There are 2 repositories under x11-cursor topic.
Highlight mouse pointer/cursor using a dot - useful for presentations, screen sharing, ...
The Ultimate Cursor Converter
Adds system-wide Windows-like scrolling mode and conditional clicking using keyboard
Large software cursor for screen recording on X11
GNOME's Adwaita cursor theme in sizes 24, 30, ..., 96 and custom colors
A simple program for X11 window system that prents the cursor from crossing into another monitor when you do't want it to.
Mirrors X11 (Xserver) input events from one PC to multiple over the network
A customised Breeze Hacked cursor set for linux
Implementing a webcam-based Mouse interface driven by Facial Expressions.
Convert Windows cursors to Linux cursors
WarCraft III cursors (Undead theme)
an attempt to bring the deskthemepack experience to Debian and make the process easier for customization to foster greater adoption of Linux-based operating systems.
A 58x58 pixels custom cursor for X11 (aka Linux) with my GitHub avatar.
X11 tool that warps/moves the mouse to the Focused Window
My own variant of Posy's improved cursors for linux.
(WIP) Mice are bloat!! But for real, they are quire annoying, this allows me to use VIM keybinds to control the mouse