User-friendly interface: SCM-Manager has an intuitive web-based interface that makes it easy to manage and configure repositories, users, and permissions. Flexibility: SCM-Manager supports a wide range of version control systems, including Git, Subversion, and Mercurial. This flexibility allows teams to choose the version control system that works best for them. Extensibility: SCM-Manager is highly extensible, with many plugins and integrations available. This allows teams to customize SCM-Manager to fit their specific needs. Security: SCM-Manager has robust security features, including authentication, authorization, and SSL encryption. This ensures that code and data stored in SCM-Manager are protected. Easy to install and use: SCM-Manager is easy to install and use, with minimal configuration required to get up and to run. This makes it a good choice for teams that need a simple and reliable version control system.

It has easy to installation process with proper documentation for different OS.

I literally have lots of points to mention that I really like best in SCM-Manager. Some of them are -<br>It is lightweight and easy to install, making it a good option for those who want a simple solution for managing their source code without a lot of additional complexity.<br>It can be configured through its web interface, which eliminates the need to hack configuration files.<br>It does not require Apache or a database to be installed, which reduces the number of dependencies and potential points of failure.<br>It provides centralized user, group, and permission management, which simplifies user management and access control.<br>It supports Git, Mercurial, and Subversion out of the box, which provides flexibility in terms of the types of repositories that can be managed.<br>It provides a RESTFul Web Service API and a rich user interface, which makes it easy to integrate with other systems and provides a good user experience.<br>It has a simple plugin API with useful plugins available, which allows it to be extended and customized to suit specific needs.