Self-hosted browser based collaborative video/audio/image review and annotation tool. Allows users to upload, comment and draw on clips. Also support subtitles.


Self-hosted browser based collaborative video/audio/image review and annotation tool. Allows users to upload, comment and draw on clips. Also support subtitles.


INCEpTION is a text-annotation environment useful for various kinds of annotation tasks on written text. Annotations are usually used for linguistic and/or machine learning concerns. INCEpTION is a web application in which several users can work on the same annotation project...

Swappy is a Wayland screenshot editing tool featuring brushes, text, shapes, arrows, and blur. Images can be saved locally or copied directly to the clipboard.

Screenshot tool for macOS featuring scrolling capture, multi-window support, annotation tools, color picker, shadow effect, measurement indicator, and easy usage.




Supervisely helps people with and without machine learning expertise to create state-of-the-art computer vision applications. We care about entire workflow from raw data to building and deploying neural networks for your special task without coding.




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.

A downloadable annotation tool for NLP and computer vision tasks such as named entity recognition, text classification, object detection, image segmentation, A/B evaluation and more.