Years ago, I got a list of suggested tools that timber framers should have, from Will Beemer of the guild.

I have added to it from suggestions of others.

Right now it's this list:

Tools for Timber Framing

Layout tools

Calculator (construction type and or scientific)
Chalk line or ink line
Combination square
Framing square
Lumber crayons or chalk
Misc. layout tools: dividers, compass, trammel points, Big Al, Protractor square, parallel line layout ruler, etc
Pencils carpenter and regular
Plumb bob
Stair gauges
Tape measure (16 ft. or 25 ft.)
Utility knife

Hand tools
Adze
Awl
Axe
Block plane (sharp)
Boring machine & bits
Brace & bit (3/4" & 1" auger, and/or set)
Carving tools
Clamps (24" bar or Quik-Grip type)
Corner chisel
Crosscut & rip handsaws
Hammer (16-22 oz. smooth face)
Hand planes (rabbet, smoothing)
Levels (torpedo, 28 in. and/or 48 in.)
Outside dimension calipers
Sharpening files & Sharpening stone
Slick
Timber framing chisel (sharp, 1.5 in. and/or 2 in.)
Tool bag or box
Various size smaller chisels
Wooden or leather head mallet (2-3 lb.)

Power tools
Chain or chisel mortiser
Circular saws (7 1/4 ", 8 1/2", or 16")
Electric hand plane (4", 6" or 12")
Extension cord (#12, 25' minimum)
1/2" electric drill & bits (1" - 1.5" auger and/or set)

Personal Safety Equipment
Ear plugs
Hard hat
Job-site drinking bottle
Nail apron
Safety glasses & Sunglasses
Work gloves
Chaps (when using chainsaws)

Misc: Sawhorses and/or ponies

I hope this list is helpful to you for figuring out what you need in order to do your project.
Jim Rogers