Open source. Open possibilities.

Label Studio is an open-source, multi-type data labeling tool supporting audio, text, images, video, and time series with a simple UI and export to various model formats.

TroubaStack is a self-hosted collaborative annotation system for sheet music and lyrics, featuring a web editor, a Go-based sync server, and an offline mobile presenter.

Screenity is a free, privacy-focused screen recorder and annotation tool for Chrome that allows unlimited recording of tabs, desktops, and cameras without requiring a sign-in.

Sniptale is a local-first Chromium extension for capturing, annotating, recording, editing, and exporting web content, designed as an AI-first software engineering experiment.