UptimeRobot - Free Website Uptime Monitoring
Dr.Explain - Dr.Explain software is a help file authoring tool.
StatusPage.io - StatusPage.io is the best way for web infrastructure, developer API, and SaaS companies to get set up with their very own status page in minutes. Integrate public metrics and allow your customers to subscribe to be updated automatically.
WinCHM - Creating CHM file, Make CHM file, Web Help. WinCHM Pro - Help authoring software (CHM, WebHelp, DOC, PDF) . With this powerful tool you can not only create chm file from scratch, but also convert a set of existing HTML files to a chm file.
FreshStatus - Better status pages in 1-click, FREE FOREVER
Document360 - Self-service knowledge base software focused on SaaS Products & Enterprise Software Projects.