If you keep your data in Google spreadsheet and want to have a simple API to access and modify the data, SpreadAPI might be for you. It's a simple Google Apps Script that I created recently for my needs and want to share it with the community for free.
With ARIA DevTools you see your website the way screen readers present it to blind users. Easily spot missing ARIA labels, misused ARIA roles, and incomplete keyboard support in your web applications.