PDFOptim vs UltimaCalc
A side-by-side look at PDFOptim and UltimaCalc. For an in-depth review of either product, follow the links below.
PDFOptim
Office & Productivity
PDFOptim is a free open source software that optimizes PDF files by reducing the file size. It works by analyzing the internal structure of the PDF, removing unnecessary metadata, compressing images and fonts, and performing other size reduction optimizations.
pdfoptimizercompression
UltimaCalc
Office & Productivity
UltimaCalc is a spreadsheet software designed to be a free, open-source alternative to Microsoft Excel. It offers many similar features to Excel including calculations, graphing tools, pivot tables, and support for various file formats.
spreadsheetexcel-alternativeopen-source
Related Comparisons
Mathematica
PDF Compressor
PDF Squeezer
SymPy
Compress PDF (by SmallPDF)
FILEminimizer Desktop