Substance is a fully web-based document authoring and publishing platform. With Substance, writers, journalists, scientists and everyone else who's interested in publishing can use an open platform for writing and sharing articles.
The open source platform to write and publish print and digital books. Booktype is a free, open source platform that produces beautiful, engaging books formatted for print, Amazon, iBooks and almost any ereader within minutes. Create books on your own or with others via an easy-to-use web interface. Build a community around your content with social tools and use the reach of mobile, tablet and ebook technology to engage new audiences.
Seashore is an open source image editor for Mac OS X's Cocoa framework. It features gradients, textures and anti-aliasing for both text and brush strokes. It supports multiple layers and alpha channel editing. It is based around the GIMP's technology and uses the same native file format.
The rvl.io editor is incredibly easy to use. Presentation styles are applied to the slides while you edit them so you'll know exactly what you're getting.
ReText is a simple but powerful text editor for Markdown and reStructuredText. It is written in Python using Qt libraries, able to run on any platforms. You can read more about ReText in our FAQ.
PicPick is an all-in-one program that provides a full-featured screen capture tool, an intuitive image editor, a color picker, a color palette, a pixel- ruler, a protractor, a crosshair and even a whiteboard.
With Picnik you can quickly edit all your online photos from one place. It's the easiest way on the Web to fix underexposed photos, remove red-eye, or apply effects to your photos.