Astrometry.net -- automatic recognition of astronomical images

Arduino telescope goto for equatorial and alt/az mounts

INDIGO is a system of standards and frameworks for multiplatform and distributed astronomy software development designed to scale with your needs.

Essential Routines for Fundamental Astronomy. Maintainers: @eteq @mhvk @sergiopasra

Compare libraries providing J2000 to JNow for astrometry

Matrix Multiplication on a Cluster using Pilot Library