What is ~ keyboard shortcut for?

Extended Mapedit - (hold) Show XObject usage statistics in the status bar  

Mame - Toggle the on-screen display  

Pop!_OS - Browse the filesystem  

Vim - Switch case  

Windows Calculator - Select Not  

Zsnes - Fast Forward  

Adobe Acrobat 2017 (Mac) - Open Output Preview  

Adobe Acrobat 2017 (Windows and Unix) - Open Output Preview  

3D Coat - Quick panel  

Adobe Photoshop (macOS) - Toggle composite and grayscale mask in Quick Mask mode  

Adobe Photoshop CC - Toggle composite and grayscale mask in Quick Mask mode  

Autodesk Maya 2019 - Displays both the original (proxy) and the smoothed mesh  

Blender - View all layers  

Harmony 20 - Onion skin: No previous  

Harmony 20 (macOS) - Onion skin: No previous  

LightWave 3D - Bend  

Alfred 4 - Navigate to home folder  

Alfred 4 - Navigate to home folder  

IDA Pro 7.4 - Bitwise negate  

IDA v7.0 Free (macOS) - Operand type > Bitwise negate  

Virtual Key Codes - (Used for miscellaneous characters; it can vary by keyboard. For the US standard keyboard, the '`~' key) VK_OEM_3 (0xC0)  

Gmail - Go to previous Inbox section  

AI War Classic - Go to most recent Flare  

BeamNG - Toggle system console  

Black Desert Online - Quest journal  

Blood - Weapon jab  

Cataclysm: Dark Days Ahead (PC) - Whitelist enemy  

Cataclysm: Dark Days Ahead (PC) - Add default ruleset  

DayZ - Toggle Hotbar (Hide/View)  

Destiny 2 - Switch Weapon  

Diablo II - Toggles the display for belts larger than 1 x 4  

Diablo II: Resurrected - Show belt  

Don't Starve (PC) - Console  

FiveM - Adjust your voice to whisper / normal / shout  

FlightGear - Select all engines  

GemCraft - Chasing Shadows - Drop highlighted gem to inventory  

Jagged Alliance 2 (version 1.13) - Toggle between TEAM and INVENTORY panels  

Jagged Alliance 2 (version 1.13) - Enter / Exit merc / vehicle inventory  

Kenshi (PC) - Select all characters in squad  

League of Legends - Hold down to select or target only champions when using champion abilities or summoner spells  

Mount & Blade II: Bannerlord - View character  

Portal 2 - Toggle developer console  

Roblox - Backpack  

Space Engineers (PC) - Unequip  

Space Engineers (PC) - Console  

Strike Commander - Engine shutoff  

The Forest - Open console  

The Sims 4 - Pause Sims 4  

Timberborn - Change speed  

UBOAT - Open / Close console  

Unturned - Put away what is in your hands  

Unturned - Dequip item  

Zimbra Web Client - Assistant  

Freshdesk - Close a ticket  

Freshdesk - Close a ticket  

REAPER - View: Toggle track zoom to maximum height  

REAPER - Channel: Show all channels  

TickTick - Add task to certain list