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Alt/Super+Tab can also be navigated with WASD and hjkl. Q just closes the selected item and only the first window will be raised on app activation. Optionally, only show windows from the current workspace or monitor and remove the slight popup delay.
No longer maintained. Starting with GNOME 40 'Tweaks-in-system-menu' also supports the extensions app. Please use that https://extensions.gnome.org/extension/1653/tweaks-in-system-menu/
An extension which adds a Windows-like snap assist to GNOME. It also expands GNOME's 2 column tiling design and adds more features. Check out the settings on how use this extension or on how to get help.