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SSH3OpenSSH
Free

Free and open source under the Apache 2.0 licence.

 Free

Free and open source under a BSD-style licence.

Windows, Linux, Command line macOS, Linux, Self-hosted, Command line
  • Runs remote shell sessions over HTTP/3 and QUIC
  • Backed by a published paper and an IETF Internet-Draft
  • Complete client, server and key management suite
  • Port forwarding and tunnelling built in
  • Experimental research project, not a standard SSH replacement
  • Last code change in September 2024
  • Command-line only with no graphical interface
  • Configuration options take time to learn
Downloadable app Downloadable app, Self-hosted
Open source Open source
License: Apache-2.0 License: BSD-style
No account needed No account needed
Not stated if it works offline Not stated if it works offline

Checked October 2, 2026

Checked September 23, 2026

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