We need to know if there is any application that can be integrated with
CiscoWorks to help manage third party devices which do not support SNMP or any viable solution.
No, IP SLA has been around for a long time. It was first introduced in 11.2(18)P. It's undergone some name changes, though. It used to be called RTR (Round Trip Reporter). Then it was called SAA (Service Assurance Agent). Now it's IP SLA. Newer images require a feature set better than IPBASE, but it's quite ubiquitous in IOS.