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Omatsuri

Omatsuri

Omatsuri is a collection of 12 open source frontend tools packaged into a progressive web application. The name Omatsuri is derived from the Japanese word for “festival”, and the website is essentially a festival of useful applications. The developers have placed a strong emphasis on privacy, so you won’t find any ads or analytics services on the platform. They encourage users to explore the source code and incorporate it into their own projects.

The platform provides fast, non-blocking computations using web workers, and all operations are performed in-browser with no tracking or external server connections. You can use the app offline and switch to a dark theme for better viewing in low-light conditions. Overall, Omatsuri is an all-in-one application for everyday tasks.