TradingView
tradingview.comCharting, community and broker integration
Market data and analytics
Trading platforms
Subscription
Trading analytics and MetaTrader tools
Trade analytics, journals and a long list of free MetaTrader utilities. Often what sits behind the statistics page a prop firm shows its traders.
Charting, community and broker integration
Quantitative platform for strategy development and execution
Low-latency futures execution and market data
Order-flow and liquidity visualisation
Prices, a demo, whether it supports the platform you have already chosen: whatever you need to know before a shortlist becomes a contract. It goes to this provider only.