Drawpile is a Free software collaborative drawing program that allows multiple users to sketch on the same canvas simultaneously. …dupeGuru एक क्रॉस-प्लेटफ़ॉर्म हैड्रापाइल
Krita is a FREE and open source painting tool designed for concept artists, illustrators, matte and texture artists, and the VFX industry. …dupeGuru एक क्रॉस-प्लेटफ़ॉर्म हैगिरा