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Dehydrated vs DNSroboCert: catalog facts
Dehydrated	DNSroboCert
Best for: Administrators who want a scriptable ACME client for TLS certificates	Best for: Administrators managing wildcard certificates or certificates for non-web services
Free Free and open source under the MIT license.	Free The MIT-licensed software is distributed free of charge.
Command line	Windows, macOS, Linux, Command line, Self-hosted
Supports ACME v2 and wildcard certificates Can renew and revoke certificates All 3 strengths for Dehydrated Supports ACME v2 and wildcard certificates Can renew and revoke certificates Implemented as a shell script with common system dependencies	Automates certificate renewal while running Supports DNS providers through Lexicon All 3 strengths for DNSroboCert Automates certificate renewal while running Supports DNS providers through Lexicon Can issue wildcard certificates using DNS challenges
Requires OpenSSL and cURL	Limitations not stated
Downloadable app	Downloadable app, Self-hosted
Open source	Open source
License: MIT	License: MIT
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Sources for Dehydrated dehydrated.io Catalog checked October 8, 2026	Official website Full listing and sources Sources for DNSroboCert adferrand.github.io/dnsrobocert/user_guide.html github.com/adferrand/dnsrobocert github.com/adferrand/dnsrobocert/blob/main/LICENSE github.com/adferrand/dnsrobocert/releases/tag/v3.27.0 Catalog checked October 6, 2026

“Not stated” means we have not confirmed it. Features can vary by device and plan.