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: Search by Image is a reverse image search engine that allows you to find similar or related images by uploading an image file or providing an image URL. It can be useful for finding the original source of an image, other sizes of the image, or visually similar images.
Type: software
Pricing: Open Source