1)   WinAgents IOS Config Editor 2.0
WinAgents IOS Config Editor is a text editor specially designed for editing configuration files for the Cisco routers. It allows editing router's config files, backing up configurations, watching SYSLOG events and managing your routers from one place

 2)   Cirrus Configuration Manager 3.5
Cirrus is an affordable, easy-to-use network change and configuration management solution that automates device configuration management across multi-vendor network infrastructures.