Description: 99Steem is a social media platform built on the Steem blockchain that rewards users with Steem cryptocurrency for creating and curating content. It aims to be a censorship-resistant alternative to centralized platforms.
Type: software
Pricing: Open Source
Description: Quantopian is an online platform for building and testing algorithmic trading strategies. It provides a Python-based IDE, historical market data, and an engine for backtesting trading algorithms.
Type: software