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acme.sh

Secrets & Credentials

A pure‑shell ACME client for issuing and renewing Let's Encrypt certificates without needing root or external dependencies

Shell Latest 3.1.3 · 1mo ago Security brief →

Features

  • Pure shell implementation of the full ACME protocol
  • Supports ECDSA, SAN, and wildcard certificates
  • No Python or other language dependencies required
  • One‑script issuance, renewal, and installation (cron‑ready)
  • Works without root/sudoer privileges

Recent releases

View all 2 releases →
3.1.2 Mixed
Notable features
  • Support for certificate profiles and IP certificates
Changelog
  1. support cert profile and ip cert.
  2. a lot of bug fixes.

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Community & Support

Beta — feedback welcome: [email protected]