Teams where I work can use Claude Code, Codex, Cursor, and Copilot CLI. Internally, it seems like Claude Code and Codex are the more popular tools being used by most software teams.
If you’re new to these tools, I highly recommend trying to build something with them during your free time. This space has evolved rapidly the past few months. Anthropic is offering a special spring break promotion where you can double the limits on weeknights and weekends for any of its subscription plans until the end of March.