Alpaca Data API - Free real-time stock market data API
data.world - The social network for data people
Swarmia - Swarmia is an engineering productivity software trusted by 600+ engineering teams worldwide. Use key engineering metrics to unblock the flow, align engineering with business objectives, and drive continuous improvement.
Gist - Create simple, beautiful data driven applications
Whaller - Create your own free and unlimited private social networks.
Valha - DeFi APIs for developers