Monotone (software)

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Monotone
Developer(s)	The monotone team
Initial release	April 6, 2003; 22 years ago (2003-04-06)
Final release	1.1[1] / May 4, 2014; 11 years ago (2014-05-04)
Repository	github.com/graydon/monotone
Written in	C++
Operating system	Unix, Linux, BSD, Mac OS X, Windows
Available in	English, Italian, Swedish, Portuguese, German, Spanish
Type	Revision control
License	GPL-2.0-or-later
Website	www.monotone.ca

Monotone is an open source software tool for distributed revision control. It tracks revisions to files, groups sets of revisions into changesets, and tracks history across renames. The focus of the project is on integrity over performance.^[2] Monotone is designed for distributed operation, and makes heavy use of cryptographic primitives to track file revisions (via the SHA-1 secure hash) and to authenticate user actions (via RSA cryptographic signatures).