Note: All titles are clickable links
The Huntington Library's superb digitization of their copy
First Quarto transcriptionA somewhat-easier-to-read transcription of the First Quarto, preserving all original spellings, but using modern typefaces.
Second Quarto, 1619The Harry Ransom Center, University of Texas at Austin's beautifully digitized copy
Second Quarto, 1619British Library's Shakespeare in Quarto collection
First Folio, 1623A superb presentation of the copy owned by Oxford University's Bodeleian Library
First Folio transcriptionA somewhat-easier-to-read transcription of the First Folio, preserving all original spellings, but using modern typefaces.
A guide to all digitized First Folios available onlineSarah Werner's authoritative blog post with links to all the First Folios online.
Second Folio, 1632From the collection of Miami University of Ohio
M.L. Stapleton's astonishingly complete set of links to digital versions of almost all Shakespeare editions now in the public domain published in the 17th, 18th, 19th and 20th centuries.
Clear Shakespeare PodcastAkiva Fox’s Read-Along Midsummer Night’s Dream Podcast, explaining the play line-by-line.
Shakespeare's StagingUniversity of California, Berkeley's immensely informative site about the staging of Shakespeare's plays throughout history