The World History Encyclopedia (formerly the Ancient History Encyclopedia) provides a multitude of resources to engage the public in world history and cultural heritage. There are numerous encyclopedia-style articles on a range of historical and archaeological topics including, art and architecture, daily life, biographies of famous individuals, places, states, time periods, religions, and warfare. The coverage of the site is primarily ancient and medieval, but it is expanding into the Medieval, Early Modern, and Modern periods. There is also a repository of materials for educators such as timelines, quizzes, a media library, and translations of ancient documents. There is also a growing collection of YouTube videos and podcasts on world history subjects. Many of the articles have been translated into a variety of languages.

The China Biographical Database Project is a freely accessible relational database with biographical information on over 500,000 historical individuals primarily from the 7th through 19th centuries. The database datasets are downloadable. There is also additional information on their blog, published papers, and events pages.

This website contains various tools and resources for the study of the Achaemenid Persian Empire, including texts, translations, bibliography, information on archaeological sites, images, maps, museum information, and online publications. Texts are arranged by language (Aramaic, Babylonian, Egyptian, Elamite, Greek, Lycian, and multilingual), region (Anatolia, Babylon, Egypt, Fars, and Greece), and publication.