glogg - glogg is a multi-platform GUI application to browse and search through long or complex log files.
Hyperping - Cheap uptime and performance monitoring with detailed reporting and flexible alerting
klogg - klogg is the fork of glogg - the fast, smart log explorer.
UptimeRobot - Free Website Uptime Monitoring
LogViewPlus - Looking for a better log viewer? LogViewPlus is a professional log file viewer that can parse, read, tail, merge and analyze log files in any format. Remote log files (SFTP) and large files are supported. Easy configuration.
Simple Ops - Simplify website performance and uptime monitoring with alerting, ssl check, chrome ux metrics, multi locations