These are all companies and products where at least one founder is or was a teacher. If I am missing any tools here, let me know. This list is constantly being updated.
Benjamin Berte
Keith Mukai
Sam Chaudhary
Greg McDonald
Matt Nupen & Karin Hogen
James Willcox
Matt Bardin
Farbood Nivi
Alex Grodd
Sebastian Thrun
Daphne Koller & Andrew Ng
Daniel Yoo & Justin Su
Matt Hardy
Jeff Scheur
Jennifer Medbery
Aliya Bhatia, Ana María de Vries & Grace Landrieu
Dr. Deborah Hardy
Eric Westendorf
Dan Carroll
Francisco Nieto & Reina Cabezas
Adam Bellow
Dr. Martin Bush
Lisa Lantz
Kasey Brown
Mandela Scumacher-Hodge
Tess Brustein
Sarah Chou
James Sanders & Esther Wojcicki
Adam Geller
Al Rogers & Yvonne Marie Andres
Karim Kai Ani
Nolan Amy
Jocelyn Leavitt
Jeffrey Dionne
Justin Holladay
Harsh Patel
Shawn Rubin
Russel Tarr
Max Sack & Mark McDonald
Quentin Donnellan
Scott Messinger & Robbie Earle
Greg Nussbaum
Karen Garrett
Coolmath Karen (real name not given)
Colleen King
Reed Howard
Dr. Louise Waters
Jocelyn Leavitt
Julia Leonard
Dr. Keith Devlin, Randy Weiner, & Pamela Briskman
Jason Orbaugh
Karen Mahon
Eric Marcos
Eric Marcos
Walter Duncan
Miriam Altman & Alexandra Meis
Ben Levy
Jim Burke
Steve Fortna
Justin Mann
Quim Sabrià
Suzanne Munroe
Maya Goodall
Gordon Hamilton
Hajj Womack
Susan Bearden
Mariah Bruehl
David Powell
Alan Witty
Katy Hite, Amy Killebrew, Elizabeth Ludemann, Allison Parker, & Vicki Rakowski
Ben Crossett
Jason Singer
Brian Aspinall
Dr. Michael Bell & Carole Bell
Joel Levin & Santeri Koivisto
Andrea Rincon
Charles P. McKeague
Libby Curran
Matt Nupen & Karin Hogen
Teri Blumenthal
Julia Franks