Cryptofolio is an open-source, and self-hosted solution for tracking your cryptocurrency holdings. It features a web interface, an Android mobile app, and a cross-platform desktop application for Windows, macOS, and Linux. These three platforms all work using a RESTful API, which you'd have to host yourself.
It can provide you with a quick glance at the market, while also keeping track of your assets and their value. It also includes a feature that allows you to share your portfolio in a read-only way with anyone you choose to give the link to. In order to set this up, please go into the "Settings" section of the web interface, enable portfolio sharing, set a PIN code, and use the generated URL to view your assets without having to login. ...