Mayan EDMS is a document manager Web application with custom metadata indexing, file serving integration, and OCR capabilities. It features user defined metadata fields, dynamic default values for metadata, lookup support for metadata, filesystem integration by means of metadata indexing directories, user defined document UUID generation, local file or server side staging file uploads, batch uploading of many documents with the same metadata, user defined document checksum algorithms, previews for a great deal of image formats including PDF, document OCR and searching, automatic grouping of documents by metadata, permissions and roles support, multi-page document support, page transformations, distributed OCR processing, and support for multiple languages.
OpenALPR is an automated license plate recognition library that analyzes images and identifies license plates. The output is the text representation of any license plate characters found in the image. It uses OpenCV computer vision libraries to recognize and analyze the plate images, and the Tesseract OCR library and a specially trained character set to recognize characters.