Keypirinha - A lightning fast and flexible keystroke launcher for Windows. No installation required (portable).
Direct Folders - Access your folders from anywhere
Gnome-Pie - Gnome-Pie is a circular application launcher for Linux.
Quick Access Popup - Speed up your work with this multi-purpose Windows launcher and folder switcher.
Slingshot launcher - Lightweight, stylish Launcher for Elementary OS
CSV Buddy - CSV Buddy helps you make your CSV files ready to be imported by a variety of software.