CVAT is a data annotation platform for turning images, videos, audio and 3D data into datasets for AI models. It supports importing data from local files and cloud storage, managing projects, tasks and jobs, labeling with manual and automated tools, validating annotations, monitoring progress and exporting datasets in formats including COCO, YOLO, KITTI, Cityscapes and Pascal VOC. CVAT began as an internal tool at Intel in 2017 and was released as open source on GitHub in 2018.
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Family Tree Builder is an online tool for creating family trees. Users add relatives, birth details, photos, professions, and life stories, and the layout arranges family connections automatically. Trees can be edited and exported as JPEG, PNG, or SVG.
Split shared expenses among a group.
refdesk.com is a miscellaneous web resource for discovery, directories, archives, web culture, or useful tools.
SurveyHeart is a free online form, survey, poll and quiz builder. Users create forms by drag and drop with 22 question types, share them by link, QR code or WhatsApp, and view results in charts. Responses can be exported to Excel, CSV and PDF. It runs in a browser and as Android and iOS apps.
time.fyi is a calendar, task, and booking application that works with Google Calendar. It allows users to plan their week with events and tasks side by side, share booking links for others to schedule time, and view time zones for people in other cities. The site offers a 14-day free trial and a macOS app.
ToolKnit is a free browser-based toolbox of 94 tools for PDF, image, video, audio and text tasks, plus a World Holidays Hub. Local file tools process files on the user's device, while AI requests go to a configured provider and speech features use a server endpoint. No account is required.
