Databases

academia.edu - free scholarly articles of varying quality and subjects.

Beazley Archive Pottery Database

British Library E-Theses Online Service

Collection of Greek Ritual Norms - A database of Ancient Greek religious practices searchable by date, location, and more. Highly localized but very helpful.

Database of Greek Animal Sacrifice

Digital Fragmenta Historicorum Graecum - Ancient Greek fragments.

Durham University Classics and Ancient History Theses

epigraphy.info - digitized inscriptions

Greek Cult Epithets Database

Greek Inscriptions Online

Greek Inscriptions By Region

Hellenistic Inscriptions in English Translation

Iconic LIMC - Images by keyword from the Lexicon Iconographicum Mythologiae Classicae (LIMC)

papyri.info - database of papyri.

Perseus Digital Library

Sacred Texts’ Classics section

Theoi.com - their more recent clickbaity articles are poor quality but the pages on the Theoi, daimones, titans etc. are good.

The Internet Classics Archive

Trismegistos - database of Greco-Roman-Egyptian papyri.

Greek Inscriptions Online

Greek Inscriptions By Region

Dictionaries

Logeion - Dictionary for Ancient Greek and Latin words.

LSJ Lexicon - Dictionary for Ancient Greek words.

Magic

Grimoar’s tag for Greek magical texts

The Campbell Bonner Magical Gems Database

The Greek Magical Papyri

Divination

Dodona Online - A website documenting the lamellae (oracular results) from the temple of Zeus at Dodona.

The Homeromanteion - Gives you a random passage from Homer.

Community

The Xenia Declaration

Books

Downloebables - Loeb books, put online.

Loebolus - Public Domain Greek and Roman Classics texts - mostly Roman, but Pausanias is in there too. It covers a wide range of historical periods.

Religion in Hellenistic Athens by Jon D. Mikalson.

Sacred Texts

The Cults of the Greek States Volume 1 by L. R. Farnell

The Internet Classics Archive - An MIT website containing the entirety of many famous writers like Aristophanes (yes, you can read all of The Frogs!)

The Temple of Apollo Bassitas - collection of free books about this temple.

Language

Deciphered Mycenean (Linear B) texts

Lexicity: A collection of links for learning Ancient Greek. It can be done!

Mango Languages Ancient Greek Course - A free course to learn Attic Greek!

Open University: Getting Started on Ancient Greek - A free introductory course to learn Attic Greek.

Palaeolexicon: Dictionary of deciphered ancient languages, including Mycenean/Linear B.

Journals

Akroterion - peer-reviewed open access journal about Greece and Rome.

Greek, Roman and Byzantine Studies (Duke Univerisity)

Other Resources

Ancient World Online

Bugguide.net

Global Biodiversity Information Facility

Greek Archaeological Museums

Kosmos Society - Harvard’s Center for Hellenic Studies’ webpage, featuring videos and essays on various things about Ancient Greece. The CHS also hosts a yearly, free course in edX about Ancient Greek Heroes.

Medicina Antigua - Collection of short articles and links about Ancient Greek amedicine.

Nursing Clio - collaborative, open-access, peer-reviewed blog posts about ancient history as it relates to gender and medicine.

Unicode Fonts for Ancient Scripts

*I will try to keep this updated when I find more useful links.