No Encryption No Callback

Twitter Clone v2.2.1 (US$99) is the finest clone and a powerful micro-blogging solution available online. It comes with a host of stylish features and new modules. || Features => customizable Design, Easily Add Languages, User Profiles, Follow User, Add Friends, User Feed, Send Messages, Add comments, Add followers, Friend requests, Search postings, Password encryption, RSS results per page, Maximum characters per update, Enable or disable the image confirmation system, Add/ edit advertisements, Powerful and feature-rich CMS admin panel and many more. || Support => Free Support and Free Upgrade. || Specialty => Hacking Protection. More details at http://itechscripts.com

ReVou Micro Blogging is a revolutionary PHP software that allows you to start your Twitter clone site. ReVou offers you the next generation social networking and mobile blogging solution for your users bringing more viral growth for your site. Revou is fully customizable and feature pack including SMS/Web/IM/Email support, mobile phone plugin, custom API, ReVou vision addon, Google Maps Integration, Widgets Plugin, Paypal integrated, RSS feeds, email importer and more. Instant Messenging supported: MSN, GTalk, AIM, Yahoo Messenger. Earn more revenues with ReVou through paid SMS subscription and web advertising.

This script runs on the Twitter api, and returns the latest tweets using your desired keywords.

Floopo enables to to create a micro blog (or what some would call a twitter clone) in just minutes. It comes with all the features you would expect but also includes some very cool features. For more details on the full list of feature see Micro blog features You members will be able to post updates using 140 characters or less. These updates will then show in their "stream" and anyone that is following them will be able to see just what they are up to. Aprt from text status updates, they will also be able to post images directly on your micro blog without having to use third party services.

PHP Twitter PE Edition (Personal Edition) Is a script website written in PHP and using one mysql database.This open source PHP package allows for you to run your own website like the popular twitter site does (aka: a “php twitter clone”) accept that it is tailored toward you and your visitors only.

Yonkly is an open source twitter clone, micro-blogging platform that lets you create text & picture messages with threaded conversations and groups.

One of the most popular trends on the web today is something called "Micro-Blogging". Made famous by Twitter.com, Micro-blogging is the best and most simple solution to answering the everyday question, "What are you doing?". To most, it is used to describe life between blog posts - but the possibilities for it's use are endless. Sites like these are known to skyrocket in ratings and revenue quickly, you could be the next Twitter!

Laconica is a open source twitter clone. It's not full published yet but it will work like twitter and you're able to run it on your own site. There's already a version running: http://identi.ca/

ReVou Micro Blogging is a revolutionary PHP software that allows you to start your Twitter clone site. ReVou offers you the next generation social networking and mobile blogging solution for your users bringing more viral growth for your site. Revou is fully customizable and feature pack including SMS/Web/IM/Email support, custom API, ReVou vision addon, Google Maps Integration, Widgets Plugin, Paypal integrated, RSS feeds, email importer and more. Instant Messenging supported: MSN, GTalk, AIM, Yahoo Messenger. Earn more revenues with ReVou through paid SMS subscription and web advertising.