Pineapple Fund is organisation supporting charities. The owner Pineapple Fund is a millionaire, who is giving away majority of his holdings (5,057 BTC ~$86 000 000) and does not want publicity. This organisation have donated $15 090 000 to 14 charities (for example: Watsi, The Water Project, BitGive) so far.
Pineapple Fund's bittcoin address: 3P3QsMVK89JBNqZQv5zMAKG8FK3kJM4rjt
Contact form for charities: here