The PAN-OS SDK for Python is a package to help interact with Palo Alto Networks devices (including physical and virtualized Next-generation Firewalls and Panorama). The pan-os-python SDK is object oriented and mimics the traditional interaction with the device via the GUI or CLI/API.
A GlobalProtect VPN client for Linux and macOS, written in Rust, based on OpenConnect and Tauri, supports SSO with MFA, YubiKey, and client certificate authentication, etc.
Topolograph.com is an online project which can visualize OSPF/ISIS topology based on LSDB output from a single network device. Then you can not only see (and check) the shortest path from source to destination, but also see the outcome from link or node failure along the path to the destination.