Kami

Kami is a new age annotation and markup tool that comes in the form of a Google Chrome extension and packs very useful collaboration and sharing features.

Also noteworthy is the fact that Kami can smoothly integrate with both Google Drive and Google Classroom, and it can work with local documents, as well.

It becomes quite clear that this Chrome extension is aimed at every user who wants to work with others on documents in real time, but more specifically, for teachers and students.

It's easy to install, easy to get started with (as expected, it requires your Google account credentials) and, thanks to its modern-looking and clear-cut UI, even the most inexperienced users shouldn't have any type of problems getting accustomed to its main features.

Since we've mentioned that it integrates with two of Google's most useful services, it goes without saying that it is perfectly capable of handling all their respective formats. It comes with support for PDF documents, Microsoft Office-specific files, as well as some of the most popular image formats out there such as RTF, JPG, JPEG, PNG, and GIF.

It packs a set of intuitive features neatly stacked within a left-sided toolbar. You can add text, as well as add various highlight, underline and strikethrough effects, add comments or even voice annotations, insert shapes, images, and e-signatures, as well as freely add drawings to your documents.

Having said that, by now, it should be quite clear that this a very well thought-out Chrome extension.

For starters, it neatly integrates with Chrome and with two of Google's most useful services. It's also easy to work with, and it bundles handy live collaboration features. Last but not least, the extension is FERPA, COPPA, and SOPIPA compliant.