A free program for Android, by Michael Dombrowski.

The Conligata app is a free design program for knit designers to designing knitting charts and knitting patterns. It allows you to easily create, edit, share and print your own knitting designs. The app is available for iOS and Android devices.

The program is a perfect tool for designers of any level, from beginners to experts. It can be used to edit existing charts or create new ones from scratch. You can also use it to design patterns, which can be printed or uploaded to a site. It has a built-in camera to take pictures of your work and a built-in editor to edit them.