Rebelle is a digital painting application that simulates natural media such as oils, acrylics, watercolours and dry media like pencils and pastels. It simulates pigment mixing, oil thickness and watercolour diffusion, among other things, and offers brushes, layers and masks, a ruler and perspective tool, symmetry and time-lapse recording of the painting process. The Pro edition adds further features, including PSD import and export. Rebelle is a standalone desktop application for Windows and macOS with a perpetual licence.
Rebelle is developed by Escape Motions, s.r.o., based in Piešťany, Slovakia. The software is installed locally; an internet connection is needed for activation. According to the privacy policy, the software sends registration details, IP address and software version, among other things, and usage analytics can be switched off in the settings. Payments go through FastSpring as merchant of record, and website and forum data are held with Exohosting (Slovakia) and HostHatch (USA). Rebelle is not open source.