There are 3 repositories under jyotish topic.
PHP library for calculations in Vedic astrology
Drawing component for Jyotish Library
A HTML and Javascript based Panchanga utility with jataka kundali for Jyotishas.
Excel SpreadSheet Based Jyotish Calculation Tool
An Excel to help with your Jyotish calculations
swe-jyotisa-lib (beta version)
Astrology npm package for Reha (a Dating App based on Astrology). Can calculate Birth Chart, D9 Chart and provide compatibility info.