Cambridge Digital Library has recently put online high quality color facsimiles of many of the lute
MSS contained in the Cambridge University Library,
Eric Crouch's "Guitar Loot" site contains free tab and mensural arrangements of lute pieces,
in the grand tradition of looting the treasures of early music.
Alain Veylit's lute site contains some editions and facsimiles of lute music, though it is now more devoted to development of a new "Fandango" tab typesetting development.
Julia Craig-McFeely's Oxford thesis is a valuable source of information about the contents of English lute MSS.
The Fronimo Yahoo group
is a valuable source of information about the fronimo tablature editor
and also contains a great quantity of encoded lute music.
John Huffman, lute maker's "Music in Wood" site. He is starting up his lute making business.