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kiwix-serve vs Aard 2: catalog facts
kiwix-serve	Aard 2
Free Free and open source under the GPL-3.0 licence.	Free Free and open source under the GPL-3.0.
Linux, Self-hosted, Command line	Android
Serves whole offline wikis to any browser on the network Includes library management and full-text search tools	Offline Wikipedia and dictionary lookups Bookmarks and lookup history
Command-line only, with no graphical setup Building from source requires libkiwix and libzim	Dictionary files must be downloaded separately Interface is plain
Downloadable app, Self-hosted	Downloadable app
Open source	Open source
License: GPL-3.0	License: GPL-3.0
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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