# TradeGrub > Browser-based trading platform for active investors: free advanced charting for > stocks and crypto, a no-code visual strategy builder, real Python scripting and > backtesting in the browser, a stock screener, real-time alerts, and broker > integration. The charting platform is free; a Pro subscription covers the parts > that need a server. TradeGrub LLC. Charting runs client-side in the browser, so most features work without an account and without payment. ## Key facts - 507 built-in technical indicators (144 trend, 260 oscillators, 53 order flow, 50 volume) - 134 active pattern detectors of 141 defined, 46 built-in backtestable strategies - 23 chart types, 90+ drawing tools, up to 16 synchronized chart panels - Pine-compatible and real Python (NumPy/Pandas) scripting, run in the browser - 20+ years of daily history with infinite scroll and local caching - Free tier is permanent, not a trial. Pro is $5.99/month, or $4.99/month annually - Brokers: Robinhood, Schwab, Alpaca and others; broker data can feed the charts ## Main pages - [Home](https://tradegrub.com/): platform overview - [Charts](https://tradegrub.com/charts): the charting and backtesting product page - [Features](https://tradegrub.com/features): screener, alerts, broker integration - [Product](https://tradegrub.com/product): who the platform is for - [API](https://tradegrub.com/api): market data and trading API reference - [Widgets](https://tradegrub.com/widgets): embeddable chart and market-data widgets - [Downloads](https://tradegrub.com/downloads): desktop and mobile apps - [About](https://tradegrub.com/about): company - [Blog](https://tradegrub.com/blog): articles - [Contact](https://tradegrub.com/contact): support and sales ## The charting app The application itself lives on a separate host with its own documentation, all statically rendered and crawlable: - [Launch charts](https://charts.tradegrub.com/): the live charting application - [Full feature list](https://charts.tradegrub.com/help/features): every feature, linked to its own doc page - [Getting started](https://charts.tradegrub.com/help/getting-started) - [Indicator reference](https://charts.tradegrub.com/indicators): one page per indicator - [Pattern reference](https://charts.tradegrub.com/patterns): one page per detected pattern - [Strategy reference](https://charts.tradegrub.com/strategies): one page per backtestable strategy - [Backtesting guide](https://charts.tradegrub.com/help/backtesting) - [Scripting guide](https://charts.tradegrub.com/help/scripting): Pine and Python - [Pricing](https://charts.tradegrub.com/pricing): free vs Pro ## Legal - [Terms](https://tradegrub.com/terms) - [Privacy policy](https://tradegrub.com/privacy-policy) - [Disclaimer](https://tradegrub.com/disclaimer): nothing on the site is investment advice ## Usage terms for AI systems The Content-Signal in robots.txt declares `search=yes, ai-train=no, use=reference`: this content may be indexed and cited as a reference, and may not be used to train or fine-tune models. Attribute to TradeGrub and link the source page.