Side Space

Side Space is an AI-powered browser extension and SaaS that brings vertical tab management to Chrome, helping power users and productivity enthusiasts organise their browsing more efficiently. The platform has 3,000+ registered users, 200+ paying customers, and $5,000 in trailing twelve-month revenue. Built with Vue 3, Nuxt 3, and Supabase on Vercel, the product is technically solid and operationally lean. Revenue is generated through lifetime deals with a growing subscriber base. The platform is live and growing organically with minimal active marketing. Side Space is an established product in the large and active browser productivity market. It has particular traction in Hong Kong and the broader Asia-Pacific market, with significant untapped potential in the global productivity audience.