Best subscription flexibility tools in 2025

Open-source billing and payment management for businesses of all sizes.

Real-time question answering with multimodal input support.

Refined chat interface for smooth AI conversations on Windows.

Monthly updates on artificial intelligence news and insights.

Manage receipts and invoices all in one place effortlessly.

Decentralized payment protocol for AI transactions and commerce.

Fast and secure payment management for online gaming.

Automated billing and usage tracking for businesses.

Organizes and summarizes newsletter subscriptions into concise updates.

Free open-source eCommerce solution for online stores.