wolfSSH
The facts below are what the maker publishes about wolfSSH, checked and dated. Our editors have not written about it yet.
Plans and prices
From wolfSSH's own pricing page, checked 7 Oct 2026.
| Plan | Price | What it gives you |
|---|---|---|
| Open source GPLv3 | Free | GPLv3 terms apply |
| Basic support | $2,600 a year | 3 support incidents · Email only · 3 business day response · 1 year |
| Standard support | $8,500 a year | 10 support incidents · Email only · 1 business day response · 1 year |
| Premium support | $28,500 a year | Unlimited incidents · Email or phone · 4 business hour response · Dedicated support engineer · 1 year |
| 24x7 & Long Term Support | $50,000 a year | Long term support · Target hardware added to nightly CI tests · 1 year |
| Commercial license | Priced on request | Commercial licensing available; contact wolfSSL for inquiries |
The facts
Each one read from wolfSSH's own pages, with the date it was checked.
What it does
- Authentication
- Client authentication options include RSA and ECC public keys, passwords, and keyboard-interactive authentication.checked 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.checked 7 Oct 2026
- File transfer
- It supports SCP and SFTP file transfer.checked 7 Oct 2026
- Interoperability
- The product page says wolfSSH has been interoperability tested against OpenSSH, Tera Term, PuTTY, Dropbear, FileZilla, and Bitvise.checked 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.checked 7 Oct 2026
- Purpose
- wolfSSH is a lightweight SSHv2 client and server library written in ANSI C for embedded, RTOS, and resource-constrained environments.checked 7 Oct 2026
- Remote access
- Features include basic shell support, remote command execution, and port forwarding.checked 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.checked 7 Oct 2026
- Support
- wolfSSL offers public support forums and a ticket system, and says submitting [email protected] creates a ticket.checked 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.checked 7 Oct 2026
The company
- Company
- wolfSSL says it is based in Bozeman, Montana, Seattle, Washington, and Portland, Oregon, and dates its founding to 2004.checked 7 Oct 2026
- Headquarters
- Edmonds, Washington, USAchecked 28 Sep 2026
Where it runs
- Platforms
- Listed operating environments include Windows, Linux, Mac OS X, Solaris, FreeBSD, embedded Linux, Zephyr, FreeRTOS, ThreadX, and VxWorks.checked 7 Oct 2026
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