One of Cloudflare's major sources of revenue is DNS-based load balancing with a metered pricing model.
rage4.com is an easy to use unmetered alternative. Despite being from a tiny company, they have a great anycast network and rank well on dnsperf.com.
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OVH is a very cost efficient hosting service for VPS instances and dedicated servers with free DDoS protection. They have uncapped/unmetered bandwidth for all the DCs in North America and Europe. We use their shared CPU VPS + GeoDNS as a cost efficient, unmetered CDN alternative.