dbdsgnr is an html5 web app which allows you to design your database schema without writing sql.
You can design your database schema just like creating a UML diagram.

Full courses. Short Videos. Free for everyone.

Speaker Deck is the best way to share presentations online. Simply upload your slides as a PDF, and we’ll turn them into a beautiful online experience. View them on SpeakerDeck.com, or share them on any website with an embed code.

WIODE is a web-based open source IDE built as a replacement for the standard desktop-installed IDE's. The aim of the WIODE project is to create and maintain a versatile 'base' IDE that installs quickly and can be customized by anyone using it to make it their own.

Can't believe I haven't posted this before. Use it every single night. Highly recommended.

The Book Depository is the UK's largest dedicated online bookseller offering the largest range of titles in the world, available for dispatch within 48 hours. Free delivery worldwide.

With Gliffy online diagram software, you can easily create professional-quality flowcharts, diagrams, floor plans, technical drawings, and more.

Run your code online (38 programming languages supported). Built with SPOJ Engine.

Có thể coi đây là phiên bản chạy trong trình duyệt của Python

Nghe nhạc trực tuyến. Miễn phí.

Tạp chí hàng tháng của PragProg. Mới ra số 1 hôm 1/7.

Công cụ hỗ trợ viết và test regex.