Gnome Do
Synapse
DockbarX
Keypirinha
Gnome-Pie
Listary
Ulauncher
Cairo-Dock
cheat
TLDR pages
cheat.sh
explainshell
Linux man-pages
CheatKeys
KeyClu
Kmdr
Gnome DoGnome Do is recommended for Linux users who enjoy customizing their workflow, prefer keyboard-driven interfaces, and are looking for a powerful and flexible application launcher to boost their productivity. It is particularly suited for developers, IT professionals, and power users who frequently work with multiple applications and need to streamline their desktop interactions.
Synapse - Synapse is a semantic launcher written in Vala that you can use to start applications as well as find and access relevant documents and files by making use of the Zeitgeist engine.
TLDR pages - The TLDR pages are a community effort to simplify the beloved man pages with practical examples.
DockbarX - DockbarX is a standalone dock that groups and launches applications.
cheat.sh - The only cheat sheet you need Unified access to the best community driven documentation
Keypirinha - A lightning fast and flexible keystroke launcher for Windows. No installation required (portable).
explainshell - Match command-line arguments to their help.