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Tools & Platforms
F2 Framework https://www.openf2.org
Plaid - https://plaid.com/ - a tool that enables applications to connect with user’s bank accounts. Should get a big boost from PSD2.
3rd party providers
Spectre Data Aggregation API
Coverage: 58 countries, 2500+ financial institutions. Biggest coverage — Europe. Map
Kontomatik Banking API4
Coverage: UK, Poland, Czech Republic, Slovakia, Spain, Portugal, Mexico, Brazil, Russia.
Banks (listing by HO location, most operate in multiple countries
France: BNP Paribas Open Bank Project1
Coverage (BNP Paribas Group Banks only): UK, US, Poland, France, France, Turkey, Italy
Spain: BBVA Compass
Wealth Management Focus
Saxo Bank http://www.saxobank.com/news/press/saxo-opens-access-to-its-trading-infrastructure-with-the-launch-of-openapi