When comparing Enso Portable vs Greenshot (for Windows), the Slant community recommends Greenshot (for Windows) for most people. In the question“What are the best power user tools for Windows?” Greenshot (for Windows) is ranked 10th while Enso Portable is ranked 50th. The most important reason people chose Greenshot (for Windows) is:
Greenshot is licensed under GPL with source code available on [BitBucket](https://bitbucket.org/greenshot/greenshot).
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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 Free and open source
Greenshot is licensed under GPL with source code available on BitBucket.
Pro Freezes screen when you capture
When you enter a capture mode, the screen content is preserved as it was when you started capturing.
Pro Allows annotating, highlighting and obfuscating screenshots
Pro Can capture an entire webpage
Instead of just capturing the visible portion of the page, this tool can capture all of the page in one image by scrolling through the page, taking images at set points and then stitching the images together.
Pro Can be quickly invoked with the print screen button
Pressing the print screen button will allow you to select the captured area.
Pro Selecting custom rectangle is the default
Easy to use selection tool with a magnifier to select only the part of the screen that you need.
Pro Classic UI design makes it easy to use.
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 Scrolling window capture is only working in Internet Explorer
Con This version only works on Windows, not Linux nor Mac
However, the same author now has a separate version of Greenshot for iOS, which is available (for a small fee) in the Mac App Store at https://itunes.apple.com/us/app/greenshot/id1103915944