There are 2 repositories under bookmakers topic.
Sports betting assistant (with interface) which optimizes earnings regarding odds and offers
A package containing the essential math required for sports betting and gambling.
Gambling Odds To Outcome probabilities Conversion (goto_conversion)
Historical data of bookmaker odds for some of the major soccer European leagues.
System of applications for bookmaker's office
R script to modelize a tennis match with Markov chains (games, tie-breaks, sets, match)
An SDK for The Odds API
blockchain gambling: proof of concept
New version of the server for my fake betting web-app, built with Nest.js