These libraries are currently offering online enrollment:
- Acushnet > Acushnet Public Library
- Adams > Adams Free Library
- Agawam > Agawam Public Library
- Amesbury > Amesbury Public Library
- Ashland > Ashland Public Library
- Athol > Athol Public Library
- Bedford > Bedford Free Public Library
- Belchertown > Clapp Memorial Library
- Bellingham > Bellingham Public Library
- Belmont > Belmont Public Library
- Berkley > Berkley Public Library
- Billerica > Billerica Public Library
- Bourne > Jonathan Bourne Public Library
- Boxborough > Sargent Memorial Library
- Boxford > Boxford Town Library
- Braintree > Thayer Public Library
- Brewster > Brewster Ladies' Library
- Brookline > Public Library of Brookline
- Burlington > Burlington Public Library
- Byfield > Newbury Town Library
- Charlton > Charlton Public Library
- Chelmsford > Chelmsford Public Library
- Chicopee > Chicope Public Library
- Clinton > Bigelow Free Public Library
- Cohasset > Paul Pratt Memorial Library
- Concord > Concord Free Public Library
- Dartmouth > Dartmouth Public Libraries
- Dennisport > Dennis Public Library
- Dighton > Dighton Public Library
- Dover > Dover Town Library
- Dracut > Moses Greeley Parker Memorial Library
- Dudley > Pearle L. Crawford Memorial Library
- Duxbury > Duxbury Free Library
- East Longmeadow > East Longmeadow Public Library
- Edgartown > Edgartown Free Public Library
- Everett > Parlin Memorial Library
- Fitchburg > Fitchburg Public Library
- Framingham > Framingham Public Library
- Georgetown > Georgetown Peabody Library
- Great Barrington > Great Barrington Mason Library
- Hadley > Goodwin Memorial Library
- Harvard > Harvard Public Library
- Haverhill > Haverhill Public Library
- Holyoke > Holyoke Public Library
- Hyannis > Hyannis Public Library
- Lancaster > Thayer Memorial Library
- Lawrence > Lawrence Public Library
- Lenox > Lenox Library Association
- Leominster > Leominster Public Library
- Littleton > Reuben Hoar Library
- Lunenburg > Lunenburg Public library
- Lynnfield > Lynnfield Public Library
- Malden > Malden Public Library
- Mansfield > Mansfield Public Library
- Marlborough > Marlborough Public Library
- Mashpee > Mashpee Public Library
- Maynard > Maynard Public Library
- Medford > Medford Public Library
- Melrose > Melrose Public Library
- Merrimac > Merrimac Public Library
- Methuen > Nevins Memorial Library
- Middleborough > Middleborough Public Library
- Milford > Milford Town Library
- Millbury > Millbury Public Library
- Millis > Millis Public Library
- Milton > Milton Public Library
- Needham > Needham Public Library
- Newton > Newton Free Library
- Norfolk > Norfolk Public Library
- North Reading > Flint Memorial Library
- Northborough > Northborough Free Library
- Norton > Norton Public Library
- Norwood > Morrill Memorial Library
- Orange > Wheeler Memorial Library
- Oxford > Oxford Free Public Library
- Palmer > Palmer Public Library
- Peabody > Peabody Institute Library
- Pembroke > Pembroke Public Library
- Pepperell > Lawrence Library
- Pittsfield > Berkshire Athenaeum
- Quincy > Thomas Crane Public Library
- Randolph > Turner Free Library
- Raynham > Raynham Public Library
- Reading > Reading Public Library
- Rochester > Joseph H. Plumb Memorial Library
- Rowley > Rowley Public Library
- Royalston > Phinehas S. Newton Library
- Salisbury > Salisbury Public Library
- Seekonk > Seekonk Public Library
- Sharon > Sharon Public Library
- Shrewsbury > Shrewsbury Public Library
- Somerset > Somerset Public Library
- Southwick > Southwick Public Library
- Springfield > Springfield City Library
- Sterling > Conant Public Library
- Stoneham > Stoneham Public Library
- Sturbridge > Joshua Hyde Library
- Sudbury > Goodnow Library
- Sunderland > Sunderland Public Library
- Sutton > Sutton Free Public Library
- Swampscott > Swampscott Public Library
- Swansea > Swansea Public Library
- Tewksbury > Tewksbury Public Library
- Topsfield > Topsfield Town Library
- Townsend > Townsend Public Library
- Uxbridge > Uxbridge Free Public Library
- Vineyard Haven > Vineyard Haven Public Library
- Wakefield > Lucius Beebe Memorial Library
- Walpole > Walpole Public Library
- Waltham > Waltham Public Library
- Watertown > Perkins Library
- Wayland > Wayland Free Public Library
- Webster > Webster Public Library
- West Brookfield > Merriam-Gilbert Public Library
- West Newbury > G.A.R. Memorial Library
- West Springfield > West Springfield Public Library
- Westborough > Westborough Public Library
- Westfield > Westfield Athenaeum
- Westhampton > Westhampton Public Library
- Weston > Weston Public Library
- Westwood > Westwood Public Library
- Wilbraham > Wilbraham Public Library
- Wilmington > Wilmington Memorial Library
- Winchester, MA > Winchester Public Library
- Woburn > Woburn Public Library
- Worcester > Worcester Public Library
- Yarmouth > Yarmouth Town Libraries