Frankfurter is an open-source API for querying current and historical foreign exchange rates published by the European Central Bank.

A public instance runs on its website. You can also self-host with Heroku or Docker.

Strackr helps you to monitor and track affiliate data from platforms like Awin, Affilinet or Amazon. It’s an all-in-one dashboard who gives you access to transactions/leads, revenues or clicks and metrics like EPC (Earning Per Click), Revenue Share or CTS (Conversion To Sale) to compare your performance.

A simple code snippet manager for developers built with Electron & Vue.js.

It's free, open source and available on Mac, Linux and Windows.