
Jargon: Hacker Dictionary
Hacker Culture Dictionary
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About
Jargon is a fully offline reader for the Jargon File — the hacker culture
dictionary that gave the word "hacker" its original meaning, decades before
it came to mean "cracker." Compiled by Eric S. Raymond and Guy L. Steele and
continued today as a community project, it's the closest thing hacking has
to an etymology.
Over 2,300 entries, all bundled in the app:
* Browse alphabetically with a fast-scroll index
* Instant search across terms and definitions, with your recent lookups kept handy
* Tap any cross-referenced term to jump straight to it
* Share or copy any definition
* Favorite entries for quick access later
* "Surprise me" with a random entry — or long-press the app icon for one
Zero permissions. Zero network access, ever — the dictionary ships inside
the app, favorites stay on your device, nothing is ever sent anywhere.
No accounts, no ads, no analytics.
Dictionary content is CC BY-SA 4.0 from the Jargon File community edition
(github.com/agiacalone/jargonfile). App source is GPL-3.0.
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What's New in Jargon
1.1.0
September 11, 2026
* Share or copy any definition from the entry screen * Search now remembers your recent lookups * "Random entry" Home Screen quick action — long-press the app icon * Smoother search while you type
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