tesseract-ocr/tesseract
Tesseract Open Source OCR Engine (main repository)
What it does
Tesseract is a free, open-source tool that reads text from images — snap a photo of a document, receipt, or sign, and it converts what it sees into actual, editable text in over 100 languages. It works with common image formats and can output the extracted text in a variety of formats including plain text and PDF.
Why it matters for PMs
With 72,000+ stars and nearly 200 contributors, Tesseract is effectively the industry-standard free alternative to paid text-recognition APIs from Google or Amazon, meaning startups can build document scanning, data extraction, or accessibility features without licensing costs. Any product that needs to digitize physical documents — insurance claims, legal paperwork, receipts, forms — can use this as a core building block, dramatically reducing time-to-market and vendor dependency.
Early stage — limited signal data
Score updated Feb 18, 2026
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