Sublingual

Daily productivity tracker

Y CombinatorWinter 2025InactiveB2BDeveloper ToolsOpen SourceInfrastructureAI

What they do

Problem

Teams struggle to stay focused and consistently ship work due to lack of visibility into daily productivity.

Solution

A desktop daily productivity tracking app that helps teams monitor focus and progress toward shipping.

Who it's for

Teams at companies that want to track daily productivity and improve shipping velocity.

Matthew Tang

Co-Founder and CEO

recommendation systems, computer vision, deep learning theory

Dylan Bowman

Founder

Background: LLM research in defense contracting and deployment safety.