# Other library right

**URL:** <https://discourse.processing.org/t/other-library-right/15945>\
**Category:** Development\
**Created:** [November 29, 2019, 11:19am UTC](https://discourse.processing.org/t/other-library-right/15945 "2019-11-29T11:19:46Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![matheplica](https://yyz2.discourse-cdn.com/flex036/user_avatar/discourse.processing.org/matheplica/32/21035_2.png) [@matheplica](https://discourse.processing.org/u/matheplica)\
**Post date:** [November 29, 2019, 11:19am UTC](https://discourse.processing.org/t/other-library-right/15945/1 "2019-11-29T11:19:47Z")

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Hi,

I’m programming my own library and I would like to use a part of other library as toxiclib.  
Can I modify the .jar to use only the class I need ?  
Can I take some part of the code and writing the author in comments ?

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**Author:** ![monkstone](https://yyz2.discourse-cdn.com/flex036/user_avatar/discourse.processing.org/monkstone/32/64_2.png) [@monkstone](https://discourse.processing.org/u/monkstone)\
**Post date:** [November 29, 2019, 11:38am UTC](https://discourse.processing.org/t/other-library-right/15945/2 "2019-11-29T11:38:29Z")

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The original author of toxiclibs is Karsten Schmidt aka toxi, you wont find him here, he’s @toxi and @thing\_umbrella twitter @thi.ng medium and he has several websites [https://github.com/thi-ng/umbrella/](https://github.com/thi-ng/umbrella/) as well as [https://github.com/postspectacular/toxiclibs](https://github.com/postspectacular/toxiclibs). I suggest you contact him directly.

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**Author:** ![GoToLoop](https://yyz2.discourse-cdn.com/flex036/user_avatar/discourse.processing.org/gotoloop/32/86_2.png) [@GoToLoop](https://discourse.processing.org/u/GoToLoop)\
**Post date:** [November 29, 2019, 11:45am UTC](https://discourse.processing.org/t/other-library-right/15945/3 "2019-11-29T11:45:36Z")

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> [@matheplica](#):
>
> Can I modify the .jar to use only the class I need ?

Given it’s licensed under LGPL 2.1:

> <https://github.com/postspectacular/toxiclibs/blob/master/LICENSE.txt>

These are some of the rules if you publish modifications of it:

1. You may modify your copy or copies of the Library or any portion  
of it, thus forming a work based on the Library, and copy and  
distribute such modifications or work under the terms of Section 1  
above, provided that you also meet all of these conditions:

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**Author:** ![matheplica](https://yyz2.discourse-cdn.com/flex036/user_avatar/discourse.processing.org/matheplica/32/21035_2.png) [@matheplica](https://discourse.processing.org/u/matheplica)\
**Post date:** [December 1, 2019, 2:40pm UTC](https://discourse.processing.org/t/other-library-right/15945/4 "2019-12-01T14:40:15Z")

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Ok, thanks for the information, I hope to show you my work soon.