A simple cross platform ACME client (for use with Let's Encrypt et al.)
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Updated
Dec 8, 2025 - C#
A simple cross platform ACME client (for use with Let's Encrypt et al.)
Crypt::LE - Let's Encrypt / Buypass / ZeroSSL and other ACME-servers client and library in Perl for obtaining free SSL certificates (inc. generating RSA/ECC keys and CSRs). HTTP/DNS verification is supported out of the box, EAB (External Account Binding) supported, easily extended with plugins, easily dockerized.
PinkSign – a friendly Python library for NPKI (공동인증서, 구 공인인증서) certificates 🔑
This tool is a user-friendly Graphical User Interface (GUI) tool that simplifies and streamlines the process of digitally signing files using Microsoft's signtool.exe. This tool is designed to provide a straightforward interface, enabling users to apply digital signatures to software executables, drivers, DLLs, and other file types effortlessly.
Simple certificate authority for development written in C#. Allows issue of SSL certificates, including wildcard certificates
Creates PKCS #12 files (.pfx, .p12) from PEM representations of certificate and private key. No installation needed.
Generate self signed ssl certificates with your own root CA certificate
www dev server with livereload, file watching, http2, https, self signed cert generation
Makes certificate files by answering a few simple questions.
PFX Tool - Does stuff with and around PFX certificates.
FluentCertificates is a library using the Immutable Fluent Builder pattern for easily creating, finding and exporting certificates. Makes it simple to generate your own certificate chains, or just stand-alone self-signed certificates.
Windows executable for sign a PDF with a certificate and a hanwritten signature
This tool parses ASN.1 data and displays it in a tree view. It is developed in C# and runs exclusively on Windows.
A PowerShell module for managing certificates
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