Webuzo has listed 20 popular virtual appliance stacks which are ready-to-use and the attached video guides you all the way. A virtual appliance is a virtual machine image designed to run on a virtualization platform specially for the VMware environment using tools like VMPlayer, Fusion, etc.

Here is the list of VMs added :
1 ) Webuzo Help Center Live Stack
Webuzo Help Center Live Stack for the VMWare Environment Help Center Live is an open-source, community driven live chat & support system. You may easily provide live support on your website just like large companies do with very little work. With Help Center Live, you can provide a real-time, live support or sales person experience.

Review , Rate and View Demo of Help Center Live here:
http://webuzo.com/apps/customersupport/Help_Center_Live
Learn more about the Webuzo Help Center Live Stack from the VMWare Market Place

2 ) Webuzo Tiki Wiki CMS Groupware 9 Stack
Webuzo Tiki Wiki CMS Groupware 9 Stack for the VMWare Environment Tiki is a CMS/Groupware which offers a large number of features "out-of-the-box" arguably more than any other Open Source Web Application. It can be overwhelming, even to an experienced user or administrator. Tiki has all the classic CMS and portal features of other applications, but also includes features not available anywhere else. Tiki is highly configurable and modular; all features are optional and can be administered through Tiki's browser-based interface.

Review , Rate and View Demo of Tiki Wiki CMS Groupware 9 here:
http://webuzo.com/apps/cms/Tiki_Wiki_CMS_Groupware_9
Learn more about the Webuzo Tiki Wiki CMS Groupware 9 Stack from the VMWare Market Place

3 ) Webuzo Pligg Stack
Webuzo Pligg Stack for the VMWare Environment Pligg is an open source Content Management System. Pligg CMS provides social networking software that encourages visitors to register on your website so that they can submit content and connect with other users. Our software creates websites where stories are created and voted on by members, not website editors.

Review , Rate and View Demo of Pligg here:
http://webuzo.com/apps/cms/Pligg
Learn more about the Webuzo Pligg Stack from the VMWare Market Place

4 ) Webuzo WebMail Lite Stack
Webuzo WebMail Lite Stack for the VMWare Environment WebMail Lite is Fast and easy-to-use webmail front-end for your existing POP3/IMAP mail server. WebMail Lite can be used to access mail on virtually any POP3 or IMAP enabled mail server. The integrated web administration panel allows you to manage the system settings without manual editing config files.

Review , Rate and View Demo of WebMail Lite here:
http://webuzo.com/apps/mail/WebMail_Lite
Learn more about the Webuzo WebMail Lite Stack from the VMWare Market Place

5 ) Webuzo ocPortal Stack
Webuzo ocPortal Stack for the VMWare Environment ocPortal is the website Content Management System (a CMS) for building and maintaining a dynamic website. ocPortal's powerful feature-set means there's always a way to accomplish your vision. Not only does ocPortal's CMS have all the features you'd expect: for instance photo galleries, news, file downloads and community forums/chats, but it does so whilst meeting the highest accessibility and professional standards. It is also smart enough to go beyond page management, to automatically handle search engine optimisation, and provide aggressive hack attack prevention.

Review , Rate and View Demo of ocPortal here:
http://webuzo.com/apps/cms/ocPortal
Learn more about the Webuzo ocPortal Stack from the VMWare Market Place

6 ) Webuzo Textpattern Stack
Webuzo Textpattern Stack for the VMWare Environment Textpattern is a web application designed to help overcome the hurdles to publishing online, and to simplify the production of well-structured, standards-compliant web pages. Textpattern is a flexible, elegant and easy-to-use content management system. It is both free and open source.

Review , Rate and View Demo of Textpattern here:
http://webuzo.com/apps/blogs/Textpattern
Learn more about the Webuzo Textpattern Stack from the VMWare Market Place

7 ) Webuzo Etano Stack
Webuzo Etano Stack for the VMWare Environment Etano can be used to start up a dating site, a social networking site, a classifieds site or any other type of site involving groups of people, companies, products.

Review , Rate and View Demo of Etano here:
http://webuzo.com/apps/socialnetworking/Etano
Learn more about the Webuzo Etano Stack from the VMWare Market Place

8 ) Webuzo XMB Stack
Webuzo XMB Stack for the VMWare Environment XMB is a lightweight PHP forum software with all the features you need to support a growing community. With outstanding community support and contribution, you will find XMB to be easy to setup, customize, and enhance.

Review , Rate and View Demo of XMB here:
http://webuzo.com/apps/forums/XMB
Learn more about the Webuzo XMB Stack from the VMWare Market Place

9 ) Webuzo WeBid Stack
Webuzo WeBid Stack for the VMWare Environment WeBid is an open-source auction script written in the popular language PHP which a massive collection of inbuilt features WeBid is the prefect chose for setting up any auction site.

Review , Rate and View Demo of WeBid here:
http://webuzo.com/apps/others/WeBid
Learn more about the Webuzo WeBid Stack from the VMWare Market Place

10 ) Webuzo Mambo Stack
Webuzo Mambo Stack for the VMWare Environment Mambo is a full-featured, award-winning content management system that can be used for everything from simple websites to complex corporate applications. It is used all over the world to power government portals, corporate intranets and extranets, ecommerce sites, nonprofit outreach, schools, church, and community sites. Mambo's "power in simplicity" also makes it the CMS of choice for many small businesses and personal sites.

Review , Rate and View Demo of Mambo here:
http://webuzo.com/apps/cms/Mambo
Learn more about the Webuzo Mambo Stack from the VMWare Market Place

11 ) Webuzo Claroline Stack
Webuzo Claroline Stack for the VMWare Environment Claroline is an Open Source eLearning and eWorking platform allowing teachers to build effective online courses and to manage learning and collaborative activities on the web. Translated into 35 languages, Claroline has a large worldwide users and developers community.

Review , Rate and View Demo of Claroline here:
http://webuzo.com/apps/educational/Claroline
Learn more about the Webuzo Claroline Stack from the VMWare Market Place

12 ) Webuzo Gregarius Stack
Webuzo Gregarius Stack for the VMWare Environment Gregarius is a web-based RSS/RDF/ATOM feed aggregator, designed to run on your web server, allowing you to access your news sources from wherever you want.

Review , Rate and View Demo of Gregarius here:
http://webuzo.com/apps/rss/Gregarius
Learn more about the Webuzo Gregarius Stack from the VMWare Market Place

13 ) Webuzo Geeklog Stack
Webuzo Geeklog Stack for the VMWare Environment Geeklog is a PHP/MySQL based application for managing dynamic web content. "Out of the box", it is a blog engine, or a CMS with support for comments, trackbacks, multiple syndication formats, spam protection, and all the other vital features of such a system.

Review , Rate and View Demo of Geeklog here:
http://webuzo.com/apps/cms/Geeklog
Learn more about the Webuzo Geeklog Stack from the VMWare Market Place

14 ) Webuzo Subrion Stack
Webuzo Subrion Stack for the VMWare Environment Subrion is a stand-alone PHP content management system that is very easy to use. It comes with a ton of great features including full source editing, per-page permissions, user activity monitoring, and much more. Subrion CMS unites the functionality of articles script, auto classifieds script, realty classifieds script, web directory script, and yellow pages script all in one package.

Review , Rate and View Demo of Subrion here:
http://webuzo.com/apps/cms/Subrion
Learn more about the Webuzo Subrion Stack from the VMWare Market Place

15 ) Webuzo Contao Stack
Webuzo Contao Stack for the VMWare Environment Contao is an open source content management system (CMS) for people who want a professional internet presence that is easy to maintain. The state-of-the-art structure of the system offers a high security standard and allows you to develop search engine friendly websites that are also accessible for people with disabilities. Furthermore, the system can be expanded flexibly and inexpensively.

Review , Rate and View Demo of Contao here:
http://webuzo.com/apps/cms/Contao
Learn more about the Webuzo Contao Stack from the VMWare Market Place

16 ) Webuzo Chamilo Stack
Webuzo Chamilo Stack for the VMWare Environment Chamilo is a fully-fledged e-learning system. Get your teachers and trainers up and teaching in no time. Some of our users report a 1/5 ratio in training time compared to the most famous open-source LMS to get them ready. Trainers can get to work in just one day! The future of teaching is bright, and so is Chamilo. With developments into adaptive assessment, social and mobile learning, skills management and many more other topics, the Chamilo association and high-technology members ensure you get a free software with the latest innovation from around the world.

Review , Rate and View Demo of Chamilo here:
http://webuzo.com/apps/educational/Chamilo
Learn more about the Webuzo Chamilo Stack from the VMWare Market Place

17 ) Webuzo YOURLS Stack
Webuzo YOURLS Stack for the VMWare Environment YOURLS is a small set of PHP scripts that will allow you to run your own URL shortening service (a la TinyURL). You can make it private or public, you can pick custom keyword URLs, it comes with its own API. You will love it.

Review , Rate and View Demo of YOURLS here:
http://webuzo.com/apps/others/YOURLS
Learn more about the Webuzo YOURLS Stack from the VMWare Market Place

18 ) Webuzo Collabtive Stack
Webuzo Collabtive Stack for the VMWare Environment Collabtive is web-based project management software. Collabtive is intended for small to medium-sized businesses and freelancers. Collabtive is cloud based groupware easy and efficient for your projects.

Review , Rate and View Demo of Collabtive here:
http://webuzo.com/apps/projectman/Collabtive
Learn more about the Webuzo Collabtive Stack from the VMWare Market Place

19 ) Webuzo FluxBB Stack
Webuzo FluxBB Stack for the VMWare Environment FluxBB is a free open source forum application designed to be fast, light and user friendly. FluxBB's code, written in PHP, has a proven track record of stability and security. FluxBB is being actively developed.

Review , Rate and View Demo of FluxBB here:
http://webuzo.com/apps/forums/FluxBB
Learn more about the Webuzo FluxBB Stack from the VMWare Market Place

20 ) Webuzo sNews Stack
Webuzo sNews Stack for the VMWare Environment sNews is a completely free, standards compliant, PHP and MySQL driven Content Management System. sNews is extremely lightweight, simple and customizable. It's easy to install, and easy to use via a simple web interface. sNews consists of only one core engine file, one independent template file and its accompanying CSS stylesheet file, plus an .htaccess file that makes all URLs search engine friendly.

Review , Rate and View Demo of sNews here:
http://webuzo.com/apps/cms/sNews
Learn more about the Webuzo sNews Stack from the VMWare Market Place