Trello is a project management tool that uses Kanban boards to help you organize your tasks visually. It has numerous advanced tricks, including keyboard shortcuts, copying and pasting multiple items, formatting text with Markdown, exporting to Excel, cloning boards, and enabling power-ups such as Calendar, Card Aging, and Voting. Asana is another project management tool focused on traditional projects and to-do lists, offering features like email tasks, adding tasks while browsing the web, tracking time, advanced search, shifting multiple deadlines, and assigning tasks to multiple projects. Evernote is a digital notebook app that can be used for collecting thoughts, pictures, audio, videos, and webpages across devices, with features like browsing by location, making a table of contents, merging notes, formatting text, and digitizing business cards. Todoist is a task management tool that offers features like viewing karma, turning on vacation mode, quickly assigning priority, changing the theme, creating uncompleteable tasks, and typing due dates. Slack is a chat app with numerous hidden features, including keyboard shortcuts, using bundles, showing bundles at specific times, creating personalized bundles, swiping right to mark messages as done, pinning messages, and sending in-line photos. Google Inbox is an email app that offers features like using bundles, sweeping the inbox, snoozing emails, setting reminders, and sending in-line photos.