Compare software

Tangram vs Spider: catalog facts
Tangram	Spider
Free Free and open source under the GPL-3.0 licence.	Free Free and open source under the GPL-3.0 licence.
Linux	Linux
Keeps web apps in a dedicated window apart from the main browser Native GNOME application	Each web app is sandboxed in its own WebKit instance Titlebar adapts to the site's theme colour
Linux only Not meant for general browsing	Built for GNOME on Linux only Uses WebKit, so sites tuned for Chromium may behave differently
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: GPL-3.0-only
No account needed	No account needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 1, 2026

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