Online Accounting Software

Free Open Source ERP CRM Software Accounting Invoicing | Node.Js React

Dolibarr ERP CRM is a modern software package to manage your company or foundation's activity (contacts, suppliers, invoices, orders, stocks, agenda, accounting, ...). it's an open source Web application (written in PHP) designed for businesses of any sizes, foundations and freelancers.

Kimai is the #1 open-source time-tracking application. From freelancers to companies and organisations - everyone can manage timesheets, generate reports, create invoices and so much more... Web-based multi-user application, available as On-Premise or SaaS version: https://www.kimai.org

Free Accounting Software

Ever® Gauzy™ - Open Business Management Platform (ERP/CRM/HRM/ATS/PM) - https://gauzy.co

💵 Independent financial accounting with intelligent reporting, alternative to Quickbooks, Xero, Wave.

A self-hosted open source application for managing your invoices, clients and payments.

Open Source CRM for Startups and enterprises. Django + SvelteKit · Self-hosted · Multi-tenant · Free forever

A Laravel and Filament-powered accounting platform featuring full double-entry accrual accounting, delivering modern automation for professional financial management.

💰 Billing & Payments knowledge for cloud platforms

Open-source Pricing and Billing Infrastructure 🚀 Subscription management, Invoicing, Pricing, Usage-based billing, Cost limiting, Grandfathering, Experiments, Revenue analytics & Actionable insights

Self-hosted invoicing without the bloat.

All in One PSA for MSPs, which Unifies client, contact, vendor, asset, license, domain, ssl certificate, password, documentation, file, network and location management with ticketing and billing capabilities, with a client portal on the side.

Simple and elegant invoicing solution.

Invoicerr is a freelance-focused invoicing app that lets you create quotes, generate invoices, track payments, and collect secure signatures.

Double-entry accounting & ERP for the web

Open source C# e-invoicing library. Enables creating and reading ZUGFeRD invoices.

Invoicing for freelancers & small businesses

Online Invoice Management in Ruby On Rails.