Apptivate is described as 'A simple, beautiful hotkey manager. Launch applications, execute scripts, run automator workflows and open files or folders. All of this at the press of a key combination. Apptivate 2.0 introduces hotkey sequences, which are simply a sequence of key combinations'. There are more than 10 alternatives to Apptivate for a variety of platforms, including Mac, Windows, Google Chrome, iPhone and Chrome OS. The best alternative is Alfred, which is free. Other great apps like Apptivate are ueli (Free, Open Source), Quicksilver (Free, Open Source), Fluent Search (Free) and Krunner (Free, Open Source).
Alfred is a productivity application for macOS, which boosts your efficiency with hotkeys, keywords and text expansion. Search your Mac and the web, and control your Mac using custom actions with the Powerpack.
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, making your everyday chores simple and efficient.
Search all your tools from one place. Clew is your central hub for workplace productivity. Search shouldn’t be stealing 25% of your workweek. Find files, act on them, and share blazingly fast with Clew.
Spark is a powerful and easy shortcuts manager. With Spark you can create Hot Keys to launch applications and documents, execute AppleScripts, command iTunes, and more... You can also export and import your Hot Keys library, or save it in HTML format to print it.