Joel Longtine

GitHub Writer — An Open Source WYSIWYG editor for GitHub

Copytesting — Improve your website copy based on data from your audience

Gramara — AI grammar correction

Datazar Paper — Interactive and reproducible scientific papers.

Overflow — The world’s first user flow diagramming tool for designers

HVMN Ketone — The world's first and only ketone ester

Oak — Meditation and breathing exercises for geeks

Biostrap — Dual-device platform: measure biometrics & record activities

Feather Icons — Simply beautiful open source icons

Zero — A simple app to track your fasting

LinkedIn Salary — Discover your earning potential

Brain.fm for iOS — Music for the brain to improve focus, meditation & sleep

StartupCTO.io 22 – Jud Valeski — Creative engineers are the leaders of the software world

Nanit Baby Monitor — Smart baby monitor that tracks sleep using computer vision

Parsey McParseface — The world’s most accurate open source parser

Air Bonsai — Levitating Bonsai Trees

Ocean — Linux server you can fit in your pocket.

Pine A64 — First $15 64-Bit single board super computer

Happy Home — Your personal home manager

Sit — A simple meditation timer for iPhone