open refine - SERP Analysis

https://openrefine.org/

https://openrefine.org/download

https://en.wikipedia.org/wiki/OpenRefine

https://openrefine.org/docs

https://github.com/OpenRefine/OpenRefine

https://www.youtube.com/watch?v=sAS0_RQSmms

https://forum.openrefine.org/t/using-openrefine-for-cleaning-data/994

https://infoguides.gmu.edu/textanalysistools/openrefine

https://www.quora.com/What-is-the-difference-between-OpenRefine-and-Google-Refine

https://code.google.com/archive/p/google-refine

https://www.library.upenn.edu/rdds/work/open-refine

https://datacarpentry.github.io/OpenRefine-ecology-lesson/