There are many alternatives to Synapse for Linux and since it's discontinued a lot of people are looking for a replacement. The best Linux alternative is Wox Launcher, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to Synapse and 15 are available for Linux so hopefully you can find a suitable replacement. Other interesting Linux alternatives to Synapse are ueli, Ulauncher, Cerebro and Albert.
Wox is an open-source launcher for macOS, Linux, and Windows. It keeps local search, keyboard-first actions, and an extensible plugin system in one focused input.
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Developed with the Electron framework, ueli is the type of tool that adopts simplicity, leaving out any unnecessary options and configuration settings. It creates an icon in the system tray at startup, where it sits silently throughout its runtime, without disturbing you with...
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Cerebro is an open source and free electron-based productivity software alternative to Alfred and Spotlight. It is focused on speed and good UI and UX. In most cases you don't even need to open another application, because you can see results right in Cerebro, like google...
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Albert is a C++/Qt based desktop agnostic keyboard launcher that helps you to accomplish your workflows in a breeze. Its goals are usability and beauty, performance and extensibility.
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GNOME Do allows you to quickly search for many items present on your desktop or the web, and perform useful actions on those items.
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dmenu is a dynamic menu for X, originally designed for dwm. It manages large numbers of user-defined menu items efficiently.
Slingshot is the lightweight and stylish app launcher designed for elementary OS .
The Application Finder is a program to find and launch installed applications on your system, and quickly execute commands.
Launch Box is generally an application launcher. It's very influenced by Quicksilver for Mac OSX. Remember that this is only a first release so don't get your hopes up too much. Launch Box is written for the GNOME 2.10 platform and depends on GTK+ 2.
