Limnu Alternatives

About Limnu

Limnu is for what a real whiteboard is for: sketching your ideas with other people quickly.

What are the top Limnu Alternatives?

Check out this list of the best Limnu alternatives. Compare the top features, pricing, pros & cons and user ratings to suit your needs.

#1 Alternative

About Groupboard

Groupboard is the most advanced collaborative online whiteboard and web conferencing software.

  • It works on any web browser including iPhone, iPad, Chromebooks and Android with no downloads or plugins required.
  • All of our products are available in fully hosted "cloud" solutions, as well as self-hosted versions that you can install on your own server.
  • We can also develop customized versions of any of our applications, and we can provide bespoke managed, hosted services.


1. Free

  • Price: $0
  • Duration: Forever
  • User(s): 5

2. Groupboard Designer

  • Price: $19.99
  • Duration: 1 month
  • User(s): 15

3. Groupworld

  • Price: $24.99
  • Duration: 1 month
  • User(s): 50

3. Enterprise License

  • Price: $499
  • Duration: Forever
  • User(s): 25 simultaneous users across unlimited whiteboards

You can check further details for pricing at this link

#2 Alternative
Free version
Premium Offering

About IDroo

With iDroo whiteboard you can spice up presentations, hold brainstorming sessions and collaborate on projects.

Endless canvas

The digital paper we use, is infinite in all directions. You will never run out of space to work on. The pens have infinite ink too, to compensate.

Lots of tools

Freehand and straight lines, rectangles and squares, circles and ellipses, textbox and formula.

Smooth lines

Draw and sketch your ideas with Freehand tool. Pen tablets or touch screens make drawing easier but are not required. With IDroo, your lines are smooth even with a janky mouse.

Images and documents

Upload documents to work with, images to illustrate your ideas. Supported formats include JPG, PNG, GIF, PDF, DOCx, XLSx, PPTx, PAGES, RTF, and many more.

Equation tool

You can use our simple yet professional equation editor to type math and physics formulas. Use the toolbar, or TeX-like commands such as \sum, \sqrt, \alpha, \N, etc.

Simple to share

Just share the board URL with others and you'll be able to collaborate instantly.

Real-time experience

Every stroke you draw, each letter you type, is instantly visible to participants, worldwide.

Chat, voice and video

Every board has integrated text chat. Paid plans also have a voice and video calling function.

Lock to background

Objects can be locked to background to protect them from moving around or deleting by accident.


Your boards are automatically saved. You won't lose any content when you close the browser, or your device chooses to crash.

Access management

Control who has access to the board, and to what level. You can choose between Edit, View or No access.

#3 Alternative

About IPEVO Annotator

Maximize your creativity and fully utilize the potential of your interactive whiteboard by using IPEVO Annotator.

IPEVO Annotator is an interactive whiteboard software designed to help educational institutions draw and annotate on images projected on a screen using various tools, such as spotlight, magnifying lens, ruler, protractor and scissors. It’s packed full of annotation tools that allow you to draw and annotate freely on images projected onto the screen

Drawing Mode

  • In Drawing Mode, you can draw or annotate on your onscreen material.

Whiteboard Mode

  • Pull out a blank “whiteboard” for drawing or annotating. Under Whiteboard Mode, you can also delete/add new boards, import images or export “whiteboards” as jpeg or pdf.

Pen Tool

  • Pen tools allow you to draw or annotate on the projected image. Different colors, thicknesses and effects are available.

Basic Shapes

  • Draw basic shapes such as rectangles or ovals. You can then drag the edges of these shapes to change their sizes, areas or angles easily.


  • Use the available stamps or create and import customized stamps for stamping on your onscreen material.


  • Eraser allows selective erasing of drawings or annotations.


  • Using this allows you to control other desktop applications while your annotations still appear on the screen.

Advanced Tools

  • Use advanced tools such as Ruler, Protractor, Scissors, Spotlight and Magnifying Lens to measure lines or angles, duplicate selected annotations for use on your screen or “whiteboard”, highlight important sections on the screen, or zoom in on areas of interest on the screen and more.


  • Steps one step backward in your annotation changes.


  • Steps one step forward in your annotation changes.


  • Use Trash to clear all drawings and annotations at once.

Multi-Pen Mode

  • In Multi-Pen Mode, two users can work simultaneously on the projected surface.


  • Take a snapshot of the entire screen or part of the screen.

Video Recording

  • Record your onscreen activities. You can choose to record a selected area of the screen or the entire screen.

Live Broadcast

  • With Live Broadcast, you can broadcast your computer screen in real-time through broadcasting services and share it with anyone you want.


IPEVO Whiteboard is free to download and use.

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