If you want a tool that combines task management, calendar scheduling and journaling, there are some good options. Brill is an AI-based to-do list system designed to help you and your colleagues get more done. It can suggest tasks based on your priorities, optimize your calendar and use AI to search for what you need. It's geared for people who want to get more out of their work, like businesspeople and entrepreneurs with multiple projects.
Taskade offers a similar all-purpose workspace for tasks, research and collaboration. It's got customizable AI agents, real-time collaboration tools and project assistants to help you get more done. It can create to-do lists, flowcharts and mind maps, too, so it's good for individuals and teams.
Last, SkedPal is a smart calendar app that can help you prioritize your tasks and your time. It'll automatically schedule time blocks based on your priorities and commitments, and reschedule accordingly. SkedPal can link to Google, Office 365 and iCloud calendars, so it's a good tool for people with complicated lives, like freelancers and executives.