system
Enhance system features or add a new one
160WIFI 
A WiFi virtual router app, neat & free.
An all-in-one system optimization unity.
Resize, move, extend, merge and split partitions without data loss to maximize disk space use
Add action effects to your windows globally to improve your operating efficiency
Modify processes priority on network traffic and help to reduce ping.
Dism++ 
First CBS-based Dism GUI implementation globally.
Ditto 
Clipboard manager.
EarTrumpet 
Adjust volume for all apps individually.
Version compatible with Windows 8.1 available on GitHub. RS 2 users are suggested to install from Windows Store
Customize and add several tools to the context menu of Windows File Explorer.
A portable solution for complete uninstallation.
Completely remove your installed programs without leftovers.
A convenient unified display of the most relevant technical and tag data for video and audio files.
Enhanced task manager which allows you to terminate some critical processes.
Multi-purpose tool that helps you monitor system resources, debug software and detect malware.
Adjust processes priority to prevent CPU unresponsing on some devices
Yet another file previewer on Windows using space key, free and open source
An environment variables editor
Open Cortana searches with your default browser.
A Windows quick look tool acting just like the one in macOS but more powerful, customizable and faster.
SharpKeys
A utility that manages a Registry key that allows Windows to remap one key to any other key.
Optimize your startup process by delaying applications from starting up as soon as you log into your computer based on your CPU/disk status
SwitchHosts 
Manage & switch between hosts files easily with online hosts support.
Use a dockable window to display cuurent traffice speed, CPU & RAM usage
Traymond
A really simple to minimize other apps to system tray.
Adjust Windows appearance and behaviors.
A disk usage statistics viewer and cleanup.
Enhanced your WMP significantly.