ManageEngine Network Configuration Manager

Network Configuration Manager is a multi-vendor, network change, configuration and compliance management solution for switches and routers.
Oxidized

configuration backup software (IOS, JunOS) – silly attempt at rancid.
LanTopoLog

Automatic physical network topology discovery based on SNMP. Network traffic monitoring.
NetDisco

Netdisco is an Open Source web-based network management tool first released publically in 2003.
Backbox.co

Automated backup and recovery for all your security and networking devices in one place.
Unimus

Unimus is a Network Automation and Configuration management (NCM) solution designed for fast deployment network-wide and ease of use. Unimus does not require learning any abstraction or templating languages, and does not require any coding skills.
rConfig

rConfig is a free open source network device configuration management utility for network engineers…
RANCID

RANCID – Really Awesome New Cisco confIg Differ.
GenieACS

A fast and lightweight TR-069 Auto Configuration Server (ACS).
EasyCwmp

EasyCwmp is a GPLv2 open source implementation of the TR069 cwmp standard.