A lightweight, self-hosted personal finance app
An automated tool to fetch data from income tax websites
Free and Open Source Invoicing, Expenses & Time-Tracking
Kimai is a web-based multi-user time-tracking application
Open Source Point of Sale is a web based point of sale application
Investment research for everyone, anywhere
Empower your hosting business with FOSSBilling
Trading bot and framework supporting multiple exchanges
An autonomous agent for deep financial research
Community-driven, multi-agent platform for financial applications
Open Source Metering and Usage Based Billing API
Easy work with virtual wallet
User-friendly and completely free algorithmic trading platform
A high-performance algorithmic trading platform
A simple but powerful self-hosted finance tracker
The free and Open Source productivity suite
Javascript plugin to create web-based tables & spreadsheets
Google Sheets Python API
RPNCalc - The command line Reverse Polish Notation (RPN) Calculator
Accounting & Best Practice Business Administration System
Kraft helps to handle daily quotes and invoices in your small business
Personal and small-business finance manager
Open source ERP and CRM web software for business
Profesionalna integracja z Krajowym Systemem e-Faktur (KSeF)