lego
Let's Encrypt and ACME client written in Go
lego is an open-source ACME client and library for obtaining TLS certificates from Let's Encrypt and other ACME providers. It supports many DNS providers and is self-hosted for certificate automation.
Key features
- ACME certificate client
- 150+ DNS providers
- Single binary
- Usable as a library
Strengths
- Released under the MIT license
- Easy to set up — beginner-friendly
- First-class Docker support for quick deployment
- Mature project with 9.8k GitHub stars
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