Stellarium: This is the gold standard for free planetarium software. It offers a realistic 3D sky, telescope control, and a massive database. It is available for Windows, macOS, and Linux.
If you need high-precision digital data similar to SkyMap Pro: Stellarium (Desktop) skymap pro 12 free
Try the free SkyMap Pro 12 today to see if it fits your stargazing needs — upgrade later only if you need advanced control or catalogs. Stellarium: This is the gold standard for free