- Cath.com
- Catholic search engine and directory viewable in other (non-English) languages.
- Catholic Goldmine
- Features a list of top Catholic websites, a Catholic encyclopedia, and a directory of links organized by subject.
- The Catholic Internet Directory
- Listings of top Catholic websites, publications, departments, organizations, volunteers, newsgroups, communications services, and ecumenical resources.
- Catholicanada
- Directory of Catholic websites, churches, ecclesiastical movements, organizations, schools, media, news, and online resources.
- Catholicnetlinks
- Directory of Catholic Church members, papal encyclicals, Catholic music, media, and social justice issues.
- CatholicUSA.com
- Links to apologetics, basilicas and shrines, online schools, church and liturgical supplies, teachings, news, organizations, parishes, and publications.
- CathoLinks.com
- Papal fidelity website offering links to online resources for the faithful.
- Esglesia.org
- Searchable Roman Catholic directory also viewable as a thematic catalog.
- The Internet Padre
- Features a topical index of online resources related to the Catechism of the Roman Catholic Church. With news and forums.
- Totally Catholic Link Directory
- Comprehensive compilation of links to Catholic and Christian websites and online resources.
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