kak
Kakoune, a mode-based code editor implementing the "multiple selections" paradigm. tldr-pages
On several platforms
Several platforms
Kakoune, a mode-based code editor implementing the "multiple selections" paradigm. Data can be selected and simultaneously edited in different locations, using multiple selections; users can also connect to the same session for collaborative editing.
Open a file and enter normal mode, to execute commands
kak path/to/fileIdentifyEnter insert mode from normal mode, to write text into the file
<i>Escape insert mode, to go back to normal mode
<Esc>Replace all instances of string1 in the current file with string2
%sstring1<Enter>cstring2<Esc>Unselect all secondary selections, and keep only the main one
<Space>Search for numbers and select the first two
/\d+<Enter>NInsert the contents of a file
<!>cat path/to/file<Enter>Save the current file
<:>w<Enter>