Stigg provides a unified monetization platform designed specifically for engineers that helps companies manage and optimize their monetization strategies. It serves as a control layer connecting billing, pricing, CRM, and product experiences through a single entitlement management API.

Stigg is built on a powerful entitlement management API that handles feature configuration, metering, and access control. The platform seamlessly connects with existing billing providers, CRMs, pricing pages, and product experiences, allowing companies to instantly deploy new monetization strategies from a single platform. Stigg announced $17.5M in Series A funding in 2024, bringing total funding to $24M. Fortune 500 companies including Webflow, Miro, Ai21Labs, PagerDuty, Oyster, and 8x8 have adopted Stigg as their unified monetization platform. Pricing starts at $5,376 per year.
Monetization Control Layer for AI Products
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Open-source billing platform for the intelligence era
Founded
Polar.sh is an open-source billing platform for developers launched in 2023. It positions itself as a Merchant of Record that handles payment processing, tax compliance, and digital product delivery for SaaS and developer tools.
Membership and subscription platform
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Memberful is a membership and subscription platform that manages subscriptions within its own platform and passes payments through to Stripe. Members can manage their subscriptions, and the platform handles payment retries and subscription deactivation.
Billing and Financial Reporting for B2B SaaS & AI Companies
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Maxio is the unified financial operations platform created from the merger of Chargify and SaaSOptics. It combines subscription billing, revenue recognition, and SaaS financial metrics to provide a single source of truth for all billing and finops needs for high-growth SaaS and AI companies.