There are three main activities you can do within Pearltrees: organize, share and discover.
Easily organize what you've found on the web. The simple and intuitive interface makes sorting your interests, your passions and your ideas easy. Pearltrees allows you to give a precise meaning to the content you've archived making retrieval and reuse a pleasure.
You can also instantly share the content you've organized. In Pearltrees, everything is public. All other users can see what you've organized and you can see everything that others have collected. This lets you easily find users with common interests and when you do, you can team up with them and curate a topic together.
Pearltrees also lets you discover a web organized by others. Do you like discovering a city with a friend who already lives there? With Pearltrees, you can enjoy a similar though digital experience and learn about a new topic, a newsworthy issue or anything else that captures your attention, all curated by other people just like you.
Mojikan is a new site that aims to introduce a new concept of interactive tools for online social behavior. They are still heavily involved with their site development, but you can still explore parts of their site, and see what they plan to offer.
jQuery UI provides abstractions for low-level interaction and animation, advanced effects and high-level, themeable widgets, built on top of the jQuery JavaScript Library, that you can use to build highly interactive web applications.
Kig is a program for exploring geometric constructions.
It is meant as a better replacement for such free programs as KGeo, KSeg and Dr. Geo and commercial programs like Cabri.
Eukleides is a Euclidean geometry drawing language. Two softwares are related to it. First, eukleides, a compiler which allows to typeset geometric figures within a (La)TeX document. This program is also useful to convert such figures in EPS format or in various other vector graphic formats. Second, xeukleides, a GUI front-end which makes possible to create interactive geometric figures. This program is also useful to edit and tune some Eukleides code.
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