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OpenSSH vs Eternal Terminal: catalog facts
OpenSSH	Eternal Terminal
Free Free and open source under a BSD-style licence.	Free Free and open source.
macOS, Linux, Self-hosted, Command line	Command line
Complete client, server and key management suite Port forwarding and tunnelling built in	Sessions survive network outages and IP changes Supports native scrolling and tmux control mode
Command-line only with no graphical interface Configuration options take time to learn	Must be installed on both the client and the server Release notes on the site are old, so check the repository for current versions
Downloadable app, Self-hosted	Downloadable app
Open source	Open source
License: BSD-style	License not stated
No account needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

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