Definitions of algorithms, data structures, and classical Computer Science problems. Some entries have links to implementations and more information.

A program which is able to encrypt and decrypt files of every type and even whole directory structures using strong encryption.

A research journal of the Association for Computing Machinery (ACM). Provides coverage of the most significant work going on in computer science, broadly construed.

University of Illinois, Chicago - Computer hardware, Data structures, Fast arithmetic, Number theory, Networking

Indian Institute of Technology, Delhi - Computational Geometry, Graph Algorithms, Combinatorial Optimization, Graphics, Data Structures

Images Control 32 provides indexed and searchable storage structures to help organize all photos and images.

DataWorkshop, a flexible, multiplatform binary data editor with user defined structures written in java

A tool for programmers to diagram their code structures to make their applications easier to understand. Notation used by the software is based on the Object Modeling Technique.

Focuses on the application of areas such as logic, algebra, geometry and category theory to theoretical computer science.

The SPKI document gives the theory behind SPKI certificates and ACLs without going into technical detail about those structures or their uses.