A pure PHP library for reading and writing spreadsheet files
Free Desktop book-keeping software for small-businesses & freelancers
Free and Open Source Invoicing, Expenses & Time-Tracking
Simple and elegant invoicing solution
Demo Invoicing APP for Veterinarian Medical Office
Yahoo! Finance market data downloader
Open Source Metering and Usage Based Billing API
A basic PHP/MySQL/HTML Billing APP. Meant for developers learning.
This is a library to use with Robinhood Financial App
Google Sheets Python API
Free Bootstrap 4 admin/dashboard template
Data science spreadsheet with Python & SQL
A terminal spreadsheet multitool for discovering and arranging data
Full CSS support for JSX without compromises
A simple forecasting package
Quickly obtain real-time data of the funds of interest
A python wrapper for Alpha Vantage API for financial data.
Fullstack open source Invoicing application made with MongoDB
A billing APP for Equipment Sales/Repair Shops written in MS-Access.
Open Source Integrated Hospital Information Management System
Open Source Openbravo POS convert to Commercial Retail ERP and POS
Free POS Software
CSV Editor with Text-based User Interface (TUI) written in Pure Go
An Invoicing program for Auto Shops written in vba and MS-Access.