Delphi

IPWorks is a comprehensive framework of easy-to-use components for Internet development, including FTP, HTTP, SMTP, POP, IMAP, LDAP, DNS, SMS, SOAP, etc. (do not install if you have the C++Builder edition)

Encrypt files, emails, and even newsgroup postings as well as sign and verify message signatures using X.509 digital certificates and S/MIME cryptography.

IPWorks BLE includes a set of powerful components for integrating Bluetooth Low Energy communications capabilities into Web, Desktop, and Mobile applications.

SSH-enabled client, server, and proxy components supporting strong SSH 2.0 encryption and advanced cryptography (SFTP Client/Server, SSH Tunnel, Terminal, etc.)

A lightweight and efficient SFTP Client which supports strong SSH 2.0 encryption and advanced cryptography

A set of components for encrypting, signing, decrypting, and verifying OpenPGP messages. Support for file and in-memory operations.

Add support for major cryptographic standards to Apps: S/MIME, OpenPGP, TripleDES, TwoFish, RSA, AES, etc. Includes X.509 and OpenPGP certificate management.

Provides easy-to-use components for accessing cloud storage services including Amazon S3, Google Drive, Dropbox, Box.com, OneDrive, and more.

Enable inter-process communication with a focus on simplicity and performance.

Components for embedding secure user authentication into web, desktop, and mobile apps. Supports OAuth, RADIUS, Kerberos, Claims-based auth, LDAP, and more.