Compare software

Biblioteca vs Manuals: catalog facts
Biblioteca	Manuals
Best for: Developers writing GNOME and GTK apps who want offline docs	Best for: GNOME and GTK developers reading API documentation offline
Free Free and open source under the GPL-3.0 licence.	Free Free and open source under the GPL-3.0-or-later licence.
Linux	Linux
Reads GNOME documentation without an internet connection Native GNOME interface All 3 strengths for Biblioteca Reads GNOME documentation without an internet connection Native GNOME interface Available on Flathub	Indexes local devhelp documentation Browse documentation by SDK All 3 strengths for Manuals Indexes local devhelp documentation Browse documentation by SDK Fast free-form search
Limited to GNOME documentation Small project with infrequent updates	Linux only Mainly useful for GTK and GNOME development
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: GPL-3.0-or-later
No account needed	No account needed
Offline features available	Offline features available
Official website Full listing and sources Sources for Biblioteca biblioteca.sonny.re Catalog checked October 1, 2026	Official website Full listing and sources Sources for Manuals apps.gnome.org/Manuals Catalog checked October 1, 2026

“Not stated” means we have not confirmed it. Features can vary by device and plan.