Aseprite - Aseprite is an art program dedicated to the creation of pixel art.
Now UI Kit - A beautiful Bootstrap 4 UI kit. Yours free.
Pixel Art Studio - A purpose-built drawing tool for pixel artists
Dashboard UI Kit - A modern & responsive dashboard UI kit for designers.
Pixilart - A drawing app for delightfully retro pixel art
Landing UI Kit - Handcrafted UI components for landing pages