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spiped vs stunnel: catalog facts
spiped	stunnel
Free Free software under the BSD 2-Clause license.	Free Free under the GPL 2.0 or later, with paid commercial support and non-GPL licences…
Command line	Windows, Linux, Command line
Encrypts and authenticates forwarded connections Includes a client and daemon	Adds TLS to existing programs without code changes Supports load balancing for larger deployments
Requires both ends to share a symmetric key Does not hide information revealed by packet timing	Configured through text files, with no graphical setup Not a community project; development is controlled by the author
Downloadable app	Downloadable app
Open source	Open source
License: BSD-2-Clause	License: GPL-2.0-or-later
Not stated if an account is needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked October 2, 2026

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