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+layout: page
+title: SIGMathLing - Systems & Libraries
+---
+only a few, but see the [plan](/techical/) 
+
+* [CorTeX](http://cortex.mathweb.org) A general purpose processing framework for corpora of scientific documents, see the [mathweb istance](http://cortex.mathweb.org/). 
+* [KAT](http://kwarc.github.io/KAT) An Annotation Tool for STEM Documents
+* [llamapun](https://github.com/KWARC/llamapun): common language and mathematics processing algorithms, in Rust