These are helpful links to various types of Classical resources. 

On this page:

Texts

An old classical manuscripthttp://www.aoidoi.org/

http://penelope.uchicago.edu/Thayer/E/Roman/home.html

http://www.scholiastae.org/scholia/Main_Page

http://comlex.pbworks.com/w/page/9977069/FrontPage

http://www.thelatinlibrary.com

https://www.thelatinlibrary.com/isidore.html

https://www.gutenberg.org/

http://www.ucc.ie/celt/latpage.html       

http://www.forumromanum.org/literature/authors_a.html

http://www.philological.bham.ac.uk/bibliography

http://www.tlg.uci.edu

http://www.perseus.tufts.edu/hopper

Scholarly Databases

http://www.jstor.com

scholar.google.com

https://brill.com/

http://www.uniheidelberg.de/institute/sonst/adw/edh/index.html.en

Reference

Old Latin Classical manuscripthttp://www.poetaexmachina.net

http://vos.ucsb.edu/

http://www.etymonline.com

http://archives.nd.edu/words.html

https://www.lib.uchicago.edu/h/woodhouseegd

http://www.archive.org/details/englishgreekdict027453mbp

http://www.lexilogos.com/english/greek_ancient_dictionary.htm

http://dict.leo.org

Philology

http://sphinx.metameat.net

http://www.dramata.com

http://ancientbibliographies.libs.uga.edu/wiki/Main_Page

http://www.papyrology.ox.ac.uk

http://rhetoric.byu.edu

http://socrates.berkeley.edu/~ancgreek

Social/Blog

SPQR etched in stonehttp://blogs.dickinson.edu/latin-poetry-podcast

http://rogueclassicism.com

http://bestlatin.blogspot.com/

http://www.reddit.com/r/ancientgreek

http://www.reddit.com/r/latin

http://www.reddit.com/r/ancientgreece

http://www.reddit.com/r/ancientrome

http://bloggingpompeii.blogspot.com/2010/01/more-news-from-il-mattino-more-of.html

Archaeology/History

Classical architecture at Mycenaewww.artstor.org

www.ostia-antica.org

http://www.catacombsociety.org

http://www.forumancientcoins.com/NumisWiki/view.asp

http://www.artcyclopedia.com

http://www.mfa.org

http://www.utexas.edu/cola/centers/lrc/ielex/R/Lat.html

http://penelope.uchicago.edu/Thayer/E/Gazetteer/Places/Europe/Italy/home.html

http://www.forumancientcoins.com/index.html

http://coins.lib.virginia.edu

http://catholic-resources.org/AncientRome/Platner.htm

http://www.cardiff.ac.uk/hisar/people/rw/mosaicbibliog.html#greek

http://www.fastionline.org

http://dlib.etc.ucla.edu/projects/Forum

Teaching

Classical statue Odeon of Agrippa in Athenshttp://ankisrs.net

www.vroma.org

http://www.campanian.org

http://www.bartleby.com

http://www.pantheon.org

http://mythman.com

http://www.vroma.org/%7Ebmcmanus/house.html

http://gaudium-mundo.blogspot.com

http://mythfolklore.net/aesopica

http://www.textkit.com

http://latinviaproverbs.pbworks.com/w/page/15130829/FrontPage

http://www.mythfolklore.net/bible/stories.htm

http://wiki.dickinson.edu/index.php/Book_1.1-7

http://www.quia.com

http://www.roserwilliams.com/index.htmlLatin in a musical score

https://www.slu.edu/arts-and-sciences/languages-literatures-cultures/academics/classics-ancient-greek-latin.php

http://pompeiiana.blogspot.com

http://eclassics.ning.com

http://www.latinteach.com/Site/Welcome.html

http://www.tabney.com/ecce1.html

http://tarheelreader.org

http://quizlet.com

http://wheelockslatin.com

www.mythweb.com

http://www.tabney.com

https://forum.memoriapress.com/

http://conjuguemos.com/index.php

http://rubistar.4teachers.org/index.php?screen=NewRubric&module=Rubistar

www.tcl.camws.org

http://www.promotelatin.org

http://www.nle.org

http://suberic.net/%7Emarc/scansion.html

Associations

Old Latin musical score called the Chigi codexhttp://www.apaclassics.org

http://www.aclclassics.org

http://www.camws.org

http://www.etclassics.org

http://www.archaeological.org

http://bmcr.brynmawr.edu

https://sites.coloradocollege.edu/cca/ (Colorado Classics Association

Numismatics

Old coinhttp://www.archive.org/details/p1dieantikenmn01akaduoft

http://www.archive.org/details/p2dieantikenmn01akaduoft

http://www.archive.org/details/p1dieantikenmnz3akaduoft

http://rpc.ashmus.ox.ac.uk/coins

http://people.virginia.edu/~jdk3t/RG

http://snible.org/coins/bmc

http://www.sylloge-nummorum-graecorum.org

http://www.forumancientcoins.com/articles/RekaDevnia.pdf

http://www.catbikes.ch/coinstuff/coins-ric.htm

http://www.cngcoins.com

http://www.forumancientcoins.com

http://www.acsearch.info

http://www.coinproject.com