stock-market Tools
2 best stock-market tools and apps, curated and ranked by community upvotes on ProductCool. Updated daily as new stock-market products launch.
OpenStock is a free, open-source platform that provides real-time stock prices, personalized alerts, and detailed company insights. It solves the problem of expensive, subscription-based market platforms by offering a powerful alternative built for transparency. It's designed for individual investors and traders who want professional-grade tools without the cost, championed by a community-driven initiative.
Free-stockdb is a local quantitative analysis engine designed for the Chinese A-share market. It solves the problem of slow, expensive, and unreliable access to historical stock data (daily K, minute K, ETF) by providing offline caching, incremental updates, and automatic adjustment for splits/dividends. It's built for quantitative traders, researchers, and developers who need fast, reliable, and private batch data queries, backtesting, and technical indicator calculations.