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Top 15 C# OCR Projects
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InfluxDB
InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
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Text-Grab
Use OCR in Windows quickly and easily with Text Grab. With optional background process and notifications.
Project mention: I built an extension that lets you extract text from anywhere to your clipboard | news.ycombinator.com | 2025-03-05OP, you probably shouldn't say "runs directly in your browser" if it sends screenshots to a cloud service.
If anyone wants a similar tool for Windows that does the OCR locally instead, I recommend Text Grab (https://github.com/TheJoeFin/Text-Grab). I use it a lot for reading manga; works great.
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LLPlayer
The media player for language learning, with dual subtitles, AI-generated subtitles, real-time translation, and more!
Project mention: Show HN: LLPlayer – The media player for language learning | news.ycombinator.com | 2025-02-13 -
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clawPDF
Open Source Virtual (Network) Printer for Windows that allows you to create PDFs, OCR text, and print images, with advanced features usually available only in enterprise solutions.
Project mention: ClawPDF – Open-Source Virtual/Network PDF Printer with OCR and Image Support | news.ycombinator.com | 2025-05-19 -
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Inventory_Kamera
Scans Genshin Impact characters, artifacts, and weapons from the game window into a JSON file.
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DocumentLab
OCR using tesseract, ImageMagick, EmguCV, an advanced query language and a fluent query interface for C#
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C# OCR discussion
C# OCR related posts
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ClawPDF – Open-Source Virtual/Network PDF Printer with OCR and Image Support
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MORT: Real-time game translator with OCR
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I built an extension that lets you extract text from anywhere to your clipboard
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Microsoft Will Switch Off Recall by Default After Security Backlash
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AI-Powered Developer Tools
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Savior for Non-Japanese user
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Skyproc translation nuked
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A note from our sponsor - SaaSHub
www.saashub.com | 23 Jun 2025
Index
What are some of the best open-source OCR projects in C#? This list will help you:
# | Project | Stars |
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1 | ShareX | 32,777 |
2 | ailab | 7,797 |
3 | Text-Grab | 3,666 |
4 | naps2 | 3,388 |
5 | LLPlayer | 1,744 |
6 | MORT | 1,061 |
7 | clawPDF | 806 |
8 | Inventory_Kamera | 727 |
9 | PgsToSrt | 104 |
10 | DocumentLab | 74 |
11 | AoE4BO | 49 |
12 | cloud-ocr-snip | 10 |
13 | TextReader-Tesseract-OCR | 9 |
14 | Docutain-SDK-Example-.NET-MAUI | 5 |
15 | FallGuysNameFinder | 5 |