Here you’ll find links to various data sources that I’ve found useful.

General data

• Data is Plural

Finance data

• Kenneth R. French - Data Library
• Financial Modeling Prep API
• Open Source Asset Pricing

DEX data:

• Bitquery
• DuneAnalytics

Economic data:

• Federal Reserve Economic Data (FRED)

Cryptocurrency data:

• BitInfoCharts
• Bitcoinity
• Bitcoincharts
• CryptoCompare
• CryptoDataDownload
• CoinCheckUp
• CoinGecko
• CoinMarketCap
• CoinCodex
• Kaiko
• OnChainFX
• TheCrix