This document provides 10 tips for building a tech community from Jen Looper's experience managing communities like NativeScript Community and Vue Vixens. The tips include finding the right platform to host the community, setting the right atmosphere, providing tools for members, cultivating community helpers, running activities and contests, amplifying contributions, featuring community members, giving rewards and badges, helping members develop careers, modeling positive behavior, and referring to a code of conduct. The overall message is that building a community takes time and empathy but can be very rewarding.