Finding a free domain provider can help you get your website up and running without any upfront costs. Here are ten providers that offer free domains or subdomains:

1. FreenomFreenom offers free domains with extensions like .tk, .ml, .ga, .cf, and .gq.
2. InfinityFreeInfinityFree provides free subdomains such as .epizy.com and .rf.gd, along with free hosting.
3. AwardSpaceAwardSpace offers free subdomains like .atwebpages.com and free web hosting.
4. 000webhost000webhost provides free subdomains and web hosting.
5. Biz.nfBiz.nf offers free .co.nf subdomains and web hosting.
6. FreehostiaFreehostia provides free subdomains and a free hosting plan.
7. ByetHostByetHost offers free subdomains with free hosting.
8. Google CloudGoogle Cloud offers a free tier that includes a free subdomain with a Google App Engine app.
9. WordPress.comWordPress.com provides a free .wordpress.com subdomain with their free hosting plan.
10. WixWix offers a free subdomain (username.wixsite.com) with their free website builder plan.

Each of these providers offers unique features and benefits, so be sure to explore their services to find the best fit for your needs.