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Hummingbird vs Pritunl Client: catalog facts
Hummingbird	Pritunl Client
Free Free and open source client from AirVPN.	Free Free to download and use, with no registration or payment required.
macOS, Linux, Command line	Windows, macOS, Linux, Command line
Small standalone binary with low memory use ChaCha20 support for devices without AES-NI	Supports both OpenVPN and WireGuard Imports standard OpenVPN configuration files as well as Pritunl profiles
No graphical interface Designed around the AirVPN service	Licence terms are not clearly stated as an OSI licence Some profile import features assume a Pritunl server
Downloadable app	Downloadable app
Open source	Closed source
License not stated	License not stated
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 2, 2026	Official website Full listing and sources Checked October 2, 2026

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