World's best free and open source ERP
Online Accounting Software
Firefly III: a personal finances manager
Restaurant Management System written in Python using Tkinter
Pythonic tool for running machine-learning/high performance workflows
System dynamics program with additional features for economics
Accounting, invoicing, inventory and payroll software for Linux
FundLink Windows Setup file. FundLink is a cash / fund accounting app
IT inventory: keep track of devices, networks and cables in a database
Free Accounting, Billing and Inventory Software with Bardcodes
Flexible invoicing desktop app with beautiful & customizable templates
simple personal/family bookkeeping app
Application for Personal Finance
An Online ledger and bookkeeping web application
simple and clear personal cash manager with gui
iceB - free and opensource accounting software for Linux and Windows
Simple Linux Desktop program to keep track of costs