Recurpay - Recurpay is a subscription SaaS app for businesses that automates recurring billing.

Splitwise - Splitwise is a free tool for friends and roommates to track bills and other shared expenses, so that everyone gets paid back. On the web, iPhone, and Android!

Notion Ultimate Subscription System - This template is designed to help you keep track of your subscriptions, get reminders before the renewal date, see a timeline for your subscriptions, and convert the currency of any subscription to your desired currency.

Kittysplit - The easiest way of sharing costs with a group of friends

Bobby - Keep track of your subscriptions

ihatemoney - Manage your shared expenses, easily