Sparkle (software)

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Sparkle icon
Sparkle's Test App showing a Software Update window.
Sparkle's Test App showing a Software Update window.
Original author(s) Andy Matuschak
Developer(s) Sparkle Project (2014–present)
Initial release January 9, 2006 (2006-01-09)
Stable release
1.17 / March 2017; 9 months ago (2017-03)
Development status Active
Written in Objective-C
Operating system macOS
Available in Multi-lingual
Type Software update framework
License MIT License

Sparkle is an open source software framework for macOS designed to simplify updating software for the end user of a program. Sparkle's primary means of distributing updates is through "appcasting," a term coined for the practice of using an RSS enclosure to distribute updates and release notes.

At the end of 2013, development of Sparkle was ended by the original author, then later picked up by the newly formed Sparkle Project open source group on GitHub in June 2014 as the official continuation of the project.[1]


It is used in over 100 programs, including:

Other OS alternatives[edit]

There are several open source Windows alternatives to offer similar functionality to Sparkle:

There is also a REALbasic implementation of Sparkle that works on macOS, Windows and Linux: RBSparkle.


  1. ^ Andy Matuschak [@andy_matuschak] (29 June 2014). "Sparkle development's moving to a Github org of volunteers. Thanks, @jakepetroules and @pornelski" (Tweet) – via Twitter. 

External links[edit]