SamCart is a shopping cart software and one-page funnel system that lets users sell their digital products online.

SamCart earns points for its ability to migrate customers into its platform. It loses points for the lack of a free plan and credit card-gated free trial.

ClickFunnels is a landing page and sales funnel builder that helps businesses market, sell, and deliver their products online.

Clickfunnels earns points for integrations and language support. It loses points for the very high price of its paid plans and credit card-gated free trial.

ThriveCart is a shopping cart software that lets users add pop-up or embeddable carts to their existing websites. Users can also sell online courses through ThriveCart Learn.

ThriveCart earns points for ability to take payments and integrate with other platforms. It loses points for its high price. Note that ThriveCart is the only product on this list that is a one-time payment instead of a subscription.

Gumroad is a platform that lets creators sell digital products. Creators can sell unlimited files, but transaction fees are fixed at 10% per sale (plus additional credit card fees).

Gumroad earns points for being free and allowing migration of customer lists. It loses points due to the inability to remove transaction fees, limited support, and unclear support availability.