1 `araxis`;; Use Araxis Merge (requires a graphical session)
2 `bc`;; Use Beyond Compare (requires a graphical session)
3 `bc3`;; Use Beyond Compare (requires a graphical session)
4 `bc4`;; Use Beyond Compare (requires a graphical session)
5 `codecompare`;; Use Code Compare (requires a graphical session)
6 `deltawalker`;; Use DeltaWalker (requires a graphical session)
7 `diffmerge`;; Use DiffMerge (requires a graphical session)
8 `diffuse`;; Use Diffuse (requires a graphical session)
9 `ecmerge`;; Use ECMerge (requires a graphical session)
10 `emerge`;; Use Emacs' Emerge
11 `examdiff`;; Use ExamDiff Pro (requires a graphical session)
12 `guiffy`;; Use Guiffy's Diff Tool (requires a graphical session)
13 `gvimdiff`;; Use gVim (requires a graphical session) with a custom layout (see `git help mergetool`'s `BACKEND SPECIFIC HINTS` section)
14 `gvimdiff1`;; Use gVim (requires a graphical session) with a 2 panes layout (LOCAL and REMOTE)
15 `gvimdiff2`;; Use gVim (requires a graphical session) with a 3 panes layout (LOCAL, MERGED and REMOTE)
16 `gvimdiff3`;; Use gVim (requires a graphical session) where only the MERGED file is shown
17 `kdiff3`;; Use KDiff3 (requires a graphical session)
18 `meld`;; Use Meld (requires a graphical session) with optional `auto merge` (see `git help mergetool`'s `CONFIGURATION` section)
19 `nvimdiff`;; Use Neovim with a custom layout (see `git help mergetool`'s `BACKEND SPECIFIC HINTS` section)
20 `nvimdiff1`;; Use Neovim with a 2 panes layout (LOCAL and REMOTE)
21 `nvimdiff2`;; Use Neovim with a 3 panes layout (LOCAL, MERGED and REMOTE)
22 `nvimdiff3`;; Use Neovim where only the MERGED file is shown
23 `opendiff`;; Use FileMerge (requires a graphical session)
24 `p4merge`;; Use HelixCore P4Merge (requires a graphical session)
25 `smerge`;; Use Sublime Merge (requires a graphical session)
26 `tkdiff`;; Use TkDiff (requires a graphical session)
27 `tortoisemerge`;; Use TortoiseMerge (requires a graphical session)
28 `vimdiff`;; Use Vim with a custom layout (see `git help mergetool`'s `BACKEND SPECIFIC HINTS` section)
29 `vimdiff1`;; Use Vim with a 2 panes layout (LOCAL and REMOTE)
30 `vimdiff2`;; Use Vim with a 3 panes layout (LOCAL, MERGED and REMOTE)
31 `vimdiff3`;; Use Vim where only the MERGED file is shown
32 `vscode`;; Use Visual Studio Code (requires a graphical session)
33 `winmerge`;; Use WinMerge (requires a graphical session)
34 `xxdiff`;; Use xxdiff (requires a graphical session)