Best free open-source computer vision and OCR tools
The 60 most-starred vision & ocr repos on GitHub. Stars and activity are verified from the GitHub API and updated every night.
Updated · data refreshed nightly from GitHub
#1 PDF Application on GitHub that lets you edit PDFs on any device anywhere
Turn any PDF or image document into structured data for your AI. A powerful, lightweight OCR toolkit that bridges the gap between images/PDFs and LLMs. Supports 100+ languages.
Tesseract Open Source OCR Engine (main repository)
12 Weeks, 24 Lessons, AI for All!
Ultralytics YOLO27, YOLO26, YOLO11, YOLOv8 — object detection, instance segmentation, semantic segmentation, image classification, pose estimation, object tracking
Ultralytics YOLOv5 in PyTorch for object detection, instance segmentation, classification, training, and export.
We write your reusable computer vision tools. 💜
OCR software, free and offline. 开源、免费的离线OCR软件。支持截屏/批量导入图片，PDF文档识别，排除水印/页眉页脚，扫描/生成二维码。内置多国语言库。
Build and share delightful machine learning apps, all in Python. 🌟 Star to support our work!
Umami is a privacy-first analytics platform. Traffic, campaigns, behavior, conversions, and revenue in one place — no cookies, no surveillance, self-hosted or in the cloud.
Pure Javascript OCR for more than 100 Languages 📖🎉🖥
NVR with realtime local object detection for IP cameras
Ready-to-use OCR with 80+ supported languages and all popular writing scripts including Latin, Chinese, Arabic, Devanagari, Cyrillic and etc.
Label Studio is a multi-type data labeling and annotation tool with standardized output format
Implementation of Vision Transformer, a simple way to achieve SOTA in vision classification with only a single transformer encoder, in Pytorch
《明日方舟》小助手，全日常一键长草！| A one-click tool for the daily tasks of Arknights, supporting all clients.
A Lightweight Face Recognition and Facial Attribute Analysis (Age, Gender, Emotion and Race) Library for Python
Learn OpenCV : C++ and Python Examples
🤗 The largest hub of ready-to-use datasets for AI models with fast, easy-to-use and efficient data manipulation tools
Datasets, Transforms and Models specific to Computer Vision
Instant neural graphics primitives: lightning fast NeRF and more
CVAT is a leading data annotation platform for image, video, audio, and 3D datasets. It offers open-source, cloud, and enterprise products, as well as labeling services, with AI-assisted labeling, qua
State-of-the-art Machine Learning for the web. Run 🤗 Transformers directly in your browser, with no need for a server!
Image annotation with Python. Supports polygon, rectangle, circle, line, point, and AI-assisted annotation.
一个简洁优雅的词典翻译 macOS App。开箱即用，支持离线 OCR 识别，支持有道词典，🍎 苹果系统词典，🍎 苹果系统翻译，OpenAI，Gemini，DeepL，Google，Bing，腾讯，百度，阿里，小牛，彩云和火山翻译。A concise and elegant Dictionary and Translator macOS App for looking up words and
带带弟弟 通用验证码识别OCR pypi版
An open source implementation of CLIP.
视觉小说翻译器 / Visual Novel Translator
Node-based Visual Programming Toolbox
Advanced AI Explainability for computer vision. Support for CNNs, Vision Transformers, Classification, Object detection, Segmentation, Image similarity and more.
Drench yourself in Deep Learning, Reinforcement Learning, Machine Learning, Computer Vision, and NLP by learning from these exciting lectures!!
A fast, helpful, and open-source document parser
OCR model that handles complex tables, forms, handwriting with full layout.
超轻量级中文ocr，支持竖排文字识别, 支持ncnn、mnn、tnn推理 ( dbnet(1.8M) + crnn(2.5M) + anglenet(378KB)) 总模型仅4.7M
Semantic segmentation models with 500+ pretrained convolutional and transformer-based backbones.
This repository contains demos I made with the Transformers library by HuggingFace.
Visualize, query, and stream to train on multimodal robotics data.
🐍 Geometric Computer Vision Library for Spatial AI
Refine high-quality datasets and visual AI models
OpenVINO™ is an open source toolkit for optimizing and deploying AI inference
Fast and Accurate ML in 3 Lines of Code
X-AnyLabeling: A lightweight, efficient, and unified cross-platform desktop application for annotating text, image, video, point cloud and multimodal data, combining versatile built-in tools with stat
PyTorch implementation of YOLOv3, YOLOv3-SPP, and YOLOv3-tiny for real-time object detection with training, validation, inference, and multi-format export.
A unified framework for machine learning with time series
RF-DETR is a real-time object detection and segmentation model architecture developed by Roboflow, SOTA on COCO, designed for fine-tuning. [ICLR 2026]
Bob 是一款 macOS 平台的翻译和 OCR 软件。
A collection of tutorials on state-of-the-art computer vision models and techniques. Explore everything from foundational architectures like ResNet to cutting-edge models like RF-DETR, YOLO11, SAM 3,
视频硬字幕提取，生成srt文件。无需申请第三方API，本地实现文本识别。基于深度学习的视频字幕提取框架，包含字幕区域检测、字幕内容提取。A GUI tool for extracting hard-coded subtitle (hardsub) from videos and generating srt files.
A ready-to-go translation ocr tool developed with WPF/WPF 开发的一款即用即走的翻译、OCR工具
Become a cracked AI/ML researcher/engineer with this unconventional textbook covering maths, computing, and ML with intuition.
GLM-OCR: Accurate × Fast × Comprehensive
Go package for computer vision using OpenCV 4 and beyond. Includes support for DNN, CUDA, OpenCV Contrib, and OpenVINO.
a cross-platform image super-resolution tool
🔥 The free & Open Source DocuSign alternative
飞鼠格式 FlyingMouse Format - Windows 免费文件格式转换工具（离线可用，内置 FFmpeg/LibreOffice/Poppler/Tesseract）。图片/文档/表格/PPT/PDF/音视频/WPS 格式互转 + OCR + 批量转换；音频仅支持普通格式。作者：牢蜂（LaoFeng）｜仅供个人免费使用，禁止商业售卖/转卖/套壳
Image processing in Python
ML-powered manga translator, written in Rust.
PDF craft can convert PDF files into various other formats. This project will focus on processing PDF files of scanned books.
docTR (Document Text Recognition) - a seamless, high-performing & accessible library for OCR-related tasks powered by Deep Learning. Ongoing development and maintenance by t2k.
All-in-One Development Tool based on PaddlePaddle