KISS Launcher - KISS is a fast launcher for your Android.
DockbarX - DockbarX is a standalone dock that groups and launches applications.
Tesla Unread - A plugin for Nova Launcher for notification badges
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.
Slim Launcher - Slim launcher is a minimalistic launcher that allows you to use fewer apps on your phone.
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.