Alciato's Book of Emblems: A collection of 212 Latin emblem poems, each consisting of a motto, a picture, and an epigrammatic text. Popular in the 16th and 17th centuries.
Bacon, Francis: Novum Organum: Deals with the scientific method.
Carmina Popularia: Latin translations and English back-translatons of popular songs.
Contemporary Latin Poetry: Modern Latin poetry with information about scansion and style.
Declarationem Hominis Iurium Universam: A Latin translation of the Universal Declaration of Human Rights.
Descartes: Meditationes: Trilingual (Latin, French, English) text of René Descartes' "Meditationes de Prima Philosophia, in quibus Dei existentia, et animae humanse à corpore distinctio, demonstrantur."
Ecce Gratum et Optatum: Lyrics of a knieppe song written by Philipp Gretscher in 1895.
Erasmus: Opera: Moriae Encomium, Scripta Selecta and Colloquia.
Fides et Ratio: Encyclical Letter of John Paul II on the relation of faith to reason.
Galileo Galilei: Sidereus Nuncius: The Starry Messenger. An astronomical treatise.
Glaucis Comic Strips: Comic strips about a Latin-speaking owl called Glaucis (site is still mainly in Dutch but comic strips are in Latin).
In Quintum Novembris - John Milton: The work, introduction, and translation (U of California).
Luther: 95 Theses: Or, Disputatio pro Declaratione Virtutis Indulgentiarum. Complete text in Latin. From Project Wittenberg.
Neo-Latin Texts: An analytic bibliography.
Redemptoris Custos: Latin text of John Paul II's apostolic exhortation on St. Joseph.
Song Book: The Christmas and Miscellaneous pages have actual Neo-Latin songs like "White Christmas" and "Santa Claus is Coming to Town".
Torquato Tasso’s Gerusalemme Liberata: Gentili's Neo-Latin translation of Cantos I-II and IV (1584), and Carew's English rendition of the first five cantos (1595).
Verbi Sponsa: Official Latin Text of document from Congregation For Institutes of Consecrated Life and for Societies of Apostolic Life.
Vico, Giambattista: Oratio VI: The work of the professor of rhetoric at the University of Naples.