Here is a list of education technology companies and products with at least one female co-founder. If I am missing any tools here, let me know. This list is constantly being updated.
Katrina Stevens and Nicole Smith
Website: http://lessoncast.com/
Yasmeen Kassim
Free iPad app: http://itunes.apple.com/us/app/math-workbook/id467548534?mt=8&uo=4&at=10l6SU
Free iPhone app: http://itunes.apple.com/us/app/math-workbook/id467548534?mt=8&uo=4&at=10l6SU
Heather Hiles
Website: http://www.pathbrite.com/
Ritu Jain
Website: http://learningjar.com/
Betsy Corcoran
Website: https://www.edsurge.com/
Alexandra Fleur
Website: https://edu.critiqueit.com/
Jennifer Medbery
Website: http://www.kickboardforteachers.com/
Edmodo app: http://www.edmodo.com/publisher/kickboard
Aliya Bhatia, Ana MarĂa de Vries and Grace Landrieu
Paid iPad app: http://itunes.apple.com/us/app/dash4teachers-connecting-teachers/id529027117?ls=1&mt=8&uo=4&at=10l6SU
Paid iPhone app: http://itunes.apple.com/us/app/dash4teachers-connecting-teachers/id529027117?ls=1&mt=8&uo=4&at=10l6SU
Dr. Deborah Hardy
Website: http://schoolcounselorcentral.com/
Yasmeen Kassim
Free iPad app: http://itunes.apple.com/us/app/math-pro!!!/id537249122?mt=8&uo=4&at=10l6SU
Free iPhone app: http://itunes.apple.com/us/app/math-pro!!!/id537249122?mt=8&uo=4&at=10l6SU
Lisa Lantz
Paid iPad app: http://itunes.apple.com/us/app/fluencyfinder/id537046445?ls=1&mt=8&uo=4&at=10l6SU
Paid iPhone app: http://itunes.apple.com/us/app/fluencyfinder/id537046445?ls=1&mt=8&uo=4&at=10l6SU
Paid Android Phone app: https://play.google.com/store/apps/details?id=com.LGG.FluencyFinder
Kasey Brown
Website: http://digitwhiz.com/
Free iPad app: http://itunes.apple.com/us/app/digitwhiz-math/id559968556?mt=8&uo=4&at=10l6SU
Amy Lin
Website: http://www.blendspace.com/
Edmodo app: http://www.edmodo.com/publisher/edcanvas
Mandela Scumacher-Hodge
Website: http://tioki.com/
Tess Brustein
Website: http://www.beasmartercookie.com/
Free iPad app: https://itunes.apple.com/us/app/smartercookie-uploader/id663608148?mt=8&at=10l6SU
Free iPhone app: https://itunes.apple.com/us/app/smartercookie-uploader/id663608148?mt=8&at=10l6SU
Sarah Chou and Qian Wang
Website: http://chalkschools.com/
Esther Wojcicki
Website: http://www.classbadges.com/
Ayah Bdeir
Physical product: https://littlebits.com/
Lisa Fung and Maureen McAvoy
Website: http://www.school-pages.com/
Kate Connally
Free iPad app: https://itunes.apple.com/us/app/kungfu-skeeter/id527742434?mt=8&uo=4&at=10l6SU
Chandini Ammineni, Shilpa Dalmia and Peggy Chang
Website: http://www.activityhero.com/
Jenny Chang and Wayne Jiang
Website: http://www.shareasale.com/r.cfm?b=417937&u=737599&m=43743&urllink=&afftrack=
Deb Liu
Website: http://causera.org/
Jocelyn Leavitt and Samantha John
Free iPad app: https://itunes.apple.com/us/app/daisy-the-dinosaur/id490514278?mt=8&uo=4&at=10l6SU
Stephanie Castilla
Free iPad app: http://mymetryx.com/
Alison Johnston
Website: http://instaedu.com/
Karen Garrett
Website: http://www.musictechteacher.com/music_quizzes/music_quizzes.htm
Coolmath Karen (real name not given)
Website: http://coolmath4kids.com/
Maya Bisineer
Free iPad app: https://itunes.apple.com/us/app/memetales-childrens-picture/id437133315?mt=8&uo=4&at=10l6SU
Free iPhone app: https://itunes.apple.com/us/app/memetales-childrens-picture/id437133315?mt=8&uo=4&at=10l6SU
Free Android Phone app: https://play.google.com/store/apps/details?id=com.memetales.mobile.memereader
Catheryne Nicholson
Website: https://www.mommazoo.com/
Colleen King
Website: http://www.mathplayground.com/
Reed Howard
Website: http://wowzers.com/
Dr. Louise Waters
Website: http://exitticket.org/
Sue Khim
Website: https://www.alltuition.com/
Jocelyn Leavitt and Samantha John
Free iPad app: https://itunes.apple.com/us/app/hopscotch-programming-designed/id617098629?mt=8&uo=4&at=10l6SU
Free iPhone app: https://itunes.apple.com/us/app/hopscotch-programming-designed/id617098629?mt=8&uo=4&at=10l6SU
Diana Dell
Website: http://www.gamequarium.com/
Anna Sturrock
Website: http://theanswerpad.com/
Free iPad app: https://itunes.apple.com/us/app/answer-pad/id978897926?mt=8&uo=4&at=10l6SU
Free iPhone app: https://itunes.apple.com/us/app/answer-pad/id978897926?mt=8&uo=4&at=10l6SU
Free Android Phone app: https://play.google.com/store/apps/details?id=com.theanswerpad.student
Free Android Tablet app: https://play.google.com/store/apps/details?id=com.theanswerpad.student
Julia Leonard
Website: http://www.mathworksheetsland.com/
Karen Mahon
Website: http://www.balefirelabs.com/
Miriam Altman & Alexandra Meis
Website: http://www.kinvolved.com/
Ana Albir
Free iPad app: https://itunes.apple.com/us/app/drawp-drawing-families-closer/id571816406?mt=8&uo=4&at=10l6SU
Paid iPad app: https://itunes.apple.com/us/app/drawp-unlimited-drawing-families/id625439995?mt=8&uo=4&at=10l6SU
Ana Albir
Free iPad app: https://itunes.apple.com/us/app/drawp-for-school-collaboration/id794209888?mt=8&uo=4&at=10l6SU
Free Android Tablet app: https://play.google.com/store/apps/details?id=com.moondrop.drawpedu
Google Chrome app: https://chrome.google.com/webstore/detail/drawp-for-school/fbjjojpjgjkpoehlggmbgpalkmcaohic
Free Mac program: http://drawpforschool.com/download/
Free Windows program: http://drawpforschool.com/download/
Nikita Kapoor
Paid iPad app: https://itunes.apple.com/us/app/mini-monet-creative-studio/id767561903?mt=8&uo=4&at=10l6SU
Maya Goodall
Free iPad app: https://itunes.apple.com/us/app/tem/id621180485?mt=8&uo=4&at=10l6SU
Mariah Bruehl
Website: http://playfullearning.net/
Katy Hite, Amy Killebrew, Elizabeth Ludemann, Allison Parker, & Vicki Rakowski
Website: http://makeitatyourlibrary.org/
Kathryn Tucker
Free iPad app: https://itunes.apple.com/us/app/redrover/id406050873?mt=8&uo=4&at=10l6SU
Free iPhone app: https://itunes.apple.com/us/app/redrover/id406050873?mt=8&uo=4&at=10l6SU
Free Android Phone app: https://play.google.com/store/apps/details?id=bf.com.redrover
Andrea Rincon
Website: http://123spanishforme.com/
Kaylie Greaves
Website: http://kahootshq.com/
Erika Trautman
Website: http://www.raptmedia.com/
Libby Curran
Paid iPhone app: https://itunes.apple.com/us/app/id962171685?mt=8&at=10l6SU
Paid iPad app: https://itunes.apple.com/us/app/id962171685?mt=8&at=10l6SU
Free iPhone app: https://itunes.apple.com/us/app/reading-train-free-learn-to/id702227884?mt=8&at=10l6SU
Free iPad app: https://itunes.apple.com/us/app/reading-train-free-learn-to/id702227884?mt=8&at=10l6SU
Teri Blumenthal
Free iPad app: https://itunes.apple.com/us/app/id986937199?mt=8&at=10l6SU
Paid iPad app: https://itunes.apple.com/us/app/clue-catcher-all-grades-edition/id1087685228?mt=8&at=10l6SU
Julia Franks
Website: https://loosecanon.com/