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.

Cisco DNA Center - Find and resolve network issues with Cisco DNA Center. Provides software-based network automation and assurance. Control and manage intent-based networks.

Oxidized - configuration backup software (IOS, JunOS) - silly attempt at rancid

Nmap - Nmap Free Security Scanner, Port Scanner, & Network Exploration Tool. Download open source software for Linux, Windows, UNIX, FreeBSD, etc.

RANCID - RANCID - Really Awesome New Cisco confIg Differ.

Ubiquiti Network Management System - Ubiquiti Network Management System manages all the EdgeMAX, EdgeSwitch, airMAX and UFiber devices.