annotation

Label Studio is a multi-type data labeling and annotation tool with standardized output format

The free and privacy-friendly screen recorder with no limits 🎥

Computer Vision Annotation Tool (CVAT) is a leading platform for building high-quality visual datasets for vision AI. It offers open-source, cloud, and enterprise products, as well as labeling services, for image, video, and 3D annotation with AI-assisted labeling, quality assurance, team collaboration, analytics, and developer APIs.

Cleanlab's open-source library is the standard data-centric AI package for data quality and machine learning with messy, real-world data and labels.

🚀 A coroutine framework that focuses on hyperspeed and flexibility. Building microservice or middleware with ease.

Browser extension to curate, annotate, and discuss the most valuable content and ideas on the web. As individuals, teams and communities.

A curated list of awesome data labeling tools

a library for audio and music analysis

ksnip the cross-platform screenshot and annotation tool

Annotate with anyone, anywhere.

why write many code when few annotation do trick — annotation-driven Java framework, one class become full admin, now with built-in AI harness too

:rocket: lightweight high-performance WebSocket framework （ 轻量级、高性能的WebSocket框架）

The AI Datastore for Schemas, BLOBs, and Predictions. Use with your apps or integrate built-in Human Supervision, Data Workflow, and UI Catalog to get the most value out of your AI Data.

A better annotation generator. Supports multiple languages and annotation conventions.

Gromit-MPX is an on-screen annotation tool that works with any Unix desktop environment under X11 as well as XWayland.

Open-source screenshot and screen recording for macOS. The free, native alternative to CleanShot X. Built with Swift 6.0 and SwiftUI.

Xtreme1 is an all-in-one data labeling and annotation platform for multimodal data training and supports 3D LiDAR point cloud, image, and LLM.

Open Source research tool to search, browse, analyze and explore large document collections by Semantic Search Engine and Open Source Text Mining & Text Analytics platform (Integrates ETL for document processing, OCR for images & PDF, named entity recognition for persons, organizations & locations, metadata management by thesaurus & ontologies, search user interface & search apps for fulltext search, faceted search & knowledge graph)

Make your screenshots ready for all

DrawPen is a simple screen annotation. Available on macOS, Windows & Linux.

IntelliJ IDEA / PhpStorm Symfony Plugin

Add image annotation functionality to any web page with a few lines of JavaScript.

A tool allows you to draw on screen real-time.

⌘⌘ - A lightweight, native macOS screenshot tool that lives in your menu bar. Double-tap ⌘ Command to capture any region of your screen — instantly copied to clipboard, or annotate first with pen and mosaic tools.

3D Bounding Box Annotation Tool (3D-BAT) Point cloud and Image Labeling

A lightweight tool for labeling 3D bounding boxes in point clouds.

The Hypothesis web-based annotation client.

Open Source Data Annotation & Labeling Tools

GUI for marking bounded boxes of objects in images for training neural network YOLO

Rapid & standardized annotation of bacterial genomes, MAGs & plasmids