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Mindomo is an online collaborative mind mapping, concept mapping and outlining software for visualizing and organizing information. As a freemium software, Mindomo offers its basic services for free, while charging for premium features. The free version has a three mind map limit, and disables premium features like audio/video upload, PDF, PowerPoint and Excel download, password protection. 

The Visual Understanding Environment or VUE is a free, open source concept mapping application written in Java. The application is developed by the Academic Technology group at Tufts University. VUE is licensed under the Educational Community License. VUE 3.0, the latest release, was funded under a grant from the Andrew W. Mellon Foundation.


Free mind is mind mapping tool written in java it is licenced under GNU it allows the user to edit a hierarchical set of ideas around central concept. It exports HYPERTEXT TO html. It has the feature to export image to PNG and OPEN DOCUMENT and many more features it show. 



 Stellarium is a free open source planetarium for your computer. It shows a realistic sky in 3D, just like what you see with the naked eye, binoculars or a telescope. It is being used in planetarium projectors. Just set your coordinates and go


The ePathshala, a joint initiative of Ministry of Human Resource Development (MHRD), Govt. of India and National Council of Educational Research and Training (NCERT) has been developed for showcasing and disseminating all educational e-resources including textbooks, audio, video, periodicals, and a variety of other digital resources.


  • Graphics, algebra and tables which are connected and fully dynamic.
  • Easy-to-use interface which students can easily connect with.
  • Tools to create interactive learning materials, graph.
  • Free and open source software.
  • Has easy to use features like drag & drop, perspectives & accessibility, data analysis,pic chart, histogram, probability calculator,function inspector.
  • Inequalities and implicit equations.
  • Text tool, equation displaying, Filling options with hatching and images etc.which enables the pupils to access geometrical, graphical and statistical ideas dynamically and so to make connections in their learning.

Graph 4.4Download

Graph is an open source application used to draw mathematical graphs in a coordinate system. Anyone who wants to draw graphs of functions will find this program useful. The program makes it very easy to visualize a function and paste it into another program. It is also possible to do some mathematical calculations on the functions.


Graph functions, plot tables of data, evaluate equations, explore transformations, and much more – for free! Make your graphs more dynamic with sliders. Now with animations! From pre-algebra to statistics, tables are your most loyal ally in the battle to organize and visualize your data.


It is a free geometry software for digital school boards where there is no need for chalk, protractor, rule, or triangle. with the help of this freeware, Maths teachers can easily demonstrate the solution to various mathematical problems. it offers a variety of tools to teach in a digital inbuilt tools such as compass, ruler, triangle, calculator that lets you draw various types of graphs, 3D figures, slopes and geometrical shapes.You can also add text stamps to your board. GeoEnzo is a freeware, simple and intuitive user interface portable software for digital blackboards which includes a calculator for various mathematical calculations.  

I gratitude to all the mathematicians, scientists, e book generators, wikipedia, google,youtube without whom it was not possible for me to create e content.

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