2015-07-26 21:32:30 +00:00
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# Prior Art & Related Projects
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2011-01-28 20:05:36 +00:00
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2015-07-26 21:32:30 +00:00
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## Prior Art
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2011-02-02 21:46:55 +00:00
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2015-07-26 21:32:30 +00:00
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* [LiveJournal](http://www.livejournal.org/)'s photo hosting, my first
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experiment with content-addressable storage, which led to:
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2011-01-28 20:05:36 +00:00
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2015-07-26 21:32:30 +00:00
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* [Brackup](http://code.google.com/p/brackup/), my original
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content-addressable backup tool, but didn't store directories as the digest
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of their contents. (so backup manifests were huge)
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2011-01-29 05:17:51 +00:00
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2015-07-26 21:32:30 +00:00
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* [Git](http://git-scm.com/), which exposed me to the idea of hashing
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directories, commits, etc. But git probably got it from Venti / Fossil:
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2011-01-28 20:05:36 +00:00
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2016-04-27 15:11:30 +00:00
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* [Venti](https://en.wikipedia.org/wiki/Venti) /
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[Fossil](https://en.wikipedia.org/wiki/Fossil_\(file_system\)), apparently
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2015-07-26 21:32:30 +00:00
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pioneered the idea of recursive content-addressable file systems.
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2011-01-28 20:05:36 +00:00
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2017-12-15 17:57:42 +00:00
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* [Monotone](http://www.monotone.ca/)'s "Certificates" are similar to Perkeep
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2018-01-09 19:09:22 +00:00
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claims. (See [terminology](terms.md#claims))
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2015-07-26 21:32:30 +00:00
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Probably more, though. Contributions to this list are welcome!
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2018-01-09 19:09:22 +00:00
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See the [comparison page](compare.md) for more details on how
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Perkeep compares to other software and services.
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