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Meld for macOS vs Kaleidoscope: catalog facts
Meld for macOS	Kaleidoscope
Free Free and open source under the GPL-2.0-or-later.	Paid Paid app with a free trial.
macOS	macOS
Native macOS packaging of a familiar diff tool Side-by-side comparison and merging	Compares text, images and folders Three-way merge with commit context
A community port maintained separately from Meld itself macOS only; other platforms use the main Meld builds	A diff and merge tool, not a full Git client Paid after the trial
Downloadable app	Downloadable app
Open source	Closed source
License: GPL-2.0-or-later	License not stated
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.