Open source version of Google Authenticator (except the Android app)
MD5 Checksum Tool
A Collection of Useful Java/Swing Code
Basic encode/decode, files comparison and protect sensitive data
The Remarc Mobile-ID USAT applet
A Java library for Attribute-based Access Control Policies
Tool to detect and correct vulnerabilities in PHP web applications
Securly execute untrusted code from within your application.
Binary Conversion Calculator
BTS Pentesting Lab - a deliberately vulnerable Web application
ISC lets you encrypt & decrypt text and files of any type up to 4GB
AES Encryption Program
Replace text with POS equivalent text, in a reversible fashion.
Runs untrusted code in a safe, sandboxed environment easily.
Open source to productivity
Java code that enables you to sign documents using a smart card.
A Java application for transferring computer files in 5 letter groups
Go to github.com/vlm/asn1c for the latest version.
Encrypt a text through a list of encryption methods