Download OpenTaxSolver

OTS for the (current) 2024 Tax-Year:

Each package contains US 1040 Fed taxes, Scheds 1-3, A-D, and forms 6251, 8949, & 8889 updated for the 2024 tax-year. It also includes updated State-Tax versions for OH, NC, NJ, NY, VA, PA, MA, AZ, CA, AZ, MI, OR, and several additional Forms. Each package includes pre-compiled executables for the given platform, as well as source-code and build-scripts in case re-compiling is ever needed.

	For Linux - March 15, 2025     OpenTaxSolver2024_22.06_linux64.tgz   (18.1-MB)                   [sha1sum=075496a6ca4428445ecbecf7312bc41e0660bc26]     - Package is a gzip'd tar-file. To unpack,             tar xfz OpenTaxSolver2024_22.06_linux64.tgz     - Unpacks into a directory of similar name.     - Start by double-clicking or running:   ./Run_taxsolve_GUI .
	For Chromebooks - March 15, 2025     OpenTaxSolver2024_22.06_linux64.tgz   (18.1-MB)                 [sha1sum=075496a6ca4428445ecbecf7312bc41e0660bc26] - See Instructions for running OTS on Chromebooks.
	For MS-Windows - March 15, 2025 - Same as above, but for MS-Windows: In Zip package ...     OpenTaxSolver2024_22.06_mswin.zip   (36.0-MB)               [sha1sum=9c07c9c15442134e8004ff2a5615dec56be0bf2f] Or in 7zip: OpenTaxSolver2024_22.06_mswin.7z   (26.0-MB)               [sha1sum=c2f7213d728fff9975bc95f3b15a31e04fb63934]         (For older PC's running 32-bit XP, Windows-7, etc.:             OpenTaxSolver2024_22.06_mswin32.zip   (23.3-MB)                     [sha1sum=26ab39b954b4b1e68c456435e4e8f259cfc94be1]                   OpenTaxSolver2024_22.06_mswin32.7z   (20.4-MB)                     [sha1sum=4763e4e50d7bacf5d15416dd959ffed432cb333d]             The mswin32 version does not support the newer GUI features.           ) - Contains compiled binary executables for MS-Windows PCs, with source-code. - Start by double-clicking:   Run_taxsolve_GUI       (This just invokes bin\ots_gui2.) .
	For Apple Mac-OSx - March 15, 2025 - Same as above, but for Apple Macs:     OpenTaxSolver2024_22.06_MacOSx.tgz   (22.5-MB)                   [sha1sum=bde1e2d3cedf2376f107f535816a389a2eadcc45] - Double-click on package to unpack. Navigate to top directory inside. - First time after unpacking, you need to set the files as trusted       by holding your Control-key down while double-clicking on the       file :     MacSetup.command                         (See: Instructions for Running on Macs.) - Start OTS by clicking:   Run_taxsolve_GUI

• v22.06 (3/15/2025) - Changed formatting of Fed-1040, and related Federal Forms
        to Round-to-Whole dollars. (To revert to showing cents on PDF Forms, just
        edit src/formdata/f1040_meta.dat, to delete line 8 (round_to_whole_numbers)
        with text editor. Or comment it out by placing exclamation mark in front of it.)
        Added ability to fill-in PIN numbers in Fed-1040. Added ability to check
        request for Health info on the CA-540 PDF Form. Updated the Form 8829
        template. Added initial version of Oregon State tax program.
• v22.05 (3/6/2025) - Promoted the new MI State form to front GUI panel.
        Fixed the new MI State form line 34. In OH State form's optional
        information section, added second address line, and county-code.
        In AZ State form, now sets line 29a limit according to the number
        of tax-payers. Removed quotes around Dependent names in Form-1040
        output to ease parsing in new form programs using 1040 output.
• v22.04 (2/28/2025) - The PDF fill-out program can now suppress
        negative signs for form-lines enclosed in parenthesis, which
        are expected to be negative (by accounting notation).
        As for example on Schedule-D, lines 14 and 21.
        Added Fed-1040 Sched-D lines 1a and 8a, for those who receive
        Forms 1099-B on some transactions.
• v22.03 (2/14/2025) - Fixed stray comma in Fed 1040 and 2210 tax-table.
        Added click-able instructions for forms 8602, 8812, 8895, 8959, and 8960.
        Added option in GUI to set a custom save-directory instead of the default.
        Invoke ots_gui with command-line option '-help' to see the option(s).
• v22.02 (2/6/2025) - Added initial preliminary version of Michigan State form (Under Other).
        Added options for enlarging GUI for Hi-DPI screens.
          (Run_taxsolve_GUI with '-large' option.     These new GUI features are
            not supported on Macs or 32-bit versions of MS-Windows (XP, W7). )
        Added entries on Fed-1040 to enter Direct Deposit information for Refunds.
• v22.01 (1/31/2025) - Added the NY State PDF form.
        Updated Federal Form-2210, and CA-540 State programs.
• v22.00 (1/27/2025) - Initial release for Tax-Year 2024.
        Includes updates for many of the run-able forms.
        For NY State, the tax-program has been updated, but the PDF-Form has not
        yet been released by Dept of Taxes.
        Please check back for updates.

For increased security, you can authenticate the contents of your downloaded package by checking the sha1sum. (A convenient GUI for checking your sha1sum on all platforms is GtkHash.)

You can provide feedback on any issues or bugs, by emailing to aston_roberts@yahoo.com. Please include in your message: the version of OTS, your Operating System (OS), which Form(s), and how you are using OTS (by GUI or command-line). And check back here periodically for updates.

Prior Year's Versions

  .   .   .   OpenTaxSolver Development Project   .   .   .