Find a co-founder, hatch a startup

Tertle is an evolving toolset to help early-stage founders build, connect, and grow.

Built with ❤️ by Ryan

Co-Founder Matching

Find a co-founder, hatch a startup

One-to-one matching is the most direct way to find a co-founder. It's simple - just tell Tertle what you're looking for in a co-founder and Tertle will find the best matches for you.

Sugi Venugeethan

San Ramon, CA, USA🇺🇸

Leadership•Software Engineering

In search for great co-founders by a tech and product focussed co-founder with lots of passion to build great products.

🧱https://cognilogue.com/

Federica Mariani

Novara, Province of Novara, Italy🇮🇹

Business & Operations

Sensibile, avventurosa: le due parole che mi descrivono meglio ❤️

🧱Blue

William Sanchez

Clifton, NJ, USA🇺🇸

Software Engineering

I’m a full stack developer with a degree in cybersecurity and experience building and running tech companies from the time I was 18.

Newest members

Buildspaces

Beta

Discord meets Trello meets Google Docs

No more hopping around on bloated apps designed for enterprise. Chat, share ideas, plan tasks, and build together — all in one place.

...And more

Profiles that grow with you

Tell Show your story, projects, and milestones. It's like a living résumé for builders - perfect for showcasing to potential co-founders, investors and followers.

AI Agent co-founders

Soon

AI-powered agents that can be your sounding board or handle repetitive tasks — like a real co-founder that can help you think, write, and build faster.

Founders Agreement

Soon

A simple, customizable co-founders agreement template to help you and your co-founder set clear expectations and responsibilities from the start.