Ply is a modal/dialog system that offers a number of options and customizations. You can use it for alerts, confirmations, forms, multi-step dialogs, and more.
Fixel EdgeHancer is an edge enhancement Photoshop filter that features a novel algorithm to enhance and emphasize edges in video frames and images. Unlike "classic" sharpeners, EdgeHancer emphasizes the edges ...
Haystack is modular search for Django. It lets you write your search code once and then choose the search engine you want to run it on.
Cartridge is a Django shopping cart, with a ton of features. It includes features for product popularity, thumbnail generation, smart categories, and more.
FeinCMS is a simple content management system built on Django. It uses bundled content types, and extensions allow it to be as complex (or simple) as you need.
Beego is an open source framework for building applications the Go way. It's easy to use, modular, and intelligent.
Wraith is a responsive screenshot comparison tool. It's well-documented and easy to install.