Check out a toolset for Excel data management without the main client of MS Office Excel installed on your Mac. Work with the options for generating spreadsheets according to your specification, adding data, configuring equations and strings, etc. Additionally, process existing documents.
LibXL reads and writes Excel files (xls) without Microsoft Excel. It works with large sheets and has a high performance: 2 100 000 cells per second for writing numbers and 240 000 cells per second for writing 8-character random strings (CPU 3.2 GHz). Supports cell's formatting: alignments, borders, colors, fill patterns, fonts etc.