Is there any free open source chart library available for iphone/ipad? [duplicate]

This question already has answers here: Is there a good charting library开发者_如何学编程 for iPhone? [closed] (8 answers) Closed 9 years ago.

Is there any free open source chart library available for iphone/ipad ?

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Core Plot is such a library.

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Tapku library has a line plot chart

http://tapku.com

https://github.com/devinross/tapkulibrary/wiki/Graph