Description: StarCalc is a free, open-source spreadsheet program similar to Microsoft Excel. It has many of the core spreadsheet features like formulas, charts, pivot tables, and data analysis tools. StarCalc is lightweight, customizable, and available on Windows, Mac, and Linux.
Type: software
Pricing: Open Source
Description: WorldWide Telescope is a free, open-source planetarium software program developed by Microsoft Research that allows users to explore and view the night sky in 3D. It provides a visualization of the universe using images from telescopes and spacecraft combined with terrain and other datasets.
Type: software
Pricing: Open Source