frappe
Free and Open Source Enterprise Resource Planning (ERP)
akaunting
Online Accounting Software
idurar
Free Open Source ERP CRM Software Accounting Invoicing | Node Js React
ledger
Double-entry accounting system with a command-line reporting interface
ever-co
Ever® Gauzy™ - Open Business Management Platform (ERP/CRM/HRM/ATS/PM) - https://gauzy.co
itflow-org
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.
poowf
An Open Sourced Invoice System developed for anyone who needs to generate out an invoice and manage clients