Dr. Geo is an interactive geometry program that is distributed as a universal portable application. It allows one to create a geometric sketch and manipulate it according to its constraints. It is usable at home or at school, in primary or secondary education. It is simple and effective with extended features including scripting and programming.
Kiwix is an offline reader for Web content. It was designed for use with Wikipedia, but is potentially suitable for all HTML content. It supports the ZIM format, a highly compressed open format with additional meta-data. It is intended for use in schools, universities, and libraries which can't afford broadband Internet access. It features a full text search engine, bookmarks and notes, an HTTP server, PDF/HTML export, a user interface in more than 80 languages, tabbed navigation, and an integrated content manager and downloader.
KeePass is a light-weight and easy-to-use password manager that removes the need for you to remember many different passwords and makes it more feasible to use different passwords for each account. It manages your passwords in a secure database encrypted with AES and Twofish, which is locked with one master key or a key file.
WordPress FAQ is a cool plugin for creating your FAQ section . It has a lot of parameters to set, and it will allow you set your own theme from scratch. It has a user-friendly front-end and back-end interface, allowing you to set all parameters quickly and easily. FAQs have SEO-friendly URLs.
Joomla contact form builder extension is a complicated tool for making submission forms for your Joomla website. It permits you to specify parameters like colors and fonts. It can use a Google map when given an address or geographical coordinates (longitude and latitude), and the user can drag the marker to the required location.