Some of the many third-party open source components will be available soon on this page: first we list only the categories so that you can already search on the net if needed.

Accessibility
Advertising Banners
Amazon
Auction
Backup
Blog
Books
Calendar
Categories / Sections
Chat
Church
Classified Ads
Comments
Contacts
Content Management
Credits
CRM
Data Conversion
Directory (People)
Downloads
Donations
WYSIWYG Editors
FAQ
File Management
Forms
Forum
Gallery
Glossary – Dictionary
Google
Group Access
Guestbook
Help Desk
Images
LDAP
Link Directory
Link Exchange
Menu System
Messaging
Meta Tags
Metasearch
Multi-Language
Multiple Sites
News
Newsletter
Payment Systems
Podcasting
Polls
Post Cards
Quiz
Ratings and Reviews
Real Estate
Recipe
Related Items
RSS
Search
Security
SEF – SEO
Server
Shopping Cart
Site Map
Statistics
Streaming Media
User Home Pages
User Management
WAP
Weather
Wiki
XML

the official site where to find the different projects http://joomlacode.org/gf/project/

VirtueMart: latest stable release. v1.0.12 Download link (Free)