* [certctl v2.1.0](https://github.com/certctl-io/certctl) – Self-hosted platform automating certificate issuance, renewal, and deployment with zero human intervention while keeping private keys on your infrastructure.

* [Go Keyless v1.17.6](https://github.com/cloudflare/gokeyless) – Go implementation of Cloudflare's Keyless SSL protocol supporting multiple key storage options.