Whether you're between meetings or in line for a latte, use Asana to quickly capture tasks, to-dos, reminders, and ideas. Features tags and subtasks!

The Corkulous idea board gives you an inspired way to collect, organize, and share your ideas. It's a multi-purpose app containing corkboards where you can place notes, labels, photos, contacts, and tasks. Group your ideas visually on one board or spread ideas out across multiple boards.

Keep offers a variety of tools for taking notes, including text, lists, images, and audio.

Notion is a note-taking and collaboration application with markdown support that also integrates tasks, wikis, and databases. The aim is to be an all-in-one workspace for note-taking, project management, and task management.

*I use this for my personal HAK notes.

Get the OneNote app for free on your tablet, phone, and computer, so you can capture your ideas and to-do lists in one place wherever you are.

Padlet is like paper for your screen. Start with an empty page and then put whatever you like on it. Upload a video, record an interview, snap a selfie, write your own text posts or upload some documents, and watch your padlet come to life. Once others add to it, the page will update in real-time.

Quip is a simple place for work teams to create living documents. It combines chat, docs, task lists, and spreadsheets in one app - making collaboration fast and easy. Skip the endless chain of emails, meetings, chats, and document versions by working simpler and faster with Quip.

Trello: 30+ app integrations, access from anywhere, plan with your friends, work offline.