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Top 11 Python Letsencrypt Projects
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letsencrypt
Certbot is EFF's tool to obtain certs from Let's Encrypt and (optionally) auto-enable HTTPS on your server. It can also act as a client for any other CA that uses the ACME protocol.
Project mention: SSL certificate requirements are becoming obnoxious | news.ycombinator.com | 2025-08-26It's strange: SSL certificates (and maybe domain name registrations?) are one of the only "ticking time bomb" elements present in every modern web stack, whether a static site or not. By "ticking time bomb" I mean that there's a hard date N weeks/months from now where your site will definitely stop working, unless some external pile of dependencies work smoothly to extend that date.
Software didn't have that sort of "ticking time bomb" element before, I think?
I think I understand why it's necessary: we have a single, globally shared public namespace of domain names, which we accept will turn over their ownership over the long run, just like real estate changes hands. So we need expiration dates to invalidate "stale" records.
We've already switched over everything to Let's Encrypt. But I don't think anyone should be under the delusion that automation / ACME is failproof:
https://github.com/certbot/certbot/issues?q=is%3Aissue%20ren...
https://github.com/cert-manager/cert-manager/issues?q=is%3Ai...
https://github.com/caddyserver/caddy/issues?q=is%3Aissue%20A...
(These are generally not issues with the software per se, but misconfiguration, third-party DNS API weirdness, IPv6, rate limits, or other weird edge cases.)
Anyway, a gentle reminder that Let's Encrypt suggests monitoring your SSL certificates may be "helpful": https://letsencrypt.org/docs/monitoring-options/ (Full disclosure: I wrote the most recent addition to that list, with the "self-hosted scripts".)
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InfluxDB
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- Project mention: Proton Mail Suspended Journalist Accounts at Request of Cybersecurity Agency | news.ycombinator.com | 2025-09-12
Not who you asked, but I self-host some non-critical mail domains using Mailu[0], which is a set of docker containers. It's been fairly low maintenance. Ease of setup depends on your technical knowledge, but if I can do it, and you're on HN asking the question, you'll probably manage.
[0]: https://mailu.io/
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dnsrobocert
Orchestrate Certbot and Lexicon together to provide Let's Encrypt TLS certificates validated by DNS challenges
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Stream
Stream - Scalable APIs for Chat, Feeds, Moderation, & Video. Stream helps developers build engaging apps that scale to millions with performant and flexible Chat, Feeds, Moderation, and Video APIs and SDKs powered by a global edge network and enterprise-grade infrastructure.
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django-docker-template
Dockerized Django with Postgres, Gunicorn, and Traefik or Caddy (with auto renew Let's Encrypt) (by amerkurev)
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NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).
Python Letsencrypt discussion
Python Letsencrypt related posts
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The Home Assistant model
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Your own Certificate Authority (CA) in ONE simple command
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showcert: simple OpenSSL for humans
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Acme.sh runs arbitrary commands from a remote server
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Beginner questions about deploying node.js app on Beanstalk
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🌍🚀🎯 From Localhost to Cloud ☁️: Next.js, Django, SSL 🔒, GitHub Actions 🚀, DNS| Ultimate Website Deployment Tutorial🌟🔥✨
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Further investigating 403 – access forbidden by rule
- A note from our sponsor - SaaSHub www.saashub.com | 22 Dec 2025
Index
What are some of the best open-source Letsencrypt projects in Python? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | letsencrypt | 32,704 |
| 2 | BunkerWeb | 9,613 |
| 3 | Mailu | 6,970 |
| 4 | lexicon | 1,520 |
| 5 | dnsrobocert | 562 |
| 6 | selfhosted | 366 |
| 7 | acme-nginx | 326 |
| 8 | acme-dns-certbot-joohoi | 248 |
| 9 | django-docker-template | 222 |
| 10 | showcert | 103 |
| 11 | ansible-collection-acme | 56 |
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