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WindTermSerial
Free

The author states WindTerm is completely free for commercial and non-commercial use…

 Paid

Costs $39.99 with a free trial and upgrade pricing for earlier owners.

Windows, macOS, Linux macOS
  • SSH v2, SFTP, telnet, raw TCP, serial and tmux in one native client
  • Free for commercial use with no seat or session limits
  • Built-in support for most serial adapters without installing drivers
  • Hex view and hex send panel for binary device protocols
  • Only part of the source is published, so it is not fully open source
  • The last release was in March 2025 and the repository has been quiet since
  • macOS only
  • Paid licence after the trial
Downloadable app Downloadable app
Closed source Closed source
License: Apache-2.0 License not stated
No account needed No account needed
Works offline Works offline

Checked September 21, 2026

Checked October 1, 2026

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