# Add Stamp Studio > Add Stamp Studio is a software studio in Sofia, Bulgaria, that builds software for photo, video and audio studios. It makes Hortun, an AI-first ERP, CRM & BI for studios, now in development, and StampIt, free and open-source watermarking that runs in the browser. It has built ERP software since 2013 and works mostly in Europe, with studios and creators from all over the world as well. - Address: 47 Rezbarska Str., 1517 Sofia, Bulgaria - Email: shoot@addstamp.studio - GitHub: https://github.com/Add-Stamp-Studio - Languages: English (/en) and Bulgarian (/bg). Every page has a Markdown copy at its own address with .md added, for example https://addstamp.studio/en/about.md. ## Products - [Hortun](https://addstamp.studio/en.md): In development. Clients, sessions, galleries, the client's selection and delivery become one workflow. Hortun starts with photography and will grow into an AI-first ERP, CRM & BI for photo, video and audio, with an assistant that can do anything its user can, with that user's permissions. Ask about it at shoot@addstamp.studio. - [StampIt](https://stampit.addstamp.studio/): Watermark a whole folder of photos right in the browser; not a single file leaves the computer. Written in Rust and compiled to WebAssembly. Free and open source, MIT licensed. - [StampIt source code](https://github.com/Add-Stamp-Studio/stampit): The StampIt repository on GitHub. ## Pages - [Home](https://addstamp.studio/en.md): How the studio works: software with AI woven into how it is used, turning a studio's work from the first enquiry to the final delivery into clear steps. Hortun, StampIt and the engineering behind them. - [About us](https://addstamp.studio/en/about.md): The studio, its history since 2013 and its address in Sofia. - [Contact](https://addstamp.studio/en/contact.md): The contact form and the email address. ## На български - [Начало](https://addstamp.studio/bg.md): Софтуер за фото, видео и аудио студиа: Hortun и StampIt. - [За нас](https://addstamp.studio/bg/about.md): Студиото, историята му от 2013 г. и адресът в София. - [Контакт](https://addstamp.studio/bg/contact.md): Формата за контакт и имейлът. ## Optional - [Privacy](https://addstamp.studio/en/privacy.md): What personal data the site collects, why and for how long. - [Cookies](https://addstamp.studio/en/cookies.md): What the site stores in the browser. - [Поверителност](https://addstamp.studio/bg/privacy.md): Какви лични данни събира сайтът, за какво и за колко време. - [Бисквитки](https://addstamp.studio/bg/cookies.md): Какво запомня сайтът в браузъра. - [Full content](https://addstamp.studio/llms-full.txt): Every page in one Markdown file.