The best free alternative to Unified Remote is KDE Connect, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 10 alternatives to Unified Remote and 19 is free so hopefully you can find a suitable replacement. Other interesting free alternatives to Unified Remote are TouchPortal (Freemium), Macro Deck (Free), Monect (Freemium) and Remote Mouse (Freemium).
Mobile Air Mouse instantly transforms your mobile device into a motion-based mouse, trackpad, and wireless remote for your computer! It uses the built-in accelerometer to translate your hand motions into mouse movements on your screen.
Install VMR Connect to your computer, that's it, you're ready! Play, Pause, Forward, Rewind, Volume, Full Screen, Shuffle and more. Netflix, Hulu, YouTube, Prime, HotStar etc Controls on your fingertips.
VNC client with various modes for keyboard (special keys included), mouse, etc. Can start vnc server through ssh (great to connect over the internet through ssh). Allow connecting to vnc servers on various platforms (standard protocol) to emulate the mouse, keyboard, etc.