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akaunting / akaunting

Star 9.6k

Online Accounting Software

php money finance laravel erp balance invoices accounting crm invoicing payments fintech payroll billing budget laravel-application expenses bookkeeping akaunting

Updated Feb 16, 2026
PHP

idurar / idurar-erp-crm

Star 8.2k

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

ecommerce mongoose erp accounting crm invoicing invoice e-commerce invoicing-application crm-system mern-stack erp-application accounting-software invoicing-software invoice-software crm-platform mern-project open-source-crm erp-software open-source-erp

Updated Aug 16, 2025
JavaScript

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.

mysql php sales erp proposal invoices postgresql accounting agenda crm invoicing stock quotations orders invoice purchase stocks human-resource-managment suppliers hacktoberfest

Updated Feb 23, 2026
PHP

kimai / kimai

Star 4.5k

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

php twig symfony doctrine invoicing self-hosted invoice time-tracker timetracker multilanguage time-tracking timetracking kimai tabler timetrackingapp

Updated Feb 22, 2026
PHP

frappe / books

Star 4.2k

Free Accounting Software

electron javascript open-source vuejs offline accounting desktop invoicing frappe inventory-management hacktoberfest point-of-sale double-entry-accounting book-keeping

Updated Feb 19, 2026
TypeScript

bigcapitalhq / bigcapital

Star 3.5k

Bigcapital is financial accounting with intelligent reporting for faster decision-making, an open-source alternative to Quickbooks, Xero, etc.

inventory accounting financial invoicing payments expenses bills double-entry-accounting

Updated Feb 22, 2026
TypeScript

ever-co / ever-gauzy

Sponsor

Star 3.5k

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

productivity erp invoices accounting issue-tracker crm invoicing hr project-management time-tracker payroll billing expenses team-management salary time-tracking human-resources bookkeeping timetracking crm-platform

Updated Feb 23, 2026
TypeScript

InvoicePlane / InvoicePlane

Star 3k

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

open-source php codeigniter invoices crm invoicing billing invoiceplane

Updated Feb 16, 2026
PHP

MicroPyramid / Django-CRM

Star 2.2k

Open Source CRM based on Django and svektekit

open-source django svelte crm invoicing saas task-manager multitenancy cpq invoice-management lead-management django-crm sveltekit

Updated Feb 20, 2026
Python

andrewdwallo / erpsaas

Sponsor

Star 1.4k

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

finance laravel erp accounting crm invoicing saas fintech plaid filament livewire

Updated Jan 14, 2026
PHP

meteroid-oss / meteroid

Star 964

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

api rust typescript analytics stripe clickhouse invoicing payments self-hosted saas pricing billing plg subscriptions revenue metering modern-data-stack usage-based-billing

Updated Feb 19, 2026
Rust

itflow-org / itflow

Star 900

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.