KhadashPay is my attempt to build a payment system from scratch.
C++ library for creating XLSX files for MS Excel 2007 and above.
Company administration manager
DataFrame server for financial timeseries data
Converts simple lists of lots and sales into a TXF file
Library Advanced Financial Mathematics GCC (C++)
Creates and Maintains a MySQL Database of the IRS Business Master File
lawyer office suite
Metatrader API Bridge
A framework agnostic, multi-gateway payment processing library
A javascript library for handling currencies
Personal Finance and Accounting
Desktop and mobile solution for invoicing
Escribir facturas - simple y fácil
Creates a CSV file for importing into waveaccounting.com
Accounting Journal and Ledger and Balance Sheet
Rental Tracking and Accounting System
A super simple way to create & send invoices, receive payments online
A list of online resources for quantitative modeling, trading, etc.
Project Portfolio Management
jGnash Personal Finance
FreelancerBooks -Project Management for Freelancers and Agencies
FIDO strong authentication, encryption, digital signature engine