Serendipity Weblog

Serendipity - a PHP Weblog/Blog software

SilverStripe CMS

SilverStripe - Open Source CMS / Framework

Sitefinity CMS

ASP.Net CMS

Shopify ecommerce

Shopify offers a complete ecommerce solution

Shopware AG ecommerce

Your Gate to international markets

Simple Machines Forum

Simple Machines Forum: elegant, effective, powerful, free. It's that simple.

Survey Monkey

Create smart, professional surveys with ease.

SyntaxHighlighter

Free syntax highlighter written in Java Script

SalesForce Desk

Connect with your customers wherever they are.

ScrewTurn Wiki

Free ASP.NET Wiki Software - ScrewTurn Wiki

Sphinx Documentation

Python Documentation Generator

Scriptaculous script (Script.aculo.us)

ScrollBack

Beautiful text chat for your community.

sIFR Typography

sIFR 2.0: Rich Accessible Typography for the Masses

Spine JS

Build Awesome JavaScript MVC Applications

SuperFish menu script

Superfish - Suckerfish on 'roids

SWFObject (flash)

ServaxNet server

ShareThis widgets

Powering the Sharing Revolution

Scorecard Research

SiteCatalyst (omniture tracker)

Sitemeter

StatCounter

Free Invisible Web Tracker, Hit Counter and Web Stats

SynthaSite / Yola

Create a professional, free website in minutes

Skype Me Button (Chat widget)

Get a Skype button

SlideShare PowerPoint widget

Upload & Share PowerPoint presentations and documents

Smartling - Language Translation

Website Translation Software, Translation API, Mobile App Translation, Crowdsource Translations

SnapEngage Live chat

Live Chat for your Website

SoundCloud

Share Your Sounds

Spotify - music widget

Spotify - A world of music

Streampad music widget

Pad your Bottom!