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iptux vs BeeBEEP: catalog facts
iptux	BeeBEEP
Free Free and open source under GPL-2.0.	Free Free and open source; the developer accepts donations.
Windows, macOS, Linux	Windows
Discovers compatible clients on the intranet Supports messages and file transfers	Works without any server Messages encrypted with AES and delivered directly
Requires TCP/UDP port 2425 to be allowed through the firewall.	Designed for local office networks rather than chat over the internet Listing evidence covers Windows only
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0	License: GPL-3.0
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 October 8, 2026	Official website Full listing and sources Checked October 2, 2026

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