Stacker

Stacker is a no-code platform that turns your spreadsheets and databases into secure, professional web applications and portals. By connecting to data sources like Airtable, Google Sheets and databases, Stacker lets businesses quickly build custom apps where customers, partners and team members can log in to access exactly the data and actions they should — no developers, and no migrating away from the tools you already use to store your data.

Stacker's sweet spot is portals: customer portals, partner portals, member directories, client dashboards and internal tools. Instead of emailing spreadsheets around or building expensive custom software, a business can use Stacker to create a polished, branded interface on top of its existing data, with each user seeing a tailored view based on who they are. This makes it ideal for use cases like onboarding clients, sharing project status with customers, managing applications, or giving a team a clean operational interface over a shared database.

The platform pairs ease of use with the controls businesses actually need. Granular permissions ensure people only see and edit the records relevant to them — critical when you're exposing data to external users. You can customize the look and feel to match your brand, add forms and actions so users can submit and update data, and build multiple apps from the same underlying source. Because Stacker layers on top of your data rather than replacing it, you keep one source of truth while delivering modern app experiences on top. For teams that have outgrown raw spreadsheets but don't want a custom development project, Stacker offers a fast, secure way to deliver real portals and apps to the people who need them.