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blendr vs toolBLEx: catalog facts
blendr	toolBLEx
Free The open-source software is available without a license fee. Hosting, hardware and…	Free Free and open source under the GPL-3.0 or later.
Windows, macOS, Linux, Command line	Windows, macOS, Linux
Browses services and characteristics on nearby devices.	Handles both BLE and Classic Bluetooth RSSI and proximity graphs
Requires compatible Bluetooth hardware and system permissions.	A specialist tool for Bluetooth work Results depend on the host Bluetooth adapter
Downloadable app	Downloadable app
Open source	Open source
License: BSD-3-Clause	License: GPL-3.0-or-later
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked October 1, 2026

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