Syncfusion Essential Studio for JavaScript for $1

http://www.syncfusion.com/sales/offers/js-hobbyist

To celebrate the official release of Essential Studio for JavaScript, Syncfusion is offering a special hobbyist license. Hobbyist licenses allow for commercial use by individual developers.

+ The first JavaScript control framework designed for line-of-business (LOB) applications

+ 40+ unique controls including charts, grids, maps, gauges and much more

+ Includes one year of support and updates