A type of encryption which uses one key to encrypt a message and another to decrypt the message.

A jagged array is an array whose elements are arrays. The elements of a jagged array can be of different dimensions and sizes. A jagged array is sometimes called an "array of arrays."

Bazaar is a free distributed version control system (DVCS).

Free and open source forum software written in PHP

DolphinDB is a high performance time series database. It is written in C++ and optimized for fast injection, storage, retrieval and analysis of time series data in fields such as quantitative finance, Internet of Things, real-time analytics, etc. DolphinDB runs extremely fast. It is also easy to use as the syntax of the programming language of DolphinDB is similar to SQL and Python.

MoviePy is a Python module for video editing, which can be used for basic operations (like cuts, concatenations, title insertions), video compositing (a.k.a. non-linear editing), video processing, or to create advanced effects.

SAP SQL Anywhere is an RDBMS, produced by SAP. Before version 10, use [sybase-asa].

The UML sequence diagram

Active Support is the Ruby on Rails component responsible for providing Ruby language extensions, utilities, and other transversal stuff.

One time passwords are designed as single use passwords which expire after use. They are often more secure than single factor authentication methods such as username-password (something the user knows) due to their single use which makes replay attacks impossible