For those who wish to learn or continue Latin, there are a number of resources available online. Here are a few places to start (links to external resources):
Learning Latin language
The text that members of Kosmos Society are using is Wheelock’s Latin (Collins Reference, 7th edition). https://www.harpercollins.com/9780061997211/wheelocks-latin-7th-edition/
Here is the link to The Official Wheelock’s Latin Series Website, which has a lot of interesting things, including audios of pronunciation.
This website from the University of Victoria, British Columbia (UVic) has interactive practice exercises to accompany Wheelock’s Latin, and downloadable flashcards for vocabulary:
This playlist from Dylan Nickelson provides vocabulary revision:
For the principal parts of verbs, this chart from campus.com shows the tenses you can build on each of the principal parts.
Other Latin resources for beginners
OpenLearn (The Open University in the UK) has a couple of short free online courses so you can get a taster of the language:
Getting started on classical Latin
Continuing classical Latin
Discovering Ancient Greek and Latin
Reading Latin texts
Geoffrey Steadman: Latin Texts with Facing Vocabulary and Commentary
Geoffrey Steadman has produced some free digital files featuring a selection of passages from Latin (and Greek) texts with vocabulary and commentary. Members of the Kosmos Society have used some of the Greek ones and found them helpful.
His Latin texts include selections from Caesar, Vergil, Fabulae, Livy, Ovid, Eutropius, Petronius, and Sallust.
You can find the available texts on his website:
This website has a number of free downloadable Latin textbooks and Reading Texts for students. You can find the collection on this page:
Texts and dictionaries on Perseus
Perseus has a number of Latin texts, many with associated English translations:
Free online Latin dictionaries available on Perseus (which are also available via look-up links from the Latin texts):
Lewis, Charlton, T. An Elementary Latin Dictionary. New York, Cincinnati, and Chicago. American Book Company. 1890.
A Latin Dictionary. Founded on Andrews’ edition of Freund’s Latin dictionary. revised, enlarged, and in great part rewritten by. Charlton T. Lewis, Ph.D. and. Charles Short, LL.D. Oxford. Clarendon Press. 1879.
For meter, you might also find this site useful:
Hypotactic: Greek and Latin Meter by David Chamberlain, University of Oregon: scanned versions of selected texts (CC-BY 4.0)
Look for associated threads in the Kosmos Society Discussion Forum where you can ask questions and talk with others who may be working through these materials.