Alternative (Similar) to Azure DevOps Server.
Azure DevOps Server | Microsoft Azure. Share code, track work, and ship software using integrated developer tools, hosted on-premises with Azure DevOps Server
Best Azure DevOps Server Alternatives
Enterprise · A smarter way to work together · GitHub. Whether you’re working solo or leading an enterprise, GitHub has everything you need to build and scale your team’s workflow.
GitHub Enterprise is the on-premises version of GitHub.com. GitHub Enterprise includes the same great set of features as GitHub.com but is packaged for running on your organization's local network.
GitLab for Enterprise - Collaboration made easy | GitLab. Accelerate Enterprise software delivery with GitLab’s DevOps platform, lowering your development costs and streamlining team collaborationGitlab offers four different versions of the self-hosted Revision Control System or Code Management system, starting with a community-supported free version. The paid version has business support from Gitlab and offers features like Issue Boards, Time tracking, GitLab Releases, etc...