I've listed everything I can remember, arranged roughly by area.
Southern City Centre
Beetham - 2
River City and surrounding projects - 4
St Georges - 3
Vie - 3
GN Tower - 2
Eagle Star House - 2
University Car Park Cambridge St - 2
MRI Superhospital - 5
Aurora - 1
Western City Centre/Greengate
CJC - 3
Spinningfields NCP - 1
Tempus - 1
Spectrum - 2
red ones near Spectrum - 2
John Rylands Library - 1
GMEN - 1
Rosetti Phase Two - 1
Northern City Centre/Piccadilly
Skyline Central - 3
Site next to Skyline Central - 2
Royal Mills/surrounds - 3
Piccadilly Place - 4
Green Quarter - 1
Issa Quay - 1
Piccadilly Car Park - 1
IVLA? - 1
Next to Ovale - 1
Salford Quays
Old Trafford - 2
NV Towers - 1
Citylofts - 2
This gives us 49 in town and 56 including the quays. Phenomenal.
A few more than this I'm sure, what are they people?
Ones to expect soon:
3 & 4 Hardman Square
Chancery Place
Probably a new Green Quarter one for Jefferson Place
Erie Basin Tower
40 Spring Gardens
More at spectrum
Sarah Tower perhaps
Abito
Pall Mall