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Kill Bill is a leading open-source subscription billing & payments platform. It helps you scale your billing and payment infrastructure and to grow your business using access to real-time analytics and financial reports.

Zoho Subscription is a subscription management solution that handles your customer billing life cycle from end to end. It automates recurring billing, manages subscriptions, sends professional tax-compliant invoices, and gets paid on time.

Odoo Subscriptions Management is a subscription solution that allows users to create subscriptions as a product and sell it to customers based on plans. It comes with automated features to handle your recurring sales and subscriptions.

Chargebee is the subscription billing and revenue management platform allowing businesses to maximize revenue opportunities through automated recurring billing and revenue analytics.