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# Aseprite
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*Copyright (C) 2001-2016 David Capello*
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[](https://travis-ci.org/aseprite/aseprite)
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[](https://gitter.im/aseprite/aseprite?utm_source=badge& utm_medium=badge& utm_campaign=pr-badge& utm_content=badge)
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> THIS PROGRAM IS DISTRIBUTED WITHOUT ANY WARRANTY<br/>
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> See the [license section](#license) for more information.
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## Introduction
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**Aseprite** is an open source program to create animated sprites.
Its main features are:
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* Sprites are composed by [**layers** & **frames** ](http://www.aseprite.org/docs/timeline/ ) (as separated concepts).
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* Supported [color modes ](http://www.aseprite.org/docs/color/ ): **RGBA** , **Indexed** (palettes up to 256
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colors), and Grayscale.
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* Load/save sequence of **PNG** files and **GIF** animations (and
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FLC, FLI, JPG, BMP, PCX, TGA).
* Export/import animations to/from **Sprite Sheets** .
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* **Tiled** drawing mode, useful to draw **patterns** and textures.
* **Undo/Redo** for every operation.
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* Real-time **animation preview** .
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* [**Multiple editors** ](http://www.aseprite.org/docs/workspace/#drag-and-drop-tabs ) support.
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* Pixel-art specific tools like filled **Contour** , **Polygon** , [**Shading** ](http://www.aseprite.org/docs/shading/ ) mode, etc.
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* **Onion skinning**
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## Issues
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There is a list of
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[Known Issues ](https://github.com/aseprite/aseprite/issues ) (things
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to be fixed or that aren't yet implemented).
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If you found a bug or have a new idea/feature for the program,
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[you can report them ](https://github.com/aseprite/aseprite/issues/new ).
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## Support
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You can ask for help in:
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* Our official support email address: [support@aseprite.org ](mailto:support@aseprite.org )
* [Aseprite group/mailing list ](http://groups.google.com/group/aseprite-discuss ) ([subscribe](mailto:aseprite-discuss+subscribe@googlegroups.com))
* Social networks and community-driven places:
[Twitter ](https://twitter.com/aseprite/ ),
[Facebook ](https://facebook.com/aseprite/ ),
[YouTube ](https://www.youtube.com/user/aseprite ),
[Google+ ](https://plus.google.com/+AsepriteOrg/posts ),
[IRC ](http://webchat.freenode.net/?channels=aseprite ),
[DeviantArt ](https://aseprite.deviantart.com/ ).
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## Authors
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* David Capello [davidcapello@gmail.com ](mailto:davidcapello@gmail.com ) < br />
Programmer, designer, and maintainer. < br / >
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http://davidcapello.com/
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* Ilija Melentijevic < br />
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New GUI skin for Aseprite v0.8. A lot of good ideas. < br / >
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http://ilkke.blogspot.com/ < br / >
http://www.pixeljoint.com/p/9270.htm
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* Contributors < br />
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http://www.aseprite.org/contributors/
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Thanks to all the people who have contributed ideas, patches, bugs
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report, feature requests, donations, and help me developing Aseprite.
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## Credits
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Aseprite includes color palettes created by:
* [Richard "DawnBringer" Fhager ](http://pixeljoint.com/p/23821.htm ) palettes, [16 colors ](http://pixeljoint.com/forum/forum_posts.asp?TID=12795 ), [32 colors ](http://pixeljoint.com/forum/forum_posts.asp?TID=16247 ).
* [Arne Niklas Jansson ](http://androidarts.com/ ) palettes, [16 colors ](http://androidarts.com/palette/16pal.htm ), [32 colors ](http://wayofthepixel.net/index.php?topic=15824.msg144494 ).
It tries to replicate some pixel-art algorithms:
* [RotSprite ](http://forums.sonicretro.org/index.php?showtopic=8848&st=15&p=159754&#entry159754 ) by Xenowhirl.
* [Pixel perfect drawing algorithm ](http://deepnight.net/pixel-perfect-drawing/ ) by [Sébastien Bénard ](https://twitter.com/deepnightfr ) and [Carduus ](https://twitter.com/CarduusHimself/status/420554200737935361 ).
And it uses the following third-party libraries:
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* [Allegro 4 ](http://alleg.sourceforge.net/ ) - [allegro4 license ](https://github.com/aseprite/aseprite/tree/master/docs/licenses/allegro4-LICENSE.txt )
* [FreeType ](http://www.freetype.org/ ) - [FTL license ](https://github.com/aseprite/aseprite/tree/master/docs/licenses/FTL.txt )
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* [Google Test ](https://github.com/google/googletest ) - [gtest license ](https://github.com/aseprite/aseprite/tree/master/docs/licenses/gtest-LICENSE.txt )
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* [XFree86 ](http://www.x.org/ ) - [XFree86 license ](https://github.com/aseprite/aseprite/tree/master/docs/licenses/XFree86-LICENSE.txt )
* [curl ](http://curl.haxx.se/ ) - [curl license ](https://github.com/aseprite/aseprite/tree/master/docs/licenses/curl-LICENSE.txt )
* [giflib ](http://sourceforge.net/projects/giflib/ ) - [giflib license ](https://github.com/aseprite/aseprite/tree/master/docs/licenses/giflib-LICENSE.txt )
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* [libjpeg ](http://www.ijg.org/ ) - [libjpeg license ](https://github.com/aseprite/aseprite/tree/master/docs/licenses/libjpeg-LICENSE.txt )
* [libpng ](http://www.libpng.org/pub/png/ ) - [libpng license ](https://github.com/aseprite/aseprite/tree/master/docs/licenses/libpng-LICENSE.txt )
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* [libwebp ](https://developers.google.com/speed/webp/ ) - [libwebp license ](https://chromium.googlesource.com/webm/libwebp/+/master/COPYING )
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* [loadpng ](http://tjaden.strangesoft.net/loadpng/ ) - [zlib license ](https://github.com/aseprite/aseprite/tree/master/docs/licenses/ZLIB.txt )
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* [pixman ](http://www.pixman.org/ ) - [MIT license ](http://cgit.freedesktop.org/pixman/plain/COPYING )
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* [simpleini ](https://github.com/aseprite/simpleini/ ) - [MIT license ](https://github.com/aseprite/simpleini/blob/aseprite/LICENCE.txt )
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* [tinyxml ](http://www.sourceforge.net/projects/tinyxml ) - [zlib license ](https://github.com/aseprite/aseprite/tree/master/docs/licenses/ZLIB.txt )
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* [zlib ](http://www.gzip.org/zlib/ ) - [ZLIB license ](https://github.com/aseprite/aseprite/tree/master/docs/licenses/ZLIB.txt )
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* [modp_b64 ](https://github.com/aseprite/aseprite/tree/master/third_party/modp_b64/modp_b64.h ) - [BSD license ](https://github.com/aseprite/aseprite/tree/master/third_party/modp_b64/LICENSE )
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## License
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This program is distributed under three different licenses:
1. Source code is distributed under
[GNU General Public License ](LICENSE.txt ) version 2,
which means that compiled versions can be generated under GPL terms.
(Useful for Linux distributions.)
2. Official releases are distributed under a [commercial EULA ](EULA.txt ).
3. And Steam releases are distributed under the terms of the
[Steam Subscriber Agreement ](http://store.steampowered.com/subscriber_agreement/ ).
As a side note, to distribute Aseprite under these licenses we don't
use third party GPL libraries.
