nowfound

Dev tools · December 5, 2015

Lego – A Let's Encrypt Library and CLI in Go

Let's Encrypt/ACME client and library written in Go - go-acme/lego

Lego – A Let's Encrypt Library and CLI in Go launched on December 5, 2015 with 93 votes, #475 of 3,505 launches that month and more than 95% of that year's launches. The site was still online in September 2026, 10 years on.

Visit github.com ↗Alternativestop 14% of December 2015

In plain words

Lego is a Let's Encrypt and ACME client library and command-line tool written in Go. It enables developers to automate SSL/TLS certificate issuance and renewal through the ACME protocol. The tool can be used as both a standalone CLI application and as a library integrated into Go projects, making it useful for anyone needing programmatic certificate management on systems running Go.

written from the facts on this page · September 2026

Does a similar job

all alternatives →
  • Acme-tiny, a tiny 200-line Let's Encrypt client2015 · github.com · ▲280

    A tiny script to issue and renew TLS certs from Let's Encrypt - diafygi/acme-tiny

  • ACME Let's Encrypt client – binary releases, works like 'make'2015 · github.com · ▲83

    :lock: acmetool, an automatic certificate acquisition tool for ACME (Let's Encrypt) - hlandau/acmetool

  • AR
    Anchor Relay – A faster, easier way to get Let's Encrypt certificates2025 · anchor.dev · ▲80

    From the cryptic terminal commands to the innumerable ways to shoot yourself in the foot, I always struggled to use TLS certificates. I love how much easier (and cheaper) Let's Encrypt made it to get certificates, but there are still plenty of things to struggle with. That's why we built Relay: a free, browser-based tool that streamlines the ACME workflow, especially for tricky setups like homelabs. Relay acts as a secure intermediary between your ACME client and public certificate authorities like Let's Encrypt. Some ways Relay provides a better experience: - really fast, streamlined…

  • Lescript – Simple PHP client library for Let's encrypt2015 · github.com · ▲96

    Simplified PHP ACME client. Contribute to analogic/lescript development by creating an account on GitHub.

  • Caddy, a cross-platform HTTP/2 web server2015 · caddyserver.com · ▲208

    Caddy is a powerful, enterprise-ready, open source web server with automatic HTTPS written in Go

  • TinyCert2014 · tinycert.org · ▲237

    Free SSL certificates for your startup.

More dev tools this month

the category →
  • /dev/null▲487

    a social network for devs

    Dev tools · 3d ago · dev-null.sh

  • Whiteboard (YC W26) – an open-source IDE for thoughtful software design▲423

    open-source IDE for thoughtful software design. Contribute to devdotfast/whiteboard development by creating an account on GitHub.

    Dev tools · 28d ago · github.com

  • Reladraw – A diagram language where you decide where to place things▲411

    Contribute to reladraw/reladraw development by creating an account on GitHub.

    Dev tools · 26d ago · github.com

  • OpenBot▲362

    Grok Bot alternative: free, local, open-source, multiplayer

    Dev tools · 23d ago · openbot.run

  • Talanoa▲346

    Hi HN, I’m a fullstack developer, and honestly, I’ve lost count of how many side projects I’ve worked on over the years. But one idea kept coming back to me: a different kind of email client. It first came to me in 2014: “What if we could handle emails more like conversations?” Every year, I’d revisit this concept in my “Build Notes.” Ten years later, no one had built exactly what I had in mind — so I finally decided to do it myself. That’s how Talanoa was born. I wanted something focused on people, not timelines. I was tired of marking messages as unread just to remember to reply later, or…

    Dev tools · 21d ago · talanoa.email

  • CoreSpeed▲332

    One MCP for everything your agents need: apps, memory, tools

    Dev tools · 28d ago · corespeed.io

Source: Show HN post ↗

Launched alongside, December 2015

the whole month →