F: araxis
F: bc
F: codecompare
F: deltawalker
F: diffmerge
F: diffuse
F: ecmerge
F: emerge
F: examdiff
F: guiffy
F: gvimdiff
F: kdiff3
F: kompare
F: meld
F: nvimdiff
F: opendiff
F: smerge
F: tkdiff
F: tortoisemerge
F: vimdiff
F: vscode
F: winmerge
F: xxdiff