Alternatives to Synapse for all platforms with any license

Listary

Listary is a revolutionary search utility for Windows that makes finding your files and launching applications blazing fast, for casual and power users alike!.

Freemium $ $ $ Windows PortableApps.com Windows Explorer
Windows Explorer integration Export to Excel Integrated Search Portable ... Quick Switch Windows Explorer extension Add a feature

187 Like
Alfred

Alfred is a quicklaunch application for Mac OS X, which aims to save you time in searching your local computer and the web.

Freemium Mac
Program Launcher File-search Workflow Automation Add a feature

218 Like
Keypirinha

A lightning fast and flexible keystroke launcher for Windows. No installation required (portable). Extensible with Python3 plugins.

Free Windows
Lightweight Program Launcher Calculus solving Customizable ... Easy to add / edit categories Optimized for fast boot File-search Portable Add a feature

95 Like
RocketDock

RocketDock is a Mac OS X dock clone. It provides a nice clean interface to drop shortcuts on for easy access and organization. With each item completely customizable...

Free Windows
Program Launcher Add a feature

273 Like
- Discontinued The program is no longer updated, but last version, 1.3.5, released in September 2008, can be still downloaded from the official website.
Find And Run Robot

FARR also lets you quickly run web searches, send email, manipulate files, control on-screen windows, and much more. Build and share custom commands or install plugins...

Freemium Windows
Program Launcher Customizable Plugin API Portable Add a feature

101 Like
CerebroApp

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...

Free Open Source Mac OS X Windows Linux
Electron based Extensible by Plugins/Extensions Add a feature

28 Like
Gnome 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...

Free Open Source Linux
Program Launcher Add a feature

175 Like
- Discontinued The program seems to be no longer updated. Last version, 0.95.3, released on November 2014, can be still downloaded from Launchpad.
- Synapse, Kupfer, and Gnome Do are the three leaders in this category. Guest • Aug 2015 • 1 agrees and 0 disagrees
RecentX

RecentX is an innovative launcher that gives you instant access to your files, folders, programs, websites & clipboard history. It automatically remembers your...

Commercial Windows
Program Launcher File-search Bookmark History Clipboard monitoring ... Drag n drop Duplicate Files Finder Windows Explorer integration File tagging Folder-Search Folder Tagging Indexed search Local Search Portable Image Preview Tabbed interface Tag based Add a feature

92 Like
Executor

A multi purpose launcher and more advanced and customizable freeware windows run replacement and more. Executor is available also as a portable app and can be integrated...

Free Windows
Customizable Program Launcher Portable Add a feature

76 Like
- Discontinued The program is no longer updated. Latest version, 0.99.12b, released in October 2013, can be still downloaded from the official site, but it isn't fully compatible with Windows 10.
Quicksilver

Quicksilver is a fast and free Mac OS X productivity application that gives you the power to control your Mac quickly and elegantly. Quicksilver learns your habits...

Free Open Source Mac OS X
Program Launcher Add a feature

111 Like
Albert

Omnilauncher for Linux to help you quickly find and run apps and do other useful things.

Free Open Source Linux
Program Launcher Customizable Lightweight Add a feature

23 Like
kupfer

Kupfer is a command tool heavily inspired by Quicksilver ; you do not use it to search your files, you use it to summon an...

Free Open Source Linux
Program Launcher Configurable Extensible by Plugins/Extensions Support for Keyboard Shortcuts Add a feature

36 Like
- Kupfer, though its development is stalled, is still very usable under current Ubuntu versions. Guest • Aug 2015 • 1 agrees and 0 disagrees
- Realy fast, doesn't crash like Synapse on xubuntu 16.04.5. Guest • Feb 2018
LaunchBar

LaunchBar is a smart and powerful, keyboard driven productivity utility that lets you access and control every aspect of your digital life. Whatever you want to get done...

Freemium Mac OS X
Program Launcher Add a feature

38 Like
Ulauncher

Fast application launcher for Linux. Custom shortcuts for web URLs and scripts. Extensions are coming soon.

Free Open Source Linux
Fast search Feature File-search Integrated Search Legacy addons support Add a feature

9 Like
Hain

Hain is an ALT + SPACE launcher for Windows that looks and works similar to Alfred.

Free Open Source Windows
Program Launcher Electron based File-search Add a feature

10 Like