Time and Billing Software  


T-Bill Open Source Time and Billing Software is designed to handle all of the time and billing needs for Consultants and Service Professionals. It offers the following great features:


  • Runs in Windows 95/98/ME/2000/NT/XP.
  • Easy-to-use data entry screens.
  • You can define an unlimited number of service and expense codes, as well as unique rates for each of your employees, subcontractors and clients, thus allowing you to bill each client and project exactly the way you want to.
  • Recurring transactions make it easy to bill the same expense or service on a weekly, monthly or yearly basis.
  • Clients may have an unlimited number of projects associated with them.
  • Keep track of client retainer or fund accounts and automatically apply funds to their invoices.
  • Customizable invoices and reports, using the included T-Bill Report Writer.
  • Developed in Visual FoxPro, supporting applications may be developed using the T-Bill database.
  • Uses native Visual FoxPro database files (.DBC, .DBF, .CDX, etc).
  • Unlimited e-mail support.


Having the capability to modify the source code offers the following features missing from most other time and billing software programs:

  • Add new fields and tables to the database. There are no restrictions.
  • Visual FoxPro developers can make modifications to the T-Bill source files (.PRG, .SCX, .FRX, etc).
  • T-Bill Open Source is multi-user and runs on your LAN - no expensive client-server software required.
  • There are no per-seat or per-user license fees. One price allows an unlimited number of users!
  • Complete user-access security, allowing you to control who has access to the various program functions.

Is it hard to learn to use T-Bill?

Unlike other Time and Billing programs, T-Bill is very easy to learn. The T-Bill Assistant provides helpful hints right on the screen, and is an effective guide when you are first learning the program. A toolbar makes it easy to select the most common program options. Of course, context sensitive help is always available by simply pressing F1.

When we say "Open Source", exactly what is included?

We include all source code files that were used to develop and compile T-Bill Open Source. This includes the following:
  • All program files (.PRG).
  • All class library files (.VCX/.VCT).
  • All menu source files (.MNT/.MNX/.MPR).
  • All form files (.SCX/.SCT) and class listings of these files.
  • All report files (.FRX/.FRT).
  • All production and prototype database files (.DBC/.DBF/.CDX). Prototype database files are used to facilitate report creation and modification.
  • All graphic files (.ICO/.JPG). You may use these or replace them with your own. T-Bill logo files are proprietary.
  • All help file source and screen-shot graphic files.
  • All end-user and technical documentation.
Where can I learn more about the program?

The Tour of T-Bill gives you a good overview of the program. It only takes about 10 minutes to take the tour. If you like what you see, you should request the free trial download. Plus, you can contact MG Software Systems for answers to any questions that you may have.

How many users does T-Bill Open Source support?

T-Bill Open Source is multi-user, and there are no licensing restrictions with regard to the number of users. Use it for 3, 30 or 300. It costs the same!

Can T-Bill export data to Quickbooks and other accounting systems?

T-Bill includes export functions that can create comma-delimited text files of your invoices, time and expense transactions. These files can easily be manipulated using MS Excel or MS Access, thus allowing you to import them into Quickbooks or another accounting system.

In addition, developers can modify T-Bill Open Source and create their own customized utilities to import and export T-Bill data to any format that you choose. Because there are thousands of different accounting programs on the market, we have chosen not to include any specific import / export utilities. We will provide all information necessary to allow you to write your own utilities. This is a great benefit to you, because your import or export routines will be customized to your specific needs. Most accounting programs contain "one size fits all" utility programs that are too general to be of any real use to anybody. With our help, T-Bill will do exactly what you want it to do!

Why was T-Bill developed?

The idea for T-Bill came in the summer of 1999, at the height of year 2000 concerns about date problems in software. Like all businesses, MG Software Systems tested our programs for Y2K compatibility. We discovered that our existing time and billing program (an application made by one of our competitors), could not accept 21st century dates! We decided at that time to write our own time and billing program. T-Bill is the result of years of testing and refinement, and we are pleased to make it available to you.



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Time and Billing Software by MG Software Systems