, & Logs
Open Source
Starts at $15 per host per month. Pay-as-you-go or subscription terms available. Service includes unlimited integrations… Read more about Datadogper monitored host. 14-day free trial included in all plans. All plans include custom metrics and events. Pro plans include 13 months data retention, metric alerts, and email support.
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Cloud-Scale Monitoring Platform For Metrics, Traces, & Logs
Open Source
Starts at $15 per host per month. Pay-as-you-go or subscription terms available. Service includes unlimited integrations… Read more about Datadogper monitored host. 14-day free trial included in all plans. All plans include custom metrics and events. Pro plans include 13 months data retention, metric alerts, and email support.
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New Relic  

137
Performance testing and monitoring
Open Source
<strong>New Relic for Web Apps</strong> all new accounts start out with a free 14 day trail of Pro. Once trial period end… Read more about New Relics, your account will automatically be migrated to our Lite (free) subscription. Flexibly Pricing & Packages. <strong>New Relic for Mobile Apps</strong> all new accounts start out with a free 30 day trial of Enterprise. Once trial period ends, your account will automatically be migrated to our Lite (free) subscription. Standard starts at $29/month per app.
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Performance testing and monitoring
Open Source
<strong>New Relic for Web Apps</strong> all new accounts start out with a free 14 day trail of Pro. Once trial period end… Read more about New Relics, your account will automatically be migrated to our Lite (free) subscription. Flexibly Pricing & Packages. <strong>New Relic for Mobile Apps</strong> all new accounts start out with a free 30 day trial of Enterprise. Once trial period ends, your account will automatically be migrated to our Lite (free) subscription. Standard starts at $29/month per app.
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Zabbix  

46
Zabbix is the ultimate enterprise-level open source software designed for monitoring availability and performance of IT infrastructure components.
Open Source
Absolutely Free. Zabbix offers the freedom of using an open-source solution with no vendor lock-in and freely accessible… Read more about Zabbix source code. This includes not only Zabbix itself, but also required components (Linux, Apache, MySQL/PostgreSQL, PHP)
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Zabbix is the ultimate enterprise-level open source software designed for monitoring availability and performance of IT infrastructure components.
Open Source
Absolutely Free. Zabbix offers the freedom of using an open-source solution with no vendor lock-in and freely accessible… Read more about Zabbix source code. This includes not only Zabbix itself, but also required components (Linux, Apache, MySQL/PostgreSQL, PHP)
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Check_MK  

30
Infrastructure & application monitoring software
Open Source
Pricing is per service, i.e. per monitored metric, such as CPU utilization. Raw Edition: free forever Enterprise - Fr… Read more about Check_MKee Edition: limited to monitoring max. 10 hosts. Enterprise - Standard Edition: from €600 per year Enterprise - Managed Services Edition: from €1080 per year
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Infrastructure & application monitoring software
Open Source
Pricing is per service, i.e. per monitored metric, such as CPU utilization. Raw Edition: free forever Enterprise - Fr… Read more about Check_MKee Edition: limited to monitoring max. 10 hosts. Enterprise - Standard Edition: from €600 per year Enterprise - Managed Services Edition: from €1080 per year
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Hosted Graphite  

18
Scalable Application Metrics
Open Source
We offer everything from small plans for individual developers to gargantuan plans for Fortune 500 companies sending mill… Read more about Hosted Graphiteions of metrics every month. If you're currently running Graphite at scale, we can help - we collect millions of metrics and billions of datapoints a day.
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Scalable Application Metrics
Open Source
We offer everything from small plans for individual developers to gargantuan plans for Fortune 500 companies sending mill… Read more about Hosted Graphiteions of metrics every month. If you're currently running Graphite at scale, we can help - we collect millions of metrics and billions of datapoints a day.
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Site24x7  

30
All-in-one performance monitoring tool for DevOps and IT
Open Source
Get Started with a 30-day free trial. No Credit Card required. Pricing options are available in Yearly, Monthly and Ho… Read more about Site24x7urly models. STARTER Best suited for small teams. $10 /mo $9/mo PRO Best suited for medium sized teams. $39 /mo $35/mo ENTERPRISE Best suited for enterprises. $499 /mo $449/mo
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All-in-one performance monitoring tool for DevOps and IT
Open Source
Get Started with a 30-day free trial. No Credit Card required. Pricing options are available in Yearly, Monthly and Ho… Read more about Site24x7urly models. STARTER Best suited for small teams. $10 /mo $9/mo PRO Best suited for medium sized teams. $39 /mo $35/mo ENTERPRISE Best suited for enterprises. $499 /mo $449/mo
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TrueSight Pulse  

3
Real-time Infrastructure Monitoring-as-a-Service
Open Source
There are two tiers of the product with different features and integrations. The standard package is $8/mo with annual s… Read more about TrueSight Pulseubscription, $12/mo month-to-month. The advanced package is $12/$15. Further details on what is included with each plan are available on our website.
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Real-time Infrastructure Monitoring-as-a-Service
Open Source
There are two tiers of the product with different features and integrations. The standard package is $8/mo with annual s… Read more about TrueSight Pulseubscription, $12/mo month-to-month. The advanced package is $12/$15. Further details on what is included with each plan are available on our website.
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Cacti  

1
Network graphing RRDTool
Open Source
Cacti is an open source platform, users are encouraged to donate via the website. Read more about Cacti
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Network graphing RRDTool
Open Source
Cacti is an open source platform, users are encouraged to donate via the website. Read more about Cacti
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LinkTiger  

1
Broken link management system
Open Source
We offer plans based on the number of links your website(s) have. Our plans are monthly or annual. We offer a 15-day Free… Read more about LinkTiger Trial.
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Broken link management system
Open Source
We offer plans based on the number of links your website(s) have. Our plans are monthly or annual. We offer a 15-day Free… Read more about LinkTiger Trial.
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Outsourced NOC Services  

0
NOC software for 24/7 network monitoring and alerts
Open Source
Pricing is based upon the total number of network devices and metrics we monitor for you. There is a minimum monitoring… Read more about Outsourced NOC Servicesfee of $1,000 per month which includes roughly 40 network devices.
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NOC software for 24/7 network monitoring and alerts
Open Source
Pricing is based upon the total number of network devices and metrics we monitor for you. There is a minimum monitoring… Read more about Outsourced NOC Servicesfee of $1,000 per month which includes roughly 40 network devices.
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Proxy Sniffer  

0
IT Management
Open Source
One-time Licence, Subscription 
Free version allows so simulate up to 20 concurrent users, various licensing models appl… Read more about Proxy Sniffery after that (on-premise licensing, "Pay-As-You-Go" licensing via Amazon AWS
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IT Management
Open Source
One-time Licence, Subscription 
Free version allows so simulate up to 20 concurrent users, various licensing models appl… Read more about Proxy Sniffery after that (on-premise licensing, "Pay-As-You-Go" licensing via Amazon AWS
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