Python ASN.1 library with a focus on performance and a pythonic API

OPEM (Open Source PEM Fuel Cell Simulation Tool)

PEM file parsing in Python.

Simple OpenSSL for humans: all you need for X.509 TLS certificates (and nothing more).

A tool that makes it easy to work with and convert between cryptographic key formats

Resolve the certificate chains (leaf, intermediate, and the root) for x509 certificates using the CLI or Python API. It supports PEM, DER, and PKCS7 formats and custom root certificate stores.

A simple PEM to PKCS12 conversion utility written in Python

SSH Config JSON is dumping JSON for your ssh config include IdentityFiles and restoring those.

A tool to convert TLS/SSL certificates to different formats

Check single file or directory for X509 PEM certificates and output certificate details

A python script that takes a series of certificates as input and checks signatures after printing a summary for each one.

Python simulation framework for techno-economic optimisation of PEM and Alkaline electrolysers under variable renewable energy — 15-year horizon, degradation modelling, LCOH/NPV analysis

🔐 BundleCraft - A tool for configuring, building, and packaging PKI trust stores.

Composable vector search with SQL

A command-line TUI for extracting, viewing, and saving TLS certificate chains from remote servers

🔐 PKI Management System — Create, renew, and revoke certificates through an intuitive web UI. Policy-driven security, role-based access control, multi-organization support, and automatic CRL generation.

Convert DER files to Zeek SSL::root_certs