Top 6 cisco-ios open source projects

genie.libs contains libraries for configuring, retrieving and testing topologies

Cisco ACI, Firepower, Meraki, NETCONF, and SQL Python Programs

Various pyATS-based Test Automation Scripts

A Cisco Cheatsheet: Commands and Snippets for bootstrapping, boilerplate, configuration, and hardening of Cisco routers and switches.

CCIE routing and switching notes and references, with a general directory and specific topic directories.

Ansible Network Collection for Cisco IOS