Keypirinha - A lightning fast and flexible keystroke launcher for Windows. No installation required (portable).
Wox - An effective launcher for windows. A full-featured launcher, access programs and web contents as you type. Be more productive ever since. Wox is free for use and open-sourced at Github, Try it now! Download .
Gnome Do - Simple, sleek, swift, smart. Do. GNOME Do allows you to quickly search for many items present on your desktop or the web, and perform useful actions on those items. GNOME Do is inspired by Quicksilver & GNOME Launch Box.
Pixie - Pixie is a free, open source web application that will help you quickly create your own website. Many people refer to this type of software as a content management system (cms), we prefer to call it a small, simple, website maker.
dmenu - dmenu is a dynamic menu for X, originally designed for dwm.
Albert - Omnilauncher for Linux to help you quickly find and run apps and do other useful things.