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: SauceNAO is a reverse image search engine for finding the original source of an image. It allows users to upload an image or enter a URL and searches its database to find matches and similar images, providing links and information about the source material.
Type: software
Pricing: Free