Compare software

simplewall vs WPD: catalog facts
simplewall	WPD
Free Free and open source under the GPL 3.0.	Free Free to download and use. The software is closed source.
Windows	Windows
A plain allow and block list rather than a stream of pop-ups Internal block list aimed at Windows telemetry	Telemetry, firewall blocks and app removal in one small portable tool Each toggle states the policy or registry key it changes
The project itself says it is for advanced users Not a Windows Firewall interface; it uses a separate rule system	Blocking Microsoft endpoints can interfere with updates and Store apps Windows only, closed source
Downloadable app	Downloadable app
Open source	Closed source
License: GPL-3.0	License not stated
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked September 22, 2026

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