tls

GnuTLS is a secure communications library implementing the SSL, TLS and DTLS protocols and technologies around them. It provides a simple C language API to access the secure communications protocols. https://www.gnutls.org

Open client for Cisco AnyConnect, Juniper, Pulse, GlobalProtect, F5, Fortinet and Array Networks (IBM Cloud) VPNs

TLS-enabled mail retrieval (POP3/IMAP/ETRN/ODMR) and forwarding (SMTP/LMTP/MDA) agent.

Note the Git branches: legacy_64 (stable 6.4.x releases), legacy_6x (near-future 6.5.x development), next (mid-term future 7.x.x development)

cdt-nwa is a network traffic analysis tool for identifying cipher suites, that require migration to Post-Quantum Cryptography (PQC)

Free repository of cryptography-related data.

CryptoLyzer is a fast, flexible, and comprehensive server cryptographic protocol (TLS, SSL, SSH, DNSSEC) and related setting (HTTP headers, DNS records) analyzer and fingerprint (JA3, HASSH tag) generator with Python API and CLI.

Cryptographic protocol and security-related protocol piece parser.

CA store + Partial chain handler

Password Manager Daemon is a server that provides a way for applications to securely store and retrieve data at a centralized location. The data is stored in an XML file and clients connect and send commands to manipulate the data.

This is a library making it easy to patch applications to send commands to PWMD. There is an included command line client 'pwmc' that reads protocol commands from stdin or in an interactive shell-like mode and sends them to the pwmd server.

Certificate Authority manager for home networks