Skedio

Put your todo list on auto pilot. Skedio lets you add all the work that you need to complete for the week and then will schedule it around the meetings, catch ups and other events that you already have in your calendar. With the Skedio extension you can easily add todos from anywhere and re-schedule your day when something unexpected happens - Manage your todo list, add, reprioritize, set tasks to do later, group them, add details - Automatically schedule the work you need to get done around your day - See all your work, the details and mark it as complete directly from your calendar Meet the productivity partner you didn't know existed. Never miss a beat again.

Screenshots from Chrome Web Store