There are other management platforms, but they are intended for the classic stock market. All of them have brokers and have a high cost.
 In addition, none of them can give a guarantee of protection to investors and traders. 
Membrama is a platform on the blockchain, where the key component is a function of a documented trust.
You don't need to trust your money to a little-known broker with doubtful reliability. With Membrana you can invest your money and be safe from scam.