Gitrec is described as 'Get repository recommendations on Github'. There are six alternatives to Gitrec for a variety of platforms, including Online / Web-based, Mac, Windows, Linux and Android. The best alternative is GitHub, which is free. Other great apps like Gitrec are Radicle (Free, Open Source), gazer (Free, Open Source), GitHuman (Free) and GitHub Similar Repositories (Free).
GitHub is a web-based hosting service for projects that use the Git revision control system. It is written in Ruby on Rails by Logical Awesome developers Chris Wanstrath, PJ Hyett, and Tom Preston-Werner.
Radicle is a developer stack and peer-to-peer network for creating open source software together. This project is still in alpha. You may find the documentation lacking, or encounter bugs and features missing. Please be patient and we welcome submissions!
This project aims to analyze followers base of a GitHub repository and suggest related projects. It is using information about shared number of stars to calculate similarity index between two projects.