Wonderful Software Highly Recommended!
free online math tools for graphing, geometry, 3D, and more!
GeoGebra is dynamic mathematics software for all levels of education that brings together geometry, algebra, spreadsheets, graphing, statistics and calculus in one easy-to-use package. GeoGebra is a rapidly expanding community of millions of users located in just about every country. GeoGebra has become the leading provider of dynamic mathematics software, supporting science, technology, engineering and mathematics (STEM) education and innovations in teaching and learning worldwide.
A free Internet Download Manager
Neat Download Manager
Neat Download Manager is a simple and lightweight GUI wrapped around a powerful and optimized Download-Engine. It was designed to be simple, easy to use and respectful to hardware resources. Both Windows and Mac versions share the same Download-Engine written in C++ that handles all details about Downloads: Protocols implementation, Connections and BandWidth Control,Dynamic Segmentation, Merging Segments and ... Browser Extensions could be added to Chrome, Firefox and Opera. It integrates NeatDownloadManager with browser and can catch download links and detect all Video/Audio links on websites.
100% Automatically and Free！
Remove Image Background
Remove backgrounds 100% automatically in 5 seconds with zero clicks. We've built tools and plugins for some of the most popular design programs, eCommerce sites and computer environments. To bring more digital efficiency to your own workflow, use our API!
Shouxin Pinyin input method! Pure!
Palm input method is a smart, efficient, no advertising harassment, only focused on the essence of the pure input method. With a powerful intelligent input engine, rich local thesaurus, online thesaurus and exquisite skin online download, with its rich input methods, massive online resources, bring users extraordinary input experience. At present, it covers Windows, Android, iOS and Mac platforms.
Open source software for numerical computation
Scilab is a free and open source software for engineers and scientists, with a long history (first release in 1994) and a growing community (100 000 downloads every months worldwide).Scilab is a programming language associated with a rich collection of numerical algorithms covering many aspects of scientiﬁc computing problems.From the scientiﬁc point of view, Scilab comes with many features. At the very beginning of Scilab, features were focused on linear algebra. But, rapidly, the number of features extended to cover many areas of scientiﬁc computing.
All-in-one easy-to-use online PDF tools
Smallpdf - the platform that makes it super easy to convert and edit all your PDF files. Solving all your PDF problems in one place - and yes, free. Reduce the size of your PDF without losing quality. Convert Word, PowerPoint and Excel files to and from PDF. Combine multiple PDFs into one unified document. Extract pages from your PDF or save each page as a separate PDF.
Screen sharing, fast and easy!
Over 2 million users choose Awesome Screenshot to communicate with images and videos.Screen sharing, fast and easy! Share screen with video and screenshot!
A powerful, free design tool!
Draw Freely. Inkscape!
Inkscape is a Free and open source vector graphics editor for GNU/Linux, Windows and MacOS X. It offers a rich set of features and is widely used for both artistic and technical illustrations such as cartoons, clip art, logos, typography, diagramming and flowcharting. It uses vector graphics to allow for sharp printouts and renderings at unlimited resolution and is not bound to a fixed number of pixels like raster graphics. Inkscape uses the standardized SVG file format as its main format, which is supported by many other applications including web browsers.