olmOCR is listed under AI OCR & Document Extraction, in the Research & Learning category on Flocci AI Tools. Apache 2.0 open-source OCR toolkit from Ai2, 19.3k GitHub stars. It is free, with no paid plan attached, and it lives at github.com.
olmOCR is listed as fully free — there is no paid tier attached to it in the catalog. That makes it one of the 115 entries on Flocci AI Tools with no upgrade path built in.
olmOCR does 3 things the catalog singles out: Apache 2.0 open-source ocr toolkit from ai2, 19.3k github stars; vision-language-model based, handles equations/tables/multi-column layout; runs at a fraction of commercial ocr cost on a 7b model.
Docling is the closest free alternative: it sits in the same AI OCR & Document Extraction sub-category and is free. Marker, AskYourPDF and Humata also start free. The full list is on the alternatives page.
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