Dataset Search - Making it easier to discover datasets. Made by Google.
Tunzal - Tunneling solution to expose local endpoint at minimum cost.
Gigadata - Gigadata makes large datasets like total stock market prices, crypto, news, financials, reddit posts, government stats, the weather available via a simple API.
Kaggle Datasets - Share, collaborate on, and analyze open data
Commons Marketplace - A marketplace to find and publish open data sets.
AnyPicker - Scrape web data without any code, just click what you see.