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    Inventory of ICT tools

Inventory of ICT tools and open educational resources

Welcome to the inventory of freely available online tools and open educational resources for language teaching and learning developed by the ICT-REV project! The inventory contains a list of tools that have been evaluated with specific criteria in mind. Read more
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This tool was developed within the framework of a cooperation agreement between the European Centre for Modern Languages and the European Commission


Principal function(s): Marking and feedback

Kaizena is a feedback-giving and marking add-on extension to Google Docs. It allows users to add voice or text comments, and also create and share rubrics and lessons. Evaluation: Kaizena is an efficient tool for providing feedback and corrections for learners. It helps educators reduce the time needed to evaluate students’ work by embedding comments as voice and text messages or explanatory videos. It also allows educators to save and reuse not only comments but also whole lessons, and thus to avoid repeating themselves. The tool also provides many lessons for common mistakes that educators can include in student feedback. The free version can only be used as an extension to Google Docs. The premium version can be used with Google Slides. The free version is limited to use with Google Docs, but the premium version also includes use with Google Slides.

Cost: Free + premium options available

Website: https://www.kaizena.com/



Type Of Interaction

  • Presenting (e.g. lecturing, storytelling)


  • Listening


  • You supply


Interface User-friendliness/complexity of the tool´s interface

Intuitive, easy-to-use

Time efficiency Time needed for mastering the „how-to“ of the tool and a production of a task


Interface language(s) The number of languages in which the tool is currently available/adaptable to


Respect for privacy Does the tool require registration? Who can see my data? Can I remain anonymous?

Medium. Kaizena collects user data and shares it with third parties. See more here.

Saving work for future use Possiblity to save your or others´ work for reuse/reproduction

Yes, comments on Kaizena are saved.

Tailorability (If so, how?) Possibility of the tool to be used for a range of different activities (e.g. to what extent you can organize a project assignment with a central activity based on this tool)

Substantial tailorability. Users can comment, add lessons and more according to many features.





Technical requirements

Installation required?

Kaizena is mainly used as an add-on to Google Docs or Google Slides, and thus requires installation as a browser extension. A user account is needed.

Compatibility/ Operating System

iOS, Android.

Other technical requirements

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Filter these tools

Principal Functions
Type Of Interaction
Group/pair work - classmates
Group/pair work - outsiders
Individual work
Presenting (e.g. lecturing, storytelling)


You supply
Website/other users supply


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