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.

Kaizen - Kaizen is an ElasticSearch GUI for Windows, Mac and Linux, written in JavaFX as a cross-platform desktop application.

Keypirinha - A lightning fast and flexible keystroke launcher for Windows. No installation required (portable).

elasticsearch-gui - AngularJS Client for ElasticSearch as a plugin.

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.

LogFusion - Log fusion is a software that helps you to display and monitor your log files in real-time by relying on this lightweight application that features a massive range of useful function.