Alternatives to KDocker for all platforms with any license

RBTray

Allows almost any program to be minimized to the system tray by right clicking its minimize button.
- Discontinued
  Last update is from 2015 but the project has been forked: https://github.com/benbuck/rbtray
Free Open Source Windows PortableApps.com
Portable Add a feature

31 Like
4t Tray Minimizer

4t Tray Minimizer is a lightweight but powerful window manager, which helps you to free up space on the desktop and the taskbar via the following actions: ...

Freemium Windows
Support for Keyboard Shortcuts On top Add a feature

18 Like
SmartSystemMenu

SmartSystemMenu extends system menu of all windows in the system. It appends next custom items to menu: * Information. Shows a dialog with information of the...

Free Open Source Windows
Sits in the System Tray System Tweaker On top Add a feature

3 Like
DM2

DM2 provides several Windows enhancements that may help in every-day work. One of the nicest and most popular features of DM2 is minimizing windows to floating...
- Discontinued
  Last version is from 2007
Free Open Source Windows PortableApps.com
Portable Add a feature

24 Like
GhostTile

Features Hide running applications from Dock. Multiple ways: Drag & Drop Select from /Applicaton folder Click icon on Dock Per...

Commercial $ $ $ Mac
No features added Add a feature

2 Like
Clicky Gone

Clicky Gone allows you to hide your selected windows from view, this includes the taskbar button associated with the application. This utility particularly helps with...

Free Open Source Windows PortableApps.com
Portable Add a feature

2 Like
TrayIt!

TrayIt! - minimize to the system icon tray any program (Outlook Express, Notepad, Word, Internet Explorer, Sunbird, Thunderbird, Opera, OpenOffice etc.) and get more...
- Discontinued
  The official website is no longer available. Last version, 4.6.5.5, released on June 2008, can be still downloaded from Softpedia.
Free Windows
Transparency On top Add a feature

6 Like
FireTray

FireTray is system tray extension for Linux and Windows that targets Mozilla Firefox, Thunderbird...
- Discontinued
  The developer announced in December 2015 that the extension was no longer developed: https://foudil.fr/blog/209/the-web-is-not-the-platform/ The extension still works on XUL-based Firefox forks like https://alternativeto.net/software/waterfox/ and https://alternativeto.net/software/palemoon/
Free Open Source Windows Linux Waterfox Pale Moon Thunderbird ... SeaMonkey Firefox
Customizable Firefox Extensions Legacy Firefox Addon Add a feature

10 Like
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stalonetray

Stalonetray is a stand-alone system tray (notification area) for X Window System/X11. Working with virtually any EWMH-compliant window manager, it has minimal build and...

Free Open Source Linux openSUSE Arch Linux Openbox Fedora ... Ubuntu Compiz Debian X11 Enlightenment Xmonad
Notifications X server Add a feature

1 Like
PowerMenu

PowerMenu is a small application that some extra menu items to the windows control menu in addition to the standard "Close", "Maximize", etc options....
- Discontinued
  The app is no longer updated, but it can be still downloaded from the official website.
Free Windows Windows Explorer
Transparency On top Add a feature

16 Like