No moat. Still in business.
AI SaaS directory for those who don’t want to rebuild, own the updates, the bugs, the support.
- Autumn
Adds usage limits, credits, plans and spend controls on top of Stripe so AI startups can change pricing without rebuilding billing.
Free plan · Payments and checkout · Developers
- Lago
Open-source billing engine that meters usage, runs subscription and hybrid plans, and issues invoices for software firms.
Since 2021
Free · Invoicing and billing · Software companies
- Polar
Takes payments, subscriptions and usage billing for software makers and handles sales tax worldwide as merchant of record.
Payments and checkout · Developers
- Swell
An ecommerce platform with an API for selling products and subscriptions, with custom storefronts and checkout, for online brands.
Since 2021
Free trial · Online shops · Shops and retail
- WPSubscription
Adds recurring billing, trials, split payments and subscription boxes to WooCommerce stores.
Free plan · Payments and checkout · Online sellers
- Dodo Payments
Takes payments as merchant of record for software and AI products, with subscriptions, usage billing and tax handled.
Since 2025
Invoicing and billing · Developers
- Meteroid
Billing for SaaS and AI companies that handles subscriptions, usage metering, quotes and invoices.
Free plan · Invoicing and billing · Software companies
- Content Control
Choose who can see each page on a WordPress site, with teasers, redirects and paywalls for subscription content.
Free plan · Communities and memberships · Creators and writers
- Checkout Page
Build hosted or embedded checkout pages to sell products, subscriptions, tickets and services through your own Stripe account.
Since 2018
Free plan · Payments and checkout · Online sellers
- Kelviq
Acts as merchant of record for software companies, handling subscriptions, usage billing, feature limits and global sales tax.
Pay as you go · Invoicing and billing · Software companies
- SureCart
WordPress plugin for selling physical goods, digital downloads and subscriptions with built in checkout and payment gateways.
Payments and checkout · Online sellers
- Paymenter
Self-hosted billing for web and game hosting firms that automates subscriptions and server setup, with a WHMCS migration tool.
Free · Invoicing and billing · Software companies
- Recurio
A WooCommerce plugin for selling subscriptions, taking recurring payments and tracking renewals for online stores.
Free plan · Payments and checkout · Online sellers
- moneydevkit
Adds checkout, subscriptions and webhooks to apps, with docs an AI coder can follow and wallets AI agents can spend from.
Payments and checkout · Developers
- WP EasyCart
WordPress store plugin for selling physical items, digital files and subscriptions, taking payment by Stripe, Square or PayPal.
Free plan · Online shops · Restaurants and cafés