When comparing altyo vs Extraterm, the Slant community recommends altyo for most people. In the question“What are the best terminal emulators for UNIX-like systems?” altyo is ranked 37th while Extraterm is ranked 40th. The most important reason people chose altyo is:
Altyo has very few dependencies (it only depends on libvte and gtk3) making it a very lightweight terminal that doesn't require many resources to run.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Few dependencies
Altyo has very few dependencies (it only depends on libvte and gtk3) making it a very lightweight terminal that doesn't require many resources to run.
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 Not very powerful
Even for a terminal that aims to be as lightweight as possible, altyo is still not as powerful as it should be. It doesn't have many features found in other options and it's not very customizable.