Automate your development process quickly, safely, and at scale.circleci.com
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.
Hotjar is a behavior analytics company that analyses website use, providing feedback through tools such as heatmaps, session recordings, and surveys.
Development teams are using feature management as a best practice to separate code deployments from feature releases and control their feature lifecycles. LaunchDarkly is a simple offering specifically targeted at feature flagging; no free tier.