The source is a promotional piece for a website called apps.webage.ro, which offers free online calculators, tests, and questionnaires for various purposes.

The website was created to address the growing demand for online tools covering areas like personal development, career planning, real estate, health, and psychology.

The website aims to be a comprehensive resource, offering a wide array of tools to users, from professionals seeking assessment instruments to individuals seeking self-improvement.

The website's founders are passionate about providing valuable resources to a diverse user base and continue to improve the platform by adding new tools and features.

https://apps.webage.ro/en/