add links to resources in the datasheet

README.md

@@ -474,8 +474,8 @@ The original raw data was not kept.
 
 **Is the software that was used to preprocess/clean/label the data available? If so, please provide a link or other access point.**
 
-Yes, the preprocessing and filtering software is open-sourced. The CURATE pipeline was used for Spanish Crawling and CATalog, and the 
-Ungoliant pipeline was used for the OSCAR project.
+Yes, the preprocessing and filtering software is open-sourced. The [CURATE](https://github.com/langtech-bsc/CURATE) pipeline was used for Spanish Crawling and CATalog, 
+and the [Ungoliant](https://github.com/oscar-project/ungoliant) pipeline was used for the OSCAR project.
 
 #### Uses