Linear Inc.

Linear Inc. develops project management software designed specifically for software development teams. The company was founded in 2019 by Karri Saarinen and Jori Lallo, both former Airbnb employees, and is headquartered in San Francisco, California.

Linear's primary product is a project tracking and issue management platform that focuses on speed and simplicity for engineering teams. The software provides features including issue tracking, project roadmaps, team workflows, and integrations with development tools like GitHub, GitLab, and Slack. The platform serves software companies ranging from startups to larger technology firms including Vercel, Retool, and Loom.

The company raised a $35 million Series B round in 2021 led by Accel, following a $4.5 million seed round in 2020. Linear has grown to serve thousands of software teams and has maintained a focus on product design and user experience as key differentiators in the project management software market.