Best open-source alternatives to QuickBooks

ERPNext is an open-source enterprise resource planning system designed to help businesses manage a wide range of operational workflows from a single platform. The README presents it as a broad business application for handling financial records, stock, personnel-related operations, manufacturing processes, assets, and project execution. It is aimed at organizations that want an integrated system rather than separate tools for each department. The project can be deployed through Docker or set up locally with the Frappe framework and bench tooling, and it relies on the Frappe ecosystem for core application capabilities such as authentication and a REST API.

InvoicePlane is a self-hosted web application intended for individuals or organizations that need to manage invoicing and related billing workflows on their own infrastructure. It centers on creating and sending invoices and quotes, while also keeping client records, products, projects, tasks, and payment activity organized in one place. The project is presented as a libre, MIT-licensed application that can be deployed either via Docker for local development/testing or by uploading the release files to a web server for production use. It supports configuration through environment variables or an `ipconfig.php` file, and the documentation points users to detailed installation, upgrade, and deployment guides for running and maintaining the system.

Dolibarr is an open-source ERP and CRM suite aimed at small, medium, and large organizations, as well as foundations and freelancers. It provides a broad set of modules for sales, purchasing, inventory, accounting, collaboration, and human resources, with the ability to enable only the components a given deployment needs. The project is designed to run as a web application on a standard PHP stack, and it can also be used as a standalone application. It supports deployment through packaged distributions, a manual installation flow, Docker images, and hosted cloud offerings. The README also highlights community and commercial support options, making it suitable for organizations that want either self-hosted control or assisted deployment.

InvoiceShelf is a self-hosted invoicing web application aimed at freelancers and small businesses that want to manage billing and finances while keeping control of their own data. It centers on a focused workflow for creating invoices and estimates, tracking customer balances, and handling day-to-day business records from one place. The project supports practical back-office tasks such as payment recording, expense and tax tracking, recurring invoices, and customer access through a portal for invoices, estimates, and payment history. It also supports managing multiple companies and inviting team members with scoped roles, and it offers optional modules for specialized capabilities without adding unnecessary complexity to the core application. Users can install it as a downloaded release or deploy it with Docker, and the README points to extensive documentation, a live demo, and API reference material.

LedgerSMB is a web-based accounting and ERP system aimed at small and medium-sized businesses. It provides double-entry accounting along with operational features such as quotations, ordering, invoicing, projects, timecards, inventory management, and shipping, making it suitable for organizations that need both bookkeeping and light business process management in one application. The project stores data in PostgreSQL and is accessed through a browser-based user interface, with built-in email functions for sending orders, invoices, and RFQs with PDF attachments. It supports customizable customer-facing output templates and multiple output formats including PDF, CSV, HTML, and ODF. The README also notes that it can be evaluated via Docker Compose and that production deployments should include a web server such as nginx or Apache.

SolidInvoice is an open-source invoicing platform aimed at small businesses and freelancers who need to manage everyday billing tasks. It provides a web-based interface for handling clients, contacts, quotes, invoices, taxes, discounts, and payment collection. The project also exposes a RESTful API for integration with other systems and supports notifications through channels such as email, text messages, and HipChat. It can be installed via Docker, from an archived release package, or directly from source for developers and production deployments.

Bigcapital is an open-source accounting and inventory platform aimed at small and medium businesses. It is presented as a smart finance tool that helps users keep business finances organized, automate accounting processes, and produce financial statements and reports for decision-making. The project supports self-hosted deployment on the user’s own servers via Docker, and it also offers a cloud service. The README highlights an API for integrating Bigcapital with other systems to manage transactions in a double-entry accounting flow. It appears intended for businesses or teams that need bookkeeping, inventory tracking, and reporting in one application.

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