Free and Open Source Invoicing, Expenses & Time-Tracking
Javascript plugin to create web-based tables & spreadsheets
Technical analysis software
C++ library for creating XLSX files for MS Excel 2007 and above.
Bitcoin Alts portfolio tracker, email / text / alexa / telegram alerts
Membership management software
Two Checkout blesta payment gateway. Implement inline checkout without
stylefmt is a tool that automatically formats stylesheets
Free PHP Codeigniter Expense Manager (management) Script
Full featured financial fixed-income, credit, and bond analytics/risk
Estimate software development effort with 5 different methods