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CORS Anywhere - CORS Anywhere is a NodeJS proxy which adds CORS headers to the proxied request.
Corsfix - CORS Proxy by Corsfix lets you instantly fetch any resource and bypass CORS errors, so you can focus on building great websites.
cors.sh - The only cors proxy service that you'll ever need.
crossorigin.me - The free CORS proxy for everyone
Any Origin - Any Origin. Same-Origin-Policy? Not on my watch. Cross domain jsonp access.
All Origins - A free and open source javascript clone of AnyOrigin, inspired by Whatever Origin, but with support to gzipped pages.