There are 4 repositories under wifi-p2p topic.
An open source Google Files alternative for Android
An Android app to enable infrastructure-less communication using WIFI-Direct.
an android app to turn on a wifi-p2p hotspot on devices
Android app to share files securely via best available method automatically detected from Direct connection (WiFi Direct, BT, etc), Local Network, Internet or Relay Server
Wifiota - share WiFi p2p in exchange for iota on android
Android library for wireless communication using either BLE or WiFi P2P (WiFi Direct). With BLE communication, this library allows one to connect and communicate with multiple devices simultaneously. Demo video: https://www.youtube.com/watch?v=fJcaodm1W5c&t=8s
Simple Android app illustrating file transfer from peer to peer using WiFi Direct