The Constitution Club is not a non profit organization, it is simply a website operated by a man who loves liberty and the principles promoted in the Declaration of Independence, Donations to the website are not tax deductible, but the funds received will be used to promote the education of the American people.
The United Nations Office for Disarmament Affairs
You read that right. They actually have an office designed around disarmament. GLOBAL disarmament. UNODA. Here's the Link to their website - https://www.un.org/disarmament/convarms/salw/
Don't take MY word for it. Go read it for yourself from the United Nations OWN website!