There are 2 repositories under windows-logon topic.
Able to run application in windows logon screen
Windows Credential provider
A user-friendly and powerful tool to analyze Windows Security Events
Add a way to allow WECHAT QRCODE scan to logon into Windows Operating System via Credential Provider
A plugin for the pGina Fork that allows a Time-based One-Time Password for Windows Logon using the Google Authenticator App.