The best free alternative to VRidge is iVRy. If that doesn't suit you, our users have ranked more than 10 alternatives to VRidge and 11 is free so hopefully you can find a suitable replacement. Other interesting free alternatives to VRidge are WiVRn, ALVR - Air Light VR, Bigscreen Beta and Intugame.
Use your iPhone, Android, GearVR, Oculus Mobile or Sony PSVR headset as a Virtual Reality Headset for your PC. Lets you run SteamVR & Oculus Rift PC VR titles without a dedicated PC VR headset.
Bigscreen enables people to watch videos in VR with friends through a variety of ways! Share your desktop screen, watch high quality, premium 3D movies, attend live rocket launch events, play your own video files using our new videoplayer feature, and much more!
Intugame VR lets you play PC games in Virtual reality. It uses your smartphone and a Virtual reality headset of your choice. You put your smartphone in the VR headset and press play. Our app takes care of the rest.
Use Steam VR-enabled applications with your phone as HMD (Head-mounted display). The only Open-Source solution to similar commercial packages like VRidge, Riftcat, Trinus etc etc. (https://github.com/ShootingKing-AM/PhoneVR).
VR Remote Desktop is a remote desktop client designed for Google Cardboard. Use it to control your computer using your phone in virtual reality.
The Android client for OpenVRCardboard (AndroidApp is intended to send gyroscope data to a socket server ) Socket server for recieving data from android OpenVR driver to exchange data between android and steamvr on pc, main target is linux
With the Gagagu VR-Streamer App in combination with the Gagagu VR-Streamer Server (available on http://www.gagagu.de for free) you are able to transfer the Image output from a game running on your Windows PC (only in windowed mode!) to your iPhone.
Play your PC games in 3D virtual reality. KinoVR turns your Android device into virtual reality viewer for PC with quality comparable to expensive PC VR headsets. Low-latency Full HD video streaming at 60 frames per second combined with accurate head tracking.
TrinusVR connects your Android phone to your PC so you can play your PC games in virtual reality.
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Unlike VRidge and Trinus, iVRy allows you to have an unlimited amount of time in VR without interrupting you. It only decreases the quality of the stream and color saturation. Although I haven't really tried out many other cheap VR alts, this one will defiantly be my temporary VR alt for now.