Twain is a diff viewer for people who like Meld but wanted it slightly different. It shows every file from a Git diff in one sequential view with a fast file tree, scrolling minimaps, tree-sitter highlighting and search across all modified files, and it lets you comment on sets of changes and lines that an AI agent can read and add to from a CLI.
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All files from a diff appear in one view, in order, instead of one tab at a time.
Switch between changed parts only and full files, revealing unchanged parts granularly.
Comments on lines and change sets can be read and extended by an agent from the command line.
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