Office and collaboration

Dropbox provides cloud file synchronisation, sharing and related content tools.

Slack is a team messaging and collaboration service organised around workspaces and channels.

Local knowledge management and linked notes

Notes, documents and personal organization

Collaborative documents and team workflows, marketed as Superhuman Docs

Email, calendars and contact management

Business email hosting with calendar and collaboration tools.

Business productivity and collaboration applications

Project organization and team collaboration

Documents, notes and shared workspaces

Handwritten notes, documents, and study tools

Digital notebooks, handwritten notes, and collaboration

Encrypted notes and organized personal writing

Open-source notebooks and document organization

Personal task planning and project organization

Task management for projects and complex personal workflows

Video meetings and online conferencing

Screen recording and asynchronous video communication

Gmail is Google's email service.

Outlook is Microsoft's email and calendar service.

Google Drive is Google's cloud file storage and sharing service.

Microsoft 365 brings together Microsoft's productivity applications and related document services.

Zoom provides video meeting and related communication tools.

Google Workspace combines business and collaboration products such as Gmail, Drive, Docs, Sheets, Slides, Meet, and Calendar.

Notion provides a workspace for notes, documents and shared information.

Box manages files and business content with internal and external collaboration, workflow automation, and AI tools.

DocuSign provides electronic-signature and agreement-management products.

Asana is a work management service for organising projects and team tasks.

Trello organizes work through boards and to-dos, alongside an Inbox for capturing incoming items and a Planner for scheduling attention.

Airtable combines collaborative tables with tools for organising information and workflows.

ClickUp provides a workspace for tasks, projects and related team information.

Miro is a visual collaboration workspace for research, roadmaps, diagrams, and workshops.

Calendly manages the work around meetings, starting with scheduling and extending to preparation, recaps, payments, and follow-up.

Todoist provides task and to-do list tools through its official website and apps.

Proton Mail is an email service centered on encrypted storage and private communication.