OneNote is a free (gratis, not libre) cross-platform note-taking application. An API exists allowing developers to create apps which allow users to create OneNote notes in their own notebooks. Users can use the free application on Windows, Mac OS X, Windows Phone, iOS, Android, and the web. It gathers users' notes (handwritten or typed), drawings, screen clippings, and audio commentaries.

In django, a formset is a layer of abstraction to working with multiple forms on the same page. It can be best compared to a data grid.

AutoFixture is an open source library for .NET designed to minimize the 'Arrange' phase of your unit tests. Its primary goal is to allow developers to focus on what is being tested rather than how to setup the test scenario, by making it easier to create object graphs containing test data.

SQLCipher is an open source extension to SQLite that provides transparent 256-bit AES encryption of database files.

A data URI is a URL whose scheme part is 'data:' and which directly represents a resource, rather than the location of a resource.

ImageResizer is a general-purpose .NET image processing library designed for server-side use, and focusing on scalability, safety, and image quality.

Android Development Tools is a plugin for Eclipse that facilitates building Android applications.

Antaris RazorEngine is a parsing engine that allows robust templates using Razor syntax.

In computer science, a selection sort is a sorting algorithm, specifically an in-place comparison sort. It has O(n^2) time complexity, making it inefficient on large lists, and generally performs worse than the similar insertion sort. Selection sort is noted for its simplicity, and it has performance advantages over more complicated algorithms in certain situations, particularly where auxiliary memory is limited.

The Financial Information eXchange Protocol ( a "FIX Protocol" ) is a series of messaging specifications for the electronic communication of both trade-related and quote-stream related electronic trading messages between a market-access venue and a trading-desk operator ( be it a human or an algorithmic-trading engine ).

A native HTML DOM Element method used to get all elements with the specified tag name.