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Flow Browser vs NetSurf: catalog facts
Flow Browser	NetSurf
Free A Raspberry Pi preview is offered as a download; the page does not state a price.	Free Free and open source under the GPL version 2.
Linux	macOS, Linux
Independent engine not based on Chromium, WebKit or Gecko Multithreaded layout that scales with CPU cores	Very small and light on resources Independent layout engine written in C
Public download is a preview for the Raspberry Pi Aimed mainly at embedded and TV products rather than everyday desktop use	Limited support for modern script-heavy websites Not a replacement for a mainstream browser on current sites
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: GPL-2.0
Not stated if an account is needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 23, 2026

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