There are 3 repositories under always-on-top topic.
SmartSystemMenu extends system menu of all windows in the system
Smart context menu for all windows in the system
Utility for making windows always be on top, forcefully.
AIO Autohotkey script that can make any window pseudo-fullscreen by adding paddings over window borders and background. It can also move/resize windows and make them always on top.
Keep a website always-on-top and translucent. For Mac, Windows, and Linux.
Handbook is a versatile app designed to create small, movable, and easily concealable windows for quick use. Assist in managing RAM memory efficiently while providing quick access to essential information. With Handbook, users can seamlessly optimize their workflow by accessing necessary data without cluttering their screen space.
Music player for Mac, the windows always on top. Mac音乐播放器,窗口置顶。
Pinny Notes is a sticky note application with a button to "pin" a note making it always on top above other windows. A number of other handy tools are also available via a menu accessed by right clicking on the title bar.
WndTop is a tool that makes a window always on the top.
Just a nano python snippet for overlaying a crosshair on top of any window. Don't forget to set your CSGO game on window mode though.
A handy tool for quick grabbing and converting colour tints to hex values. Supports sRGB sRGB' and sRGB8.
A Windows utility that allows you to pin windows.
A bare bones web browser utility to constantly search the web for answers
Android Always on Display App
Frameless Browser that can be made sticky, e.g. always on top. So you have picture in picture.
A webcam overlay that stays on top. Save and load configurations for screen placement/sizings.
A chrome application as a plugin that opens a window on top of applications
the browser written in electron js has the ability to pin on the top of all windows, change transparency
Simple, minimal, small timer with always on top function
A widget for displaying time (accurate to milliseconds) which is always on the top of the screen.
Have any Windows window on top of others, including full screen applications, regardless of focus