Free artifactory or nexus service url without password, for using in intellij idea

Question

Intelliji Idea shiped with 3 free online repository in settings -> maven -> artifactory or nexus service url http://oss.sonatype.org/service/local/ http://repo.jfrog.org/artifactory/api/ https://repository.jboss.org/nexus/service/local/

all this repos are unavialable (404 error or password protected).

Can you give more free artifactory or nexus service url without password protect? IDEA has no settings for password on repo URL.