Apps similar to Lego (go-acme) include Let's Encrypt, which is free and open source. Other options are Certbot, acme.sh, CertKit and CertMate. In total there are five Certificate Authorities like Lego (go-acme) for self-hosting, Mac, Linux and Windows.
Anyone who has gone through the trouble of setting up a secure website knows what a hassle getting and maintaining a certificate can be. Let’s Encrypt automates away the pain and lets site operators turn on and manage HTTPS with simple commands.
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Certbot is an open source tool from EFF for automating HTTPS deployment on websites, supporting servers like Apache and nginx. Works with Let's Encrypt for free certificates, accessible via command line, ensuring security with automatic renewal and optional HTTP to HTTPS redirection.
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CertKit provides automated SSL/TLS certificate management software that eliminates the complexity of maintaining certificates across modern infrastructure. Founded by engineers who spent too many hours debugging certificate renewals and watching competent teams waste days on...
Self-hosted certificate lifecycle management: issue, renew, discover, inventory and deploy TLS certificates across your infrastructure.
