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Self-hosted, easily-deployable monitoring and alerts service - like a lightweight PagerDuty.
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Cachet is a free, open source status page for your API, service or company. Built with all of the features that you'd expect from a status page.
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The all-in-one monitoring tool.
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Troubleshooting just got easier.
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PHP Server Monitor is a script that checks whether your websites and servers are up and running.
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GitHub-powered open-source uptime monitor and status page.
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A simple tool to check if a website or ip address is up or down.
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A modern Open-source Node.js status page tool, designed to make service monitoring and incident handling a breeze.
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RPi-Monitor is a tool that provides all the connected system peripherals properties and current metrics.
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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.
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SPFtoolbox is a Javascript and PHP app to look up DNS records such as SPF, MX, Whois, and more.
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A secure cloud management platform for automation, orchestration, cost and usage monitoring of public and private clouds. Provides multi-cloud RBAC. Enables self service provisioning. Cost analysis and cloud spending optimization.
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Staytus is a free, open source & beautiful status site that you can install on your own servers. It's a fully-loaded with all the features you'd expect from any site you might pay for.
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RSSHub is an open source, easy to use, and extensible RSS feed aggregator, it's capable of generating RSS feeds from pretty much everything.
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urlwatch monitors webpages for you.
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An online news feed reader designed for mobile devices. To get started, just enter the URL of a website that has a news feed.
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a Java library of graph theory data structures and algorithms.