WiFi Map - A crowdsourced list of routers and passwords
DailyStockMarketData.com - Daily stock market data in a convenient CSV
Nutripeek - Evidence-based supplement stack insight
Bullish.email - The Stock Market in your inbox every morning
Stonksfolio - Gain insight into the performance of stock & ETF investments
StockData.org - Free real-time, intraday and historical stock market, crypto and forex JSON APIs.