Text Expander for Mac (Windows/Android/ios versions also avail)
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Pro Sophisticated macro language
It has many macro functions. Macros can be combined and nested.
Pro Supports RTF formatting and Word documents
Pro Versions for Mac, Windows, iOS, and Android
Pro Easy to use
Very clear and thoughtful user interface.
Pro Flexible shortcut system
Offers many options for autotext.
Pro Phrase menu
Pro Document generator
Pro Portable option
Can run from a USB device.
Pro Clipboard Manager with cool extra features
If email addresses or URL are part of the clipboard contents, PE offers you to send an email to that address or to open the web site.
Pro Includes Outlook addon to automate email replies
Pro Fill-In forms with may options
You cannot only add simple text input but also radio buttons, check boxes, etc.
Pro Works with Mac and Windows and iPhone
There are versions for all platforms, that can synchronize snippets.
Pro Does not force to use a cloud service
It can run standalone without the need to connect to the Internet.
Con No Linux version
Some people might want it.