Looking for volunteers & non profit organisations (Luxembourg)

I am looking for volunteers and non profit organization to join my newly created website Protected content . The mission of the website is:
Matching changemakers like you with volunteer opportunities and organizations, based on your interests, location and time requirements.
Offering a free tool for non-profit organizations to easily communicate their volunteer opportunities and their missions.
We just started! Therefore, I am asking for your help to get the platform moving and to create together a better world by helping non profit organisations.
Thank you so much!