flex engine

Building and maintaining expressive web applications

An annual subscription of software examples

Covers 15 of the most common engine building and performance calculations.

Search Engine Optimization (SEO) toolbar for Firefox and IE browser

APE is a free AS3 open source 2D physics engine for use in Flash and Flex.

Fluid Dynamics Search Engine is an easy-to-install search engine for your site

Get top search engine rankings with this search engine optimization wizard

An open source, high precision corporate search engine based on Apache Nutch.

YaCy is a scalable web search engine

This is a Ruby implementation of a basic interactive fiction (IF) engine.