slack.com
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Slack is a team collaboration platform that centralizes messaging, file sharing, and app integrations in channels and direct messages, with voice/video calls. The site provides product information, pricing, case studies, tutorials, and support resources to learn about collaboration tools.
More resources on Collaboration Tools
Miro
Online whiteboard for visual collaboration; free tier praised in productivity threads
Notion
All-in-one workspace for notes, tasks, wikis; highly upvoted for soft skills collab
Best Free Collaboration Tools for Remote Teams
Reddit-recommended tools demoed in 2025 update
Top 10 Collaboration Tools for 2025
Overview of best free and paid tools like Notion, Slack, Miro from practitioner recs
Teamwork Skills: Communicating Effectively in Groups
Recently revised and updated! Effective teamwork and group communication are essential for your professional and personal success. In this course you will learn to: make better decisions, be more creative and innovative, manage conflict and work with difficult group members, negotiate for preferred outcomes, improve group communication in virtual environments, develop a better overall understanding of human interaction, and work more effectively as a team. Our goal is to help you understand these important dynamics of group communication and learn how to put them into practice to improve your overall teamwork.
GitHub Skills
Free interactive courses on GitHub collaboration