Final answer:
Trello, Asana, Wrike, and ProjectManager.com are web-based project management tools that can be accessed online without downloads. They facilitate project tracking and collaboration through a browser.
Step-by-step explanation:
Among the options given, Trello, Asana, and Wrike are all well-known project management tools that operate entirely online without the need for any software downloads. ProjectManager.com is also a web-based project management tool that functions online. All these options provide the convenience of being accessible through a web browser, ensuring that collaboration and project tracking can be performed from virtually anywhere without the need to install specific applications on your device.