Showing 675 open source projects for "annotation"

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  • 1
    labelme Image Polygonal Annotation

    labelme Image Polygonal Annotation

    Image polygonal annotation with Python

    Labelme is a graphical image annotation tool. It is written in Python and uses Qt for its graphical interface. Image annotation for polygon, rectangle, circle, line and point. Image flag annotation for classification and cleaning. Video annotation. (video annotation). GUI customization (predefined labels / flags, auto-saving, label validation, etc). Exporting VOC-format dataset for semantic/instance segmentation. (semantic segmentation, instance segmentation). Exporting COCO-format dataset...
    Downloads: 12 This Week
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  • 2
    Computer Vision Annotation Tool (CVAT)

    Computer Vision Annotation Tool (CVAT)

    Interactive video and image annotation tool for computer vision

    Computer Vision Annotation Tool (CVAT) is a free and open source, interactive online tool for annotating videos and images for Computer Vision algorithms. It offers many powerful features, including automatic annotation using deep learning models, interpolation of bounding boxes between key frames, LDAP and more. It is being used by its own professional data annotation team to annotate millions of objects with different properties. The UX and UI were also specially developed by the team...
    Downloads: 55 This Week
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  • 3
    Xournal++

    Xournal++

    A handwriting notetaking software with PDF annotation support

    Xournal++ (/ˌzɚnl̟ˌplʌsˈplʌs/) is an open-source and cross-platform note-taking software that is fast, flexible, and functional. A modern rewrite and a more feature-rich version of the wonderful Xournal program. Support for pressure-sensitive stylus and drawing tablets (Wacom, Huion, XP-Pen, etc.) Robust and customizable pen, highlighter and eraser tools, allowing you to write how you want to write. Use layers to make complex notes that are still pleasant to work with. Keep track of the...
    Downloads: 407 This Week
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  • 4
    Label Studio

    Label Studio

    Label Studio is a multi-type data labeling and annotation tool

    The most flexible data annotation tool. Quickly installable. Build custom UIs or use pre-built labeling templates. Detect objects on image, bboxes, polygons, circular, and keypoints supported. Partition image into multiple segments. Use ML models to pre-label and optimize the process. Label Studio is an open-source data labeling tool. It lets you label data types like audio, text, images, videos, and time series with a simple and straightforward UI and export to various model formats. It can...
    Downloads: 15 This Week
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  • 5
    HunyuanWorld-Voyager

    HunyuanWorld-Voyager

    RGBD video generation model conditioned on camera input

    HunyuanWorld-Voyager is a next-generation video diffusion framework developed by Tencent-Hunyuan for generating world-consistent 3D scene videos from a single input image. By leveraging user-defined camera paths, it enables immersive scene exploration and supports controllable video synthesis with high realism. The system jointly produces aligned RGB and depth video sequences, making it directly applicable to 3D reconstruction tasks. At its core, Voyager integrates a world-consistent video...
    Downloads: 33 This Week
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  • 6
    Dify

    Dify

    One API for plugins and datasets, one interface for prompt engineering

    ...-of-the-box web sites supporting form mode and chat conversation mode A single API encompassing plugin capabilities, context enhancement, and more, saving you backend coding effort Visual data analysis, log review, and annotation for applications
    Downloads: 26 This Week
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  • 7
    Lombok

    Lombok

    New additions to the Java programming language

    Project Lombok is a java library that automatically plugs into your editor and build tools, spicing up your java. Never write another getter or equals method again, with one annotation your class has a fully featured builder, Automate your logging variables, and much more. Project Lombok is available as a single jar file on the project site. It includes the APIs for development as an installer for IDE integration. On most systems, simply double-clicking the jar file will launch the installer...
    Downloads: 14 This Week
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  • 8
    MONAI

    MONAI

    AI Toolkit for Healthcare Imaging

    The MONAI framework is the open-source foundation being created by Project MONAI. MONAI is a freely available, community-supported, PyTorch-based framework for deep learning in healthcare imaging. It provides domain-optimized foundational capabilities for developing healthcare imaging training workflows in a native PyTorch paradigm. Project MONAI also includes MONAI Label, an intelligent open source image labeling and learning tool that helps researchers and clinicians collaborate, create...
    Downloads: 13 This Week
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  • 9
    Recogito JS

    Recogito JS

    A JavaScript library for text annotation

    A JavaScript library for text annotation. Use it to add annotation functionality to a web page, or as a toolbox for building your own, completely custom annotation apps. Try the online demo or see the API reference.
    Downloads: 0 This Week
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  • 10
    Gson

    Gson

    A Java serialization/deserialization library to convert Java Objects

    Gson is a Java library developed by Google that allows conversion between Java objects and JSON. It enables serialization and deserialization of Java classes to and from JSON format, handling complex and generic types, nulls, custom naming policies, and more. Gson is lightweight, easy to use, and does not require annotation-based configuration, making it a popular choice for JSON processing in Java applications.
    Downloads: 10 This Week
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  • 11
    serde_with

    serde_with

    This crate provides custom de/serialization helpers

    This crate provides custom de/serialization helpers to use in combination with serde's with-annotation and with the improved serde_as-annotation.
    Downloads: 3 This Week
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  • 12
    Discourse Network Analyzer (DNA)

    Discourse Network Analyzer (DNA)

    Discourse Network Analyzer (DNA)

    The Java software Discourse Network Analyzer (DNA) is a qualitative content analysis tool with network export facilities. You import text files and annotate statements that persons or organizations make, and the program will return network matrices of actors connected by shared concepts.
    Downloads: 4 This Week
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  • 13
    FiftyOne

    FiftyOne

    The open-source tool for building high-quality datasets

    ... to boost the performance of your model. FiftyOne provides the building blocks for optimizing your dataset analysis pipeline. Use it to get hands-on with your data, including visualizing complex labels, evaluating your models, exploring scenarios of interest, identifying failure modes, finding annotation mistakes, and much more! Surveys show that machine learning engineers spend over half of their time wrangling data, but it doesn't have to be that way.
    Downloads: 5 This Week
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  • 14
    Language support for Java for VS Code

    Language support for Java for VS Code

    Java Language Support for Visual Studio Code

    Provides Java ™ language support via Eclipse ™ JDT Language Server, which utilizes Eclipse ™ JDT, M2Eclipse and Buildship. Now that Java extension will publish platform-specific versions, it will embed a JRE for supported platforms such as win32-x64, Linux-x64, Linux-arm64, darwin-x64, and darwin-arm64. The embedded JRE is used to launch the Language Server for Java. Users are only responsible for configuring Project JDKs to compile your Java projects.
    Downloads: 5 This Week
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  • 15
    Screenity

    Screenity

    The most powerful screen recorder & annotation tool for Chrome

    Screenity is a feature-packed screen and camera recorder for Chrome. Annotate your screen to give feedback, emphasize your clicks, edit your recording, and much more. Make unlimited recordings of your tab, desktop, any application, and camera. Annotate by drawing anywhere on the screen, adding text, and creating arrows. Highlight your clicks, focus on your mouse, or hide it from the recording. Individual microphone and computer audio controls, push to talk, and more. Custom countdowns, show...
    Downloads: 6 This Week
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  • 16
    KSP

    KSP

    Kotlin Symbol Processing API

    KSP is Kotlin’s lightweight, idiomatic alternative to Java annotation processing that gives compile-time access to Kotlin program structure. Rather than forcing Kotlin through Java’s annotation APIs, it exposes Kotlin-first symbols—classes, functions, properties, types—so processors can generate code efficiently. The design dramatically reduces incremental build overhead by operating directly on symbols without compiling stubs, which speeds up large multi-module projects. Processors run...
    Downloads: 3 This Week
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  • 17
    Adala

    Adala

    Adala: Autonomous DAta (Labeling) Agent framework

    Adala is a data-centric AI framework focused on dataset curation, annotation, and validation. It helps AI teams manage high-quality training datasets by providing tools for data auditing, error detection, and quality assessment.
    Downloads: 2 This Week
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  • 18
    Diffgram

    Diffgram

    Training data (data labeling, annotation, workflow) for all data types

    ... the activities of annotation, which produces structured data; ready to be consumed by a machine learning model. Annotation is required because raw media is considered to be unstructured and not usable without it. That’s why training data is required for many modern machine learning use cases including computer vision, natural language processing and speech recognition.
    Downloads: 2 This Week
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  • 19
    Doctrine Annotations

    Doctrine Annotations

    Annotations docblock parser

    Doctrine Annotations allows to implement custom annotation functionality for PHP classes. Annotations aren't implemented in PHP itself which is why this component offers a way to use the PHP doc-blocks as a place for the well known annotation syntax using the @ char. Annotations in Doctrine are used for the ORM configuration to build the class mapping, but it can be used in other projects for other purposes too. You can install the Annotation component with composer. The access...
    Downloads: 0 This Week
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  • 20
    Symfony Validator

    Symfony Validator

    Provides tools to validate values

    Symfony Validator is a PHP component designed to validate data structures using a flexible and extensible validation framework. It supports a wide range of built-in validation constraints and allows developers to create custom validation rules. The Validator component is commonly used for form validation, data integrity checks, and input sanitation, integrating seamlessly with Symfony applications.
    Downloads: 3 This Week
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  • 21
    Cluster

    Cluster

    Easy Map Annotation Clustering

    Cluster is an easy map annotation clustering library. This repository uses an efficient method (QuadTree) to aggregate pins into a cluster. Create an object that conforms to the MKAnnotation protocol, or extend an existing one. Next, add the annotation object to an instance of ClusterManager with add(annotation:). Implement the map view’s mapView(_:viewFor:) delegate method to configure the annotation view. Return an instance of MKAnnotationView to display as a visual representation...
    Downloads: 0 This Week
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  • 22
    Kotlin Compile Testing

    Kotlin Compile Testing

    Testing Kotlin and Java annotation processors, compiler plugins

    A library for in-process compilation of Kotlin and Java code, in the spirit of Google Compile Testing. For example, you can use this library to test your annotation processor or compiler plugin.
    Downloads: 0 This Week
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  • 23
    refinery

    refinery

    Open-source choice to scale, assess and maintain natural language data

    The data scientist's open-source choice to scale, assess and maintain natural language data. Treat training data like a software artifact. You are one of the people we've built refinery for. refinery helps you to build better NLP models in a data-centric approach. Semi-automate your labeling, find low-quality subsets in your training data, and monitor your data in one place. refinery doesn't get rid of manual labeling, but it makes sure that your valuable time is spent well. Also, the makers...
    Downloads: 2 This Week
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  • 24
    Encore

    Encore

    Encore is the Go backend development engine helping developers

    Our Go Backend Engine has the tools you need to create your next idea faster, without headaches. The big drawback of building for the cloud is crippling complexity. Encore offers a simple and productive experience from local development to production. Write plain and portable Go code with the Encore framework. Free from boilerplate and repetitions. Turn your functions into APIs by adding a single annotation. Encore turns any Go package into its own service and manages the infrastructure...
    Downloads: 3 This Week
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  • 25
    swagger-php

    swagger-php

    A php swagger annotation and parsing library

    ... the ~/.composer/vendor/bin directory in your PATH so the open API executable can be located by your system. Generate the OpenApi annotation object from a JSON string, which makes it easier to manipulate objects programmatically. Generate the swagger documentation to a static JSON file.
    Downloads: 1 This Week
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