Albright   
Albright Knot - This knot is used to join two lines of different thicknesses.
It is used to attach a heavier 'leader' (rather than a double) to a lighter main line. It requires careful forming of the loops.

Blood Bight     

Blood Bight Knot - This knot is used to create drop loops in light line traces.
Its advantages are that the dropper tends to stand out from the main line and it's reputed 95% retained breaking strain.

Blood   

Blood Knot - This is a high strength knot to join two similar thicknesses of line.
It's main advantage is it's low profile enabling it to run smoothly through rod line guides.

Butterfly Dropper  

Butterfly Dropper - Quick and easy to tie. Creates a loop that will stand away from main line. Is most suitable for lines over 15 kilo.
Can slip if not tightened properly.

Centauri  

Centauri Knot - This knot is principally used to attach hooks through the eye to the line.
Works well on a wide range of line strengths and claims to retain 96% of breaking strain.

Clinched Half Blood  

Clinched Half Blood - This is a high strength multi purpose knot.
It's main use is attaching swivels,lures or hooks to the main line.
Formation should be assisted by pulling down to the base.

Dropper Loop 
Dropper Loop - Creates a stand out loop for attaching a hook to a trace.
Handy in that it can be tied anywhere along the line.