Whiteboards with Realtime Collaboration (CryptPad)
Please enable whiteboards with Realtime Collaboration for 1-to-1 and group conversations.
CryptPad includes a Whiteboard. https://git.jami.net/savoirfairelinux/jami-client-qt/-/issues/2134
Perhaps [Xournal++](https://github.com/xournalpp/xournalpp) could be used as part of the solution as it is written in C++ with GTK3, supporting Linux (e.g. Ubuntu, Debian, Arch, SUSE), macOS and Windows 10.

> # Use the whiteboard to collaborate in a Skype for Business meeting
>
> A whiteboard is a blank page that you can use to work together with other meeting participants by being able to type notes, draw, or import images.
>
> When your meeting is over, you can save the whiteboard with the data from the participants’ collaboration.
>
> ## Open a new whiteboard
>
> 1. In the meeting window, click the Present Content button **Present Content** button .
> 2. Click **More**, and then click **Whiteboard**.<br>
> 
> 3. A blank whiteboard opens on the meeting stage on everyone’s screen.<br>
> 
> 4. The annotation tool set opens automatically on the right side of the whiteboard.
> 5. Click any of the tools to annotate on the whiteboard, such as: pointer tool, pen, highlighter, eraser, and so on.
>
> The whiteboard closes automatically if you switch to another presenting option, but will be available if you want to open it later in the meeting. Just click **Present** > **Manage Content** to access the whiteboard again.
>
> ## Use the annotation tools
>
> Use the tools along the side of the whiteboard to visually focus on the page or brainstorm with the participants. Many people can work on the whiteboard at the same time, but each tool can be used only by one person at a time.
>
> 
>
> * **Laser Pointer** A virtual laser pointer. Click and drag the pointer across the page. A blue circle appears in the meeting indicating your name.
> * **Select and Type** Selects an area to type. You can change font, size, and color by clicking the arrow next to the **Select and Type** to open the menu.
> * **Pen** Draws freehand. Click and start writing or drawing in black, or click the down arrow next to the button, and then select another color.
> * **Highlighter** Highlights a specific area of the current slide.
> * **Eraser** Removes specific annotation you choose.
> * **Stamp** Inserts a stamp on the page: Arrow, Check, or X. Choose an option from the menu, then click on the whiteboard to stamp.
> * **Shape** Draws shapes such as lines, arrows and squares. Click the down arrow next to the button to select another shape or color.
> * **Insert Picture** Inserts an image on the slide from your computer.
> * **Delete Selected Annotations** Removes the annotations that you’ve selected.
> * **More Options** Provides options to select the annotation, undo, redo, copy, cut, paste, paste as image, Save As, and Send to [Xournal++](https://github.com/xournalpp/xournalpp).
>
> ## Move or delete drawings
>
> You can select, then move or delete any of the drawings on the whiteboard.
>
> ## Move objects
>
> 1. Click the **Select and Type** button, and then click one or multiple drawings that you want to move. A selection rectangle appears around the selected objects.
> 2. Drag the rectangle to a new position.<br>
> **Note**: For typed text, point to the bar at the top of the text box before you begin dragging it.
>
> ## Delete an object
>
> 1. Click the **Select and Type** button, and then select the drawing that you want to delete.
> 2. Press Delete on your keyboard.
>
> ## Who added or changed content?
>
> To see who added or changed content on the whiteboard, do one of the following:
> * For non-text items on the whiteboard, hold the mouse pointer over the drawing to see “Created by” and “Last modified by” information.
> * For text, point at the text, and then hold the mouse over the solid rectangle that appears above the text when you point at it.
>
> ## Manage your whiteboard
>
> 1. Click the **Present** button, and then click **Manage Content**.
> 2. Click the **Permissions** menu, and then choose who can download the whiteboard to their computer:
> * **Organizer** Only the person who scheduled the meeting can download.
> * **Presenters** Any of the presenters in the meeting can download.
> * **Everyone** Anyone in the meeting can download.
> 3. Click the **More** button, and then choose an option: Save As, Send to OneNote, or Rename.
>
> https://support.office.com/en-us/article/use-the-whiteboard-to-collaborate-in-a-skype-for-business-meeting-bd3d1cad-83b0-4139-bd07-c45ce94c59e0
What do you think?
Thank you
issue