I've used a circular saw with a Kreg track. Husky tools has a track too:
The kreg one is meh. Haven't tried the husky track, but it is cheaper than spending 300-800 on a track saw.

Kreg 50 in. Accu-Cut Aluminum Circular Saw Track KMA2700 - The Home Depot
Make your drilling process convenient with this Kreg AccuCut Aluminum Circular Saw Track. Features rugged design and works with standard chucks.
www.homedepot.com

Husky 100 in. Cutting Guide 99681 - The Home Depot
The marking and cutting guide is very useful for entire circular. The durable clamp edge is made of tough heavy-duty extruded aluminum, for long life and consistent straight edge. The adjustable end clamp
www.homedepot.com
The kreg one is meh. Haven't tried the husky track, but it is cheaper than spending 300-800 on a track saw.