When comparing Enso Portable vs Launchy, the Slant community recommends Launchy for most people. In the question“What are the best app launchers for Windows?” Launchy is ranked 5th while Enso Portable is ranked 12th. The most important reason people chose Launchy is:
For those using Debian based distros Launchy is very easy to install as their website has 32 and 64bit .deb files available. For all other diistros Launchy will have to be compiled from source.
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Pros
Pro Extensible in Python
GChristensen recently upgraded Enso to Python 3.7, a great improvement over the original v2.5. You can write custom Enso commands in Python through its new web interface (or your favorite editor once you know where to put the files.) There's even an install command to pip install any Python package you need from PyPI. The sky's the limit.
Pro Optional quasimode
Letting go of CapsLock just feels faster than hitting enter (sometimes too fast: be sure to disable the reboot command before turning this on!) Even with quasimode enabled, you can make it modal for that command by tapping Alt.
Pro Easily teach the app to open specific apps and sites
There is a learning function to the app that allows the user to teach the app to open specific items by typing "learn as open" and then clicking on the item one wants it to learn to open.
Pro Can go to existing open windows
By using the "go" command users can switch to their already open windows making this a bit of a window navigator as well as a launcher.
Pro .deb files available for Debian based distros
For those using Debian based distros Launchy is very easy to install as their website has 32 and 64bit .deb files available. For all other diistros Launchy will have to be compiled from source.
Pro Easily themed with many available on the web
Launchy can be easily themedby placing themes into the Launchy theme folder and then selecting that theme from within the apps settings. There are also many user created themes available which is great for those that want their launcher to match the rest of their OS's theme.
Cons
Con Comes with a reboot command
And a shutdown command too. Installing these is optional, and I recommend that you don't, especially if you use the quasimode. Unless you like losing your work.
Con No message log
According to Raskin's philosophy which inspired Enso, a pop up "dialog" is a bad design. The OK button is a useless input that interrupts your flow. Enso's pop up messages, therefore, are transparent and quickly fade away on their own (like Android Toast messages). Unfortunately, this also means you can easily miss them if you're not paying attention. Raskin's solution was to keep a message log you can refer back to, but Humanized never got around to implementing that for Enso.
Con Usage tends to be slowed by the caps lock
Function of the app relies on the caps lock key being pressed to enter commands, which can slow some people down by having to hold that key down when they are typing commands.
Con Small selection of plugins
The official plugin page on Launchy's homepage hosts just 11 plugins.
Con Abandoned
Launchy was last updated in 2010.