HTTP AND HTTPS PROXY LIST SITES:-
http://www.proxyserverlist24.top/
http://www.httptunnel.ge/ProxyListForFree.aspx
https://hidemyna.me/en/proxy-list/
http://free-proxy.cz/
http://spys.one/en/http-proxy-list/
https://www.proxynova.com/proxy-server-list/port-8080/
SOCKS4 AND SOCKS5 PROXY LIST SITES:-
https://sockslist.net
http://www.socksproxylist24.top/
https://www.socks-proxy.net
http://spys.one/en/socks-proxy-list/
http://www.gatherproxy.com/sockslist
MIX PROXY LIST SITES:-
http://www.sslproxies24.top/
http://www.gatherproxy.com
https://proxyscrape.com/en/free-proxy-list
enjoy!