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Annotation Tools - Toolidx

Notion

A new tool that blends your everyday work apps into one. It's the all-in-one workspace for you and your team.

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Annotation

39 tools

People For AI

People for AI offers high-quality data labeling services using experienced labelers and advanced tools.

BasicAI Cloud

BasicAI provides AI-driven training data solutions, including data annotation services and a data labeling platform, to enhance AI and machine learning models.

UXCheck

A Chrome extension for heuristic evaluation to identify usability issues on websites, with annotation and export features.

SimpleScreen

Dead simple to use screen recording tool. One-click record and share. Mic & webcam support, annotations, password protection, trim videos, & more.

tldraw

A free and instant virtual whiteboarding with online collaboration. No signup required. Works on all devices: mobile, tablets, and desktop.

PinMy

Collaborate on images with precision.

LunaNotes

LunaNotes enhances YouTube learning with note-taking, timestamps, and AI assistance.

FreePDF | Adobe Acrobat 的替代 PDF 编辑器

FreePDF 2025 is a free PDF editor for Windows, offering viewing, creation, editing, merging, splitting, and annotation of PDF files as an alternative to Adobe Acrobat.

缪斯——潜入大创意

Muse is a cozy space for deep thinking with nested boards, allowing ideas to branch and grow on iPad, iPhone, and Mac.

Skim | Home

A PDF reader and note-taker for macOS, designed for reading and annotating scientific papers and any PDF files.

ScreenSnap

Screen recording and annotation tool with privacy focus and unlimited usage.

MONAI

PyTorch-based healthcare imaging framework

Camp.

smarter screenshots

PDNob PDF Editor

AI-powered software for editing and managing PDF files.

Pdfpals

Native PDF Interaction App for macOS

Superflow Rewrite

Add rich media annotations to website; generate copy and manage tasks for review.

Komentiq

Streamlined platform for design feedback and collaboration

CleanShot X for Mac

A powerful Mac app for screen capture, annotation, and recording with over 50 features to enhance productivity.

arlionn/software: zoomit 4.5

ZoomIt 4.5 is a lightweight screen zoom and annotation tool for teaching and presentations, requiring no installation and using keyboard shortcuts.

Shottr – Screenshot Annotation App For Mac

A lightweight, fast screenshot tool for Mac with annotation, scrolling capture, OCR, and S3 upload capabilities.

Markup

Markup is a web page highlighter for saving, sharing, and syncing highlights and summaries.

Copy & Paste Assistant

Assistant for processing data, using AI tools, and annotating drafts.

cKnowledge.io

A browser extension for annotating web pages with related research and artifacts.

Afforai

Afforai is a superior AI tool for writing tasks and comprehending text, with high quality and capability.

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