SecExMail Home 1.51
SecExMail makes e-mail encryption as easy as sending a message. There are no plugins necessary and it will work with any standard email client including Microsoft Outlook, Outlook Express, Calypso, Eudora and many more. Now includes automatic key exchange and powerful html filtering to protect from malicious email. Personal Edition, including support can be purchased for $4.95 using PayPal or Credit Card. Commercial and Linux versions available.

Top Secret Crypto Gold 4.10.000
Top Secret Crypto Gold includes Top Secret Chat and Top Secret Journal, with file and e-mail encryption. RSA key sizes 480 to 16,384 bits. Insert 180 smileys in e-mail, journal entries, and chat sessions. Free for personal private use. New! Now easy to use with any e-mail program including Yahoo! Mail, MSN Hotmail, Gmail, IncrediMail, or FoxMail. Five new spell checking dictionaries: Danish, German, French, Italian, and Spanish.

LTFCrypt 1.1
Would you like to use C++ to build your own file encryption program? This real-world example source code package contains a fully functional program that encrypts and decrypts text or binary files. This is an easy way for you to learn how to use Visual C++ with LibTomCrypt, a public domain and an ISO C cryptography library, to build your own file encryption program.

Hpmbcalc Hex Calculator 4.21
This is a programmable multiple-precision hex calculator with many utilities. With Hpmbcalc, you can easily perform a lot of big number math and encryption operations, such as: square root, modular inverse; hash, CRC, and check sum make; shift register configuration evaluation and simulationl; pseudo-random number generation; primality test; hex, dec, oct, bin conversions; etc.

SecureCRT 6.1
SecureCRT combines rock-solid terminal emulation with the strong encryption, broad authentication options, and data integrity of the Secure Shell protocol. SecureCRT offers a tabbed interface, advanced session management and customization, built-in scripting, X.509 certificate authentication, a FIPS 140-2 validated cryptographic library, and extensive emulations including VT100, VT102, VT220, ANSI, SCO ANSI, Wyse 50/60, Xterm, and Linux console.

Chilkat Python Encryption Library 4.0
The Chilkat Python encryption library provides an advanced API for symmetric encryption, public-key encryption, digital signatures, hashing, and encoding/decoding.

.NET Encryption Library 1.09
Affordable, powerful, and easy to use .NET Encryption/Hashing/Compression Library. Encrypt sensitive information such as passwords, credit cards and social security numbers. Supports Rijndael (AES), DES, TripleDES, RC2, Blowfish, Twofish, Whirlpool, MD2, MD4, MD5, SHA1, SHA2, HAVAL, GOST, Ripend320, FCS16, FCS32, CRC32, Adler32, X509, UUencode, Base64, GZip, and Deflate.

Manco .NET Licensing System 3.3.1.0
Manco .NET Licensing System is powerful licensing and copy protection tools for .NET Windows Forms, WPF, and ASP.NET applications, controls and components. Protection library is available for .NET Framework 1.1, 2.0, 3.0 and .NET Compact Framework 2.0. It uses very flexible licensing schema with following main features: Strong encryption, Time/Usage Limited Evaluation, Flexible license content, Encrypt code and data, Source Code Integration.

Utilant Encryption Library 1.1
Don’t spend over $100 on an encryption utility. Use this COM-accessible full-featured encryption library from: ASP, VB 6, VC++, Visual FoxPro, C#, VB.NET, and any other language that supports COM or .NET. Supported encryption types include: DES, 3DES, RC2, Rijndael (AES), RSA and DSA. Free to try with a 10 second delay, $50 to buy.

yaSSL 1.9.6
yaSSL is an SSL/TLS Library for programmers building embedded security functionality into their applications and devices. yaSSL employs the dual licensing model, like MySQL, so it is available under GPL and commercial licenses. yaSSL also includes an OpenSSL compatibility interface. There is also an extremely small and fast implementation of yaSSL known as CyaSSL.