* [wsl2-auto-portProxy v2.0.0](https://github.com/HobaiRiku/wsl2-auto-portproxy) – Scans WSL2 listening ports and automatically configures Windows port proxying with a web UI, TCP support, optional UDP, and per-port IP allowlists.

* [portchecker.io v4.2.0](https://github.com/dsgnr/portchecker.io) – API for checking port availability on specified hostnames or IP addresses to assist network troubleshooting and firewall validation.