GitLab Inc. - Class A Common Stock (GTLB)

Competitors to GitLab Inc. - Class A Common Stock (GTLB)

Azure DevOps (also owned by Microsoft) 

Azure DevOps, another offering from Microsoft, provides a suite of development tools including Git repositories, CI/CD services, and project management tools. Its integration with Azure cloud services allows for seamless deployment and management of applications, making it a compelling choice for businesses embracing cloud infrastructure. While GitLab markets itself as a comprehensive, streamlined DevOps platform, Azure DevOps leverages Microsoft's ecosystem, making it a more attractive option for organizations already working within that framework. Both platforms offer rich functionalities, but Azure's cloud-first approach gives it a significant strategic advantage.

Bitbucket (owned by Atlassian)

Bitbucket competes with GitLab by providing Git repository management, built-in CI/CD, and collaboration tools, particularly appealing to teams already using Atlassian products like Jira and Confluence. Offering a free tier for small teams and robust features for larger enterprises, Bitbucket focuses on integration within the Atlassian suite, making it a go-to for organizations already invested in this ecosystem. GitLab, while also offering integration capabilities, attempts to differentiate itself through a strong emphasis on a single application for the complete DevOps lifecycle, thus competing on the grounds of integrated functionality.

GitBucket

GitBucket is an open-source Git platform that provides repository hosting and management features. It primarily competes with GitLab by offering a simpler, self-hosted solution focused on smaller teams and projects. While it does provide some collaborative features, it lacks the depth and integrated DevOps functionalities that GitLab offers. GitLab stands out with its extensive feature set that supports developers throughout the entire software development lifecycle, thus granting it a significant competitive advantage in the enterprise and professional sectors.

GitHub (owned by Microsoft) 

GitHub is a direct competitor to GitLab, offering a platform for version control and collaboration primarily for software development. GitHub has a large, established user base and integrates deeply with Microsoft's ecosystem, making it a preferred choice for many organizations, especially those already using Microsoft products. GitHub’s Marketplace also attracts a plethora of third-party tools and services, giving it an edge in functionality and integrations. GitLab aims to compete by offering a more comprehensive DevOps platform that covers the entire software development lifecycle, but GitHub's extensive community and user engagement pose significant competition.

SourceForge

SourceForge is a long-standing platform for open source development, providing tools for managing projects and repositories. While it doesn't compete directly with GitLab in terms of feature set, it captures a niche part of the developer community that prefers open-source projects. GitLab competes by offering a more comprehensive solution for modern development practices and enterprise-level features, including integrated CI/CD, project management, and security features, which SourceForge lacks. GitLab has positioned itself firmly in the enterprise space, giving it a competitive edge in that domain.