ICONOMI will pay dividends to the ICN holders starting from 2017, you can buy it now as the price still cheap, it is available on Kraken, Coingate, and Liqui exchanges, ICONOMI is fund management platform for decentralised economy.
vDice will pay dividends to the crowdsale participants, ICO will start on 15 November, vDice is decentralised Dice game based on Ethereum blockchain.
No, all of the are still in planning but I just got 1 are already releasing the dividend-paying to the investor, Omicron are already do that. and some of their investors always get dividends every week, I should say you can try for visiting their ann thread for directly.