Autumn — Autumn is a billing infrastructure layer built on top of Stripe that lets SaaS companies manage pricing plans, feature entitlements, and usage-based billing via API.
FastSpring — FastSpring is a merchant-of-record ecommerce platform that handles global payments, subscription billing, and tax compliance for SaaS, software, and digital product companies. It takes on legal responsibility as the seller of record, managing VAT and sales tax collection and remittance across more than 200 markets so software publishers do not have to register as tax entities themselves.
Lemon Squeezy — Lemon Squeezy is a merchant-of-record platform that handles payments, subscriptions, tax and compliance for software sellers, now owned by Stripe.
Orb — Orb is a usage-based billing and revenue automation platform that lets B2B software and AI companies meter product usage and launch hybrid pricing models without custom engineering.
Metronome — Metronome is a usage-based billing and monetization platform that helps software and AI companies price, meter, invoice, and report on consumption-based revenue.
Billsby — Billsby is a customizable subscription billing platform that automates recurring payments, dunning, and revenue reporting for SaaS and subscription businesses.