Build & Sell Plugins: The Complete Directory of App Marketplaces
Turn your ideas into profitable plugins on established marketplaces with millions of users. Get started building for platforms like Google Workspace, HubSpot, WordPress, and more.
Explore MarketplacesWhy Build Plugins for New Founders?
💰 Low Initial Investment
Build on existing platforms with established user bases. No need to create your own product from scratch.
âš¡ Rapid Market Validation
Get real user feedback and installs quickly. See what works before investing heavily in development.
👥 Built-in Customer Base
Access millions of users already using these platforms. Your plugin reaches customers instantly.
💸 Passive Income Potential
Create once, earn ongoing revenue. Successful plugins can generate income with minimal maintenance.
🚀 Faster Time to Market
Leverage existing APIs and documentation. Launch your plugin much quicker than building a standalone app.
🔗 Leverage Established Ecosystems
Build on trusted platforms with proven business models. Benefit from their marketing and user acquisition.
Explore App Marketplaces
Google Workspace (formerly G Suite) Marketplace
Build add-ons for Google Workspace apps like Gmail, Drive, and Docs.
HubSpot App Marketplace
Develop integrations for HubSpot's marketing, sales, and service software.
WordPress
Develop plugins, themes, and customizations for WordPress.
Xero App Store
Develop integrations for the Xero accounting software.
Zoom App Marketplace
Develop plugins, themes, and customizations for Zoom.
Featured Popular Plugins
SketchUp for Schools
SketchUp in a browser for Primary and Secondary Schools signed up with G Suite for Education.
formLimiter
formLimiter shuts off a Google Form after a max number of responses, at a date and time, or when a spreadsheet cell equals a value.
Gmail
Bring HubSpot to your inbox with the HubSpot integration for Gmail.
Google Calendar
Book meetings quickly and easily with HubSpot and Google Calendar.