When comparing Tabby vs Extraterm, the Slant community recommends Extraterm for most people. In the question“What are the best terminal emulators for UNIX-like systems?” Extraterm is ranked 40th while Tabby is ranked 42nd. The most important reason people chose Extraterm is:
not the fastest ever, but for me its a good comprimise of features vs performance
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Has a SFTP client
Pro Supports PowerShell, WSL and others
Pro Wildly customizable
Pro speed
not the fastest ever, but for me its a good comprimise of features vs performance
Pro Cross platform
Pro Supports tab, splits and panes
You can set up your own layout with multiple splits and tabs.
Pro Shell integration
The shell integration makes it possible to group in command output in "frames" which show success/failure.
Pro Image support
You can view images and other data types like audio directly in the terminal.
Pro Keyboard based text selection
It is possible to go into a cursor mode where you can select text just like in a text editor. It even supports multiple cursors.
Pro Global shortcuts
You can configure global shortcuts to open the terminal.
Pro Keyboard friendly "Command Palette"
Just like Sublime, Atom and VSCode you can easily search and find commands from the drop down Command Palette.
Cons
Con Terrible compared to How Terminus was
Can't even start Admin tabs.