Google Docs
- Description and Overview
Google Docs is a free-to-use cloud-based Microsoft Office word processing alternative. Use Google Docs to write, edit, and collaborate online. Google Docs syncs with your Google account and integrates seamlessly with Google Drive and other products of G Suite. Version history is available, along with user access permission controls, extensive accessibility features, and options to save files as PDF and many other file formats.
- Great for
- Word processing
- Collaboration and editing anytime, anywhere, on multiple devices
Microsoft Word and Excel are included in the cloud-based word processing version of Office – Office 365. This package delivers the most productive and most secure Office experience, with the lowest total cost of ownership for deployment and management.
Trello is a tool allowing users to organize and manage almost anything Kanban-style with the use of a board, lists, and cards (think of it like a visual/interactive file drawer organization system). For education purposes, users have the ability to collaborate, share documents seamlessly, assign steps in a process with due dates attached and see student progress in real time.
YouTube is a popular video hosting site. For video viewers, there is tons of content to peruse, much of legal and free to show in the classroom. For video creators, content can be hosted on a free YouTube channel, and basic video editing tools are available. 
Zotero is a free citation management software that allows the user to collect, organize, cite, and share research.