Free alternatives to SquawkFlow

• Unusual Whales – Free · paid from $42/mo – Yes: flow 2 trading days delayed, news 15 min, alerts 30 min delayed
• Barchart – Free · paid from $8.25/mo – Yes: limited (1 watchlist, truncated screeners); UOA full access Premier only
• Market Chameleon – Free · paid from $99/mo – Starter (free); 7-day trial on Premium
• Stocknear – Free · paid from $10/mo – Yes: Basic $0 (10 credits/mo, 1 watchlist)
• LuxAlgo – Free · paid from $24.99/mo – Yes: charts, Orderflow suite 1-day lookback, 500 credits
• GEX Metrix – Free · paid from $19/mo – Yes: delayed data with intraday OI model
• Gextool (GEX) – Free – Yes, no account; 3 added tickers/day
• GammaGrid – Free – Free while in beta; open source (AGPL-3.0) self-host