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On the recordRead 7 Oct 202613 facts
wolfSSH
Edmonds, Washington, USA
Plans and prices
Open source GPLv3
Free
GPLv3 terms apply
Read 7 Oct 2026 · wolfssl.com
Basic support
$2,600a year
3 support incidents · Email only · 3 business day response
Read 7 Oct 2026 · wolfssl.com
Standard support
$8,500a year
10 support incidents · Email only · 1 business day response
Read 7 Oct 2026 · wolfssl.com
Premium support
$28,500a year
Unlimited incidents · Email or phone · 4 business hour response · Dedicated support engineer
Read 7 Oct 2026 · wolfssl.com
24x7 & Long Term Support
$50,000a year
Long term support · Target hardware added to nightly CI tests
Read 7 Oct 2026 · wolfssl.com
Commercial license
Priced on request
Commercial licensing available; contact wolfSSL for inquiries
Read 7 Oct 2026 · wolfssl.com
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