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wolfSSH

Edmonds, Washington, USA

Plans and prices

Open source GPLv3

Free

GPLv3 terms apply

Basic support

$2,600a year

3 support incidents · Email only · 3 business day response

Standard support

$8,500a year

10 support incidents · Email only · 1 business day response

Premium support

$28,500a year

Unlimited incidents · Email or phone · 4 business hour response · Dedicated support engineer

24x7 & Long Term Support

$50,000a year

Long term support · Target hardware added to nightly CI tests

Commercial license

Priced on request

Commercial licensing available; contact wolfSSL for inquiries

Every plan, in full

On the record

Authentication
Client authentication options include RSA and ECC public keys, passwords, and keyboard-interactive authentication.wolfssl.com · read 7 Oct 2026
Company
wolfSSL says it is based in Bozeman, Montana, Seattle, Washington, and Portland, Oregon, and dates its founding to 2004.wolfssl.com · read 7 Oct 2026
Cryptography
wolfSSH is powered by wolfCrypt and lists support for hybrid post-quantum use with ML-KEM, Curve25519, Ed25519, Curve448, Ed448, RSA, DH, and ECC.wolfssl.com · read 7 Oct 2026
File transfer
It supports SCP and SFTP file transfer.wolfssl.com · read 7 Oct 2026
Interoperability
The product page says wolfSSH has been interoperability tested against OpenSSH, Tera Term, PuTTY, Dropbear, FileZilla, and Bitvise.wolfssl.com · read 7 Oct 2026
Licensing
wolfSSH is dual licensed under GPLv3 and commercial licensing; businesses redistributing it in proprietary products are directed to commercial licensing inquiries.wolfssl.com · read 7 Oct 2026
Purpose
wolfSSH is a lightweight SSHv2 client and server library written in ANSI C for embedded, RTOS, and resource-constrained environments.wolfssl.com · read 7 Oct 2026
Remote access
Features include basic shell support, remote command execution, and port forwarding.wolfssl.com · read 7 Oct 2026
Small footprint
The product page lists a minimum footprint of 33 kB and runtime memory usage between 1.4 and 2 kB, excluding a configurable receive buffer.wolfssl.com · read 7 Oct 2026
Support
wolfSSL offers public support forums and a ticket system, and says submitting [email protected] creates a ticket.wolfssl.com · read 7 Oct 2026
Support limits
The Basic, Standard, and Premium packages list 3, 10, and unlimited support incidents respectively, while the 24x7 & Long Term Support package lists long-term support.wolfssl.com · read 7 Oct 2026

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