Marketplaces and Client Portals
Tools built for logged-in experiences, a client portal where customers check order status, a two-sided marketplace with vendors and buyers, or a members-only community. Usually built on top of a database you already run, with permissions and payments layered on top.
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Purpose-built for two-sided marketplaces, where sellers or providers list and buyers browse and pay, rather than a general app builder stretched to fit that use case. Handles the specific plumbing a marketplace needs, listings, search, messaging, payments split between platform and seller, out of the box.
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Adds logins, Stripe payments, and gated content to a site you've already designed, most commonly a Webflow site, rather than being a portal builder in its own right. The go-to answer when someone asks how to put a paywall or members-only section behind an otherwise finished design.
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A subscription and membership backend built to bolt onto a site you've already built in Webflow or elsewhere, handling logins, recurring billing, and a self-service billing portal rather than the whole website itself. Aimed at SaaS founders and membership site owners who need real subscription logic, not just a login gate.
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Turns Airtable, Google Sheets, Smartsheet, or Salesforce into a permissioned portal for customers, partners, or staff, with a heavier focus on business-process permissions than a typical website builder would offer. Pitched more at operations teams building an internal system than at a public-facing directory.
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A narrower, Airtable-only portal builder that ships ready-made templates for specific portal types, customer, community, volunteer, supplier, rather than a blank canvas you configure from scratch. A simpler, cheaper option than Softr or Stacker if your data already lives in Airtable and fits one of its templates.