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OTS is a safe, secure, easy-to-use program for calculating Tax Return Form entries, and determining your tax-owed or refund-due, for Federal or State personal income taxes. Includes updated versions for US 1040, Schedules A, B, C, D, and for several states. OTS provides both graphical and textual interfaces for quickly filing out your tax forms.
--- Best way to download the correct version for your platform -- go to the OTS WEBSITE:
=====> https://opentaxsolver.sourceforge.net/
Features
- Graphical Interface, or Textual
- Straightforward - complete your tax returns quickly
- Safe / Secure - Runs directly on your PC - no web connections or cloaked software.
- Directly fills-out Tax Forms for printing
Project Samples
License
GNU General Public License version 2.0 (GPLv2)Other Useful Business Software
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User Reviews
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Horrid layout. Entry boxes cover text. In 'large' or 'dark' mode, file search box comes up blank and proceeds to get wider and wider. Decided that going with paper entry is easier than using this turkey.
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For 2025 tax year, it is missing a SS worksheet section of 4 worksheets for lump sum distributions received in 2025 for previous years - The worksheet calculates an alternative (lower) income to report on 1040SR line 6b and has a checkbox on 6c to indicated it comes from the worksheet. If you are on SS, check out the actual federal forms and worksheets to see if you may be able to use the lower taxable SS figure.
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Good overall but need a little better support.
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simple Q&A design (fill in blanks, atypical from std forms) does NOT have all states, just 6 - 7 or so. ok for just federal 1040, but limited to certain forms, good for starter taxpayers, say, teens and older folks (NOT for business) great for initial double-check on 1040 though
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Great help with my taxes! UI not there enough that I'd say it was easy starting from 0. What I had to do is look at my taxes from last year (done by H&R Block) and figure out everywhere in Open Tax Solver that I needed to have data filled in. Using this method I was able to get my taxes prepared easily enough. Also missing 'Form 8995 Qualified Business Income Deduction Simplified Computation' which I needed.
