Awesome Open Source
Awesome Open Source
lego logo

Automatic Certificates and HTTPS for everyone.

Lego

Let's Encrypt client and ACME library written in Go.

GoDoc Build Status Docker Pulls

Features

  • ACME v2 RFC 8555
  • Register with CA
  • Obtain certificates, both from scratch or with an existing CSR
  • Renew certificates
  • Revoke certificates
  • Robust implementation of all ACME challenges
    • HTTP (http-01)
    • DNS (dns-01)
    • TLS (tls-alpn-01)
  • SAN certificate support
  • Comes with multiple optional DNS providers
  • Custom challenge solvers
  • Certificate bundling
  • OCSP helper function

Installation

How to install.

Usage

Documentation

Documentation is hosted live at https://go-acme.github.io/lego/.

DNS providers

Detailed documentation is available here.

Akamai EdgeDNS Alibaba Cloud DNS all-inkl Amazon Lightsail
Amazon Route 53 ArvanCloud Aurora DNS Autodns
Azure Bindman Bluecat Checkdomain
CloudDNS Cloudflare ClouDNS CloudXNS
ConoHa Constellix deSEC.io Designate DNSaaS for Openstack
Digital Ocean DNS Made Easy DNSimple DNSPod
Domain Offensive (do.de) Domeneshop DreamHost Duck DNS
Dyn Dynu EasyDNS Epik
Exoscale External program freemyip.com G-Core Labs
Gandi Live DNS (v5) Gandi Glesys Go Daddy
Google Cloud Hetzner Hosting.de Hosttech
HTTP request Hurricane Electric DNS HyperOne IBM Cloud (SoftLayer)
IIJ DNS Platform Service Infoblox Infomaniak Internet Initiative Japan
Internet.bs INWX Ionos iwantmyname
Joker Joohoi's ACME-DNS Linode (v4) Liquid Web
Loopia LuaDNS Manual MyDNS.jp
MythicBeasts Name.com Namecheap Namesilo
NearlyFreeSpeech.NET Netcup Netlify Nicmanager
NIFCloud Njalla NS1 Open Telekom Cloud
Oracle Cloud OVH Porkbun PowerDNS
Rackspace reg.ru RFC2136 RimuHosting
Sakura Cloud Scaleway Selectel Servercow
Simply.com Sonic Stackpath Tencent Cloud DNS
TransIP UKFast SafeDNS Variomedia VegaDNS
Vercel Versio.[nl/eu/uk] VinylDNS Vscale
Vultr WEDOS Yandex Zone.ee
Zonomi

If your DNS provider is not supported, please open an issue.

Alternatives To Lego
Select To Compare


Alternative Project Comparisons
Related Awesome Lists
Top Programming Languages
Top Projects

Get A Weekly Email With Trending Projects For These Topics
No Spam. Unsubscribe easily at any time.
Go (160,616
Security (31,786
Cloud (29,142
Encrypt (11,901
Certificate (11,225
Dns (10,204
Tls (4,954
Rfc (3,832
Letsencrypt (1,733
Acme (1,374
Lego (1,317
Acme Client (129