Alternatives to SpaceWalker

Virtual monitor for screen sharing

Control your tools with a few keystrokes

Virtual workspace manager

Display management tool

Adaptive brightness for external displays

View Spaces / Virtual Desktops in the menu bar

Desktop virtualization software

View output from scripts in the menu bar

Screenshot tool

Drivers for DisplayLink docks, adapters and monitors

Menu bar app to monitor graphics card usage

Create multiple virtual desktops, each with unique files, wallpaper and widgets