One of the maintainer here. We just now open-sourced a new ocr library. It contains 5 text detection algorithm, 4 text recognition algorithms, and 1 key information extraction algorithm (details see [1]). It is used internally for some time. We are exicted to join the OpenMMLab [2] ecosystem, and we hope you could try it, and let issues and prs coming!
[1] https://mmocr.readthedocs.io/en/latest/modelzoo.html
[2] https://openmmlab.com/