Drawing software for Windows/macOS/iPad/iPhone/Galaxy. Includes features for illustration, comics, and animation.
Krita - Krita is a professional FREE and open source painting program. It is made by artists that want to seaffordable art tools for everyone. Concept art. texture and matte painters, illustrations and comics.
Sketch Mirror - Preview your iOS designs directly on your devices
Adobe Photoshop - Adobe Photoshop is a webtop application for editing images and photos online.
Flowkit - Sketch library for user flows/content maps/annotations
GIMP - GIMP is a multiplatform photo manipulation tool.
Crystal: Sketch Mirror for Android - Crystal: Sketch Mirror for Android is an application that is designed for viewing your sketch designs in real-time, navigate prototypes and download content related to the sketches for offline viewing.