Pixelorama

Unleash your creativity with Pixelorama, a powerful and accessible open-source pixel art multitool. Whether you want to create sprites, tiles, animations, or just express yourself in the language of pixel art, this software will realize your pixel-perfect dreams with a vast toolbox of features.

Features:

• A variety of different tools to help you create, with the ability to dynamically map each one on the left and the right mouse buttons with a single click.
  
• Animation support with a timeline composed of layers and frames, with onion skinning, frame tags and the ability to draw while the animation is playing.
  
• Pixel perfect mode for perfect pixel lines.
  
• Clipping masks.
  
• Pre-made palettes as well as many palette importing options.
  
• Multiple image manipulation effects.
  
• Non-destructive and fully customizable layer effects, such as outline, gradient map, drop shadow and palettize.
  
• A powerful drawing canvas with guides, a rectangular and an isometric grid, and tile mode for easier seamless pattern creation.
  
• Autosave support, with data recovery in case of a software crash.
  
• Comprehensive user interface with many customizability options.
  
• Export to PNG and other image and video formats, as well as spritesheets, GIFs, animated PNGs etc.
  
• Import spritesheets, multiple images as separate frames, as well as GIFs and videos.
  
• Various rotation and scaling algorithms tailored for pixel art, such as cleanEdge, OmniScale and rotxel.
  
• 3D layers that allow you to bring 3D shapes and models into your 2D canvas.
  
• A command line interface for automated file exporting.
  
• Custom user data for projects, layers, frames, frame tags and cels, allowing you to attach metadata for game development.
  
• Various free community-made extensions, such as tools that automatically convert your 2D pixels into 3D voxels.
  
• Fully open source with free updates, forever!