Self-hosted projects tagged “Billing”

Ghost is an open-source publishing platform for blogs and websites with built-in newsletters, membership management, and paid subscriptions.

MITActively maintained

Alternative to:

Ghost(Pro)+13

Odoo is a modular suite of web-based business apps, providing an open-source ERP with CRM, accounting, inventory, HR, eCommerce, website, and more.

Actively maintained

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Microsoft Dynamics 365+19

PHP-based open-source hotel reservation platform providing PMS, booking engine, channel manager and hotel website features for small to enterprise properties.

OSL-3.0Actively maintained

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Cloudbeds+10

Open-source billing infrastructure for usage metering, subscriptions, invoicing, and hybrid pricing via an API and web interface.

AGPL-3.0Actively maintained

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Chargebee+11

Self-hostable online accounting software to manage invoices, expenses, payments, and cash flow for small businesses and freelancers.

Actively maintained

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Akaunting Cloud+13

Self-hostable invoicing platform for invoices, quotes, recurring billing, online payments, expenses, projects, and time tracking with a client portal and API.

Actively maintained

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FreshBooks+18

Modern open-source time tracking for freelancers and teams, with projects, tasks, clients, rates, reporting, and PDF invoicing in one place.

AGPL-3.0Actively maintained

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Kimai Cloud+19

Wallos is a self-hostable web app for tracking recurring subscriptions, multi-currency expenses, notifications and simple analytics for household finances.

GPL-3.0Actively maintained

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TrackMySubs+19

Open-source, modular billing and payments platform for subscriptions with real-time analytics, APIs, and plugin extensibility.

Apache-2.0Actively maintained

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Zuora+14

OpenEMR is an open-source electronic health records (EHR/EMR) and practice management platform for clinics, including scheduling, billing, and interoperability features.

GPL-3.0Actively maintained

Alternative to:

Cerner (Oracle Health)

Ever Gauzy is an open-source business management suite combining ERP, CRM, HRM/ATS, and project & time tracking with a web UI and headless APIs.

AGPL-3.0Actively maintained

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Odoo+19

Self-hosted open source invoicing software to manage quotes, invoices, clients, and payment tracking, with customizable templates and multilingual UI.

Actively maintained

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Invoice Ninja+14

Open-source invoicing app built with Laravel & Vue. Provides invoices, estimates, expense tracking, REST API, customizable PDF templates and self-hosting documentation.

AGPL-3.0Actively maintained

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Invoice Ninja+9

Self-hosted open-source billing, invoicing, payments, and client management platform for hosting and online service businesses.

Apache-2.0Actively maintained

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WHMCS+12

Invio is a minimalist self-hosted invoicing app to create invoices, share secure public links, and manage billing data with a simple SQLite-backed setup.

UnlicenseActively maintained

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Invoice Ninja+12

Apache OFBiz is a Java-based open-source ERP and e-commerce framework providing modular apps for accounting, CRM, order management, inventory and manufacturing, plus developer APIs.

Apache-2.0Actively maintained

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Odoo+19

Open-source PSA for MSPs combining client documentation, ticketing, billing/accounting, and a client portal, with API integrations and optional AI assistance.

GPL-3.0Actively maintained

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HaloITSM+19

Self-hosted, open-source, non-custodial crypto payment processor supporting major coins, smart chains, and stablecoins with merchant APIs and an admin panel.

MITActively maintained

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Coinbase Commerce+9

Rachoon is a modern self-hosted invoicing app for freelancers and small businesses, with client management, payment tracking, PDF export, and customizable templates.

AGPL-3.0Actively maintained

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Invoice Ninja+13

Self-hosted invoicing and quoting platform with client management, taxes/discounts, online payments, and a REST API for integrations.

MITActively maintained

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Invoice Ninja+15

Open-source invoicing app for freelancers to create invoices and quotes, manage clients, and track payments with a self-hosted stack (React, NestJS, Prisma, SQLite, PostgreSQL).

AGPL-3.0Actively maintained

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Invoice2go+9

Open-source, non-custodial crypto payment gateway for e-commerce and services. Invoice-based API, webhooks, plugins, multi-currency support and multipayouts.

GPL-3.0Actively maintained

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Coinbase Commerce+8

Open source web-based double-entry accounting and ERP with invoicing, order processing, inventory, projects, and robust PostgreSQL-backed reporting.

Actively maintained

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QuickBooks Online+14

Self-hosted subscription manager to track recurring expenses, send email/push/webhook reminders, and view reports with multi-currency and timezone support.

Slowing down

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Rocket Money+3

Open-source web application for complex organization hierarchies: members, events, courses, mailings and payments. Plugin-based, Rails-backed, community-driven.

AGPL-3.0Actively maintained

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WildApricot+12

Track subscriptions, visualize spending, get renewal reminders and export data. Built with Go, HTMX, SQLite and Docker for easy self-hosted deployment.

AGPL-3.0Actively maintained

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Rocket Money+3

A compact self-hosted e-commerce app: single-file Go server, embedded SQLite, Svelte admin UI, Docker support, payments and digital product delivery.

MITActively maintained

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Shopify+6

DePay provides JavaScript widgets and an SDK to accept multi-chain crypto payments directly to wallets, with real-time token conversion and broad wallet support.

MITActively maintained

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Coinbase Commerce+9

Web application to manage CSA/ACP/Solawi operations: members, deliveries, automated billing, online shop and multilingual communications.

Actively maintained

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Barn2Door+19

Web-based membership and contributions management for non-profit associations, handling members, payments, groups, exports and plugins.

GPL-3.0Actively maintained

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WildApricot+9