Y Combinator Winter 2007 (W07) Companies

A management platform for individual sellers across multiple online marketplaces like eBay and Amazon that handles listing, sales tracking, and provides analytics to optimize pricing and revenue.

1 investor

Buxfer is a personal finance management platform that helps users track income, expenses, savings, and investments across multiple accounts. The service provides customizable analytics, insights into spending habits, and actionable financial planning advice for individuals.

1 investor

Heysan offered cross-platform messaging that connected mobile phones with computers over SMS and instant messaging, serving over one million users who exchanged tens of millions of messages monthly through its integrated mobile community platform.

1 investor

Octopart provides a search and comparison platform for electronic components, delivering pricing, availability, and technical specifications data for millions of parts sourced from over 400 distributors and manufacturers. The platform serves engineers and procurement teams looking to identify parts, compare options, and optimize component sourcing.

1 investor

Socialmoth operates an anonymous community platform where members share personal thoughts and updates, primarily attracting women users, with plans to expand into workplace-focused anonymous posting through a separate product that verifies users by organizational email address.

1 investor

Tsumobi provides a programming language that runs on mobile devices, allowing developers to deploy and update applications remotely without requiring users to manually install or upgrade versions.

1 investor

Twitch operates a live video platform where millions of monthly viewers watch and interact with gaming broadcasts from casual players, professional competitors, esports tournaments, and game developers.

4 investors

View3 is a digital consultancy that provides strategy, UX/design, and technology services to help companies develop and operate digital products and services. The firm assists clients across various industries with software architecture, user interface design, and process optimization.

1 investor

Virtualmin provides web-based system administration tools for virtual host management, targeting hosting providers and system administrators managing UNIX and Linux environments. The company offers Webmin, Usermin, and Cloudmin as open-source and commercial administration platforms.

1 investor

Weebly is a website and eCommerce platform that enables entrepreneurs to build, manage, and grow online stores with integrated tools for marketing, inventory, shipping, and analytics. The platform serves business owners transitioning to online sales or starting new online ventures.

4 investors

A platform connecting musicians, agents, publicists, and venues with tools for tour management, artist discovery, and booking coordination.

1 investor

WriteWith is a web-based collaborative writing platform that allows multiple users to draft, edit, and publish documents together with version control and real-time commenting. The service is used by college newspapers to manage the document workflow from initial draft through publication.

1 investor