Joomla is an open source project and contributions from the community are essential to its growth and success. Anyone can contribute on any level, even newcomers can contribute to Joomla. Read more...
I have tried a few map extensions that make use of Google Maps API and I can say without a doubt Phoca Maps is the best one. Phoca have really though through the implementation of Phoca Maps to make it as easy as possible for you to have maps on your site.
I have tried a number of form creators for Joomla and btForms makes form creation fast and fun. Even some of the grunt work is done with country lists filled out.
Tabs & Slides is a quick way to take very long content and make it much more presentable. The way Tabs & Slides are implemented with tags in the content allows you focus on the content and then split it accordingly.
JCE has been part of my Joomla toolkit for a few years. The annual subscription is excellent value for money. If your site is about content and you are serious about presenting it accordingly, JCE is a must have.