Open Tax Solver 11.02

An Open Source and free program for calculating Tax Form entries on Linux platforms
Open Tax Solver (OTS) is an open source, easy-to-use and free command-line software written in C and designed to be used for calculating Tax Form entries, refund-due, as well as tax-owed for State or Federal personal income taxes.

Open Tax Solver is packed with many forms, including the ones for Scheds A, B, C, D, L, US 1040, as well as forms for several states. The software lets users to easily compute taxes and edit tax information.

An optional GUI (Graphical User Interface) written in Tcl/Tk and called Otk, is also available on the project’s homepage.

last updated on:
February 13th, 2014, 7:52 GMT
developed by:
Aston Roberts
license type:
GPL (GNU General Public License) 
ROOT \ Office \ Finance


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Open Tax Solver - Optional GUI for OTS. Edit tax info, and compute taxes.
What's New in This Release:
  • A new GUI for OTS was posted for downloading.
  • The new GUI is based on Gtk, which offers an improved look and feel.
  • It is now set as the default user interface in the regular OTS distribution package for Linux and Microsoft users.
  • The older GUI is still included in case there are any problems with the new one.
read full changelog

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