Open Source Invoicing & Payment Tools using Express
A curated collection of the best open source tools for creating invoices and processing payments. using Express.
Free online accounting for small businesses and freelancers
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Self-hostable accounting software covering invoicing, expense tracking, cash flow, and client portals. Free to use, available in 50+ languages.
Open Source Alternative to:
Sent – A unified API for sending messages across SMS, RCS, and apps like WhatsApp.
Sent