Brian Casel
Brian Casel

Work that doesn’t feel like it.

I love the hard, creative work of designing products just as much as my mission to build a business that lasts. Join thousands and follow along.

"Honesty, no bullshit or fluff. Just straight talk." —A long-time subscriber


My story

Here’s my story.

What I'm up to now
And the winding path I took to get here

My products

Instrumental Products
Instrumental Products Started in '24 and running

Product development consultancy where I (and my small team) strategize, build and launch new software products.

Clarityflow
Clarityflow Started as ZipMessage '21, became Clarityflow in 2023

Coaching software for client conversations, creating and selling coaching programs.

Full Stack Founder
Full Stack Founder Started in '24 and running

Helping founders go full stack and learn how to design, code, and ship your own software products.

See all my current & past products »


My content

Essays
When it's a lesson I don't want to lose, I think it through, then write it up.
Podcasts
Week-to-week, you can hear me on the mic either rambling off the cuff or picking the brain of people I find interesting.
Tweets
My go-to place for wasting time on the Internet.