1)   ManageEngine Applications Manager 6
Applications Manager is a web-based monitoring tool that manages applications, servers, databases, systems, services, websites, and JMX/SNMP-based custom applications in a complex IT infrastructure. It also offers fault and performance management.

 2)   Website Monitoring Expert 4.5.8
Website Monitoring Expert is a multithreaded website monitoring tool, watching different protocols, including HTTP(S), SMTP, POP3, FTP, TCP. It can log the server performance, generate real-time reports, and notify you upon detection of problem or error.