VDO.Ninja is a powerful tool that lets you bring remote video feeds into OBS or other studio software via WebRTC.

The best open source alternative to DroidCam is VDO.Ninja. If that doesn't suit you, our users have ranked more than 10 alternatives to DroidCam and five of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to DroidCam are VCamdroid, SmartCam, Spydroid and Audio Source.
VDO.Ninja is a powerful tool that lets you bring remote video feeds into OBS or other studio software via WebRTC.

VCamdroid is a Windows application that allows you to use your Android phone as a virtual webcam. It leverages a custom DirectShow filter, implemented using the Softcam library, to create a virtual webcam device on your Windows machine.
SmartCam - Smart Phone Web Camera - Turns a camera phone (S60, WinMo6.x, Android, Samsung Bada) with bluetooth or WiFi into a handy webcam ready to use with your PC.

Stream camera and microphone from your phone to your browser or vlc (HTTP or/and RTSP server). It also enables you to do some other interesting things.




Audio Source forwards Android microphone audio input to the PulseAudio daemon through ADB, so you can use your Android device as a USB microphone.



Just one app, that works on my pc properly