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
Description: Steam is a popular digital distribution platform developed by Valve Corporation in 2003. It allows users to purchase, play and update games online. Steam offers frequent discounts on games and has a large community with discussion forums and in-game chat.
Type: software