GitHub brings together the world’s largest community of developers to discover, share, and build better software. Tried and true market leader for code storage.github.com
Collaborate on code with inline comments and pull requests. Manage and share your Git repositories to build and ship software, as a team. BitBucket is good for teams who have gone all-in on Atlassian products.
From project planning and source code management to CI/CD and monitoring, GitLab is a complete DevOps platform, delivered as a single application. GitLab is up and coming, and especially great for its built-in support for testing and CI/CD.
Target your audience on UserTesting’s diverse panel of users, and get self-guided videos of your customers interacting with your prototype, website, or app—or conduct live interviews.