open-source reading environment for classical literature, built to power the Perseus Digital Library. Read Ancient Greek and Latin texts side-by-side with English translations, click any word for instant morphological parsing and dictionary lookup, and cite passages precisely using CTS URN deep links. With 85M+ words of pre-modern literature, no paywalls, and a clean modern UI (Vue.js, Django, GraphQL), it's built for self-learners, students, writers, and digital humanists.