Kicad is open source , KiCad's Schematic Editor supports everything from the most basic schematic to a complex hierarchical design with hundreds of sheets. Create your own custom symbols or use some of the thousands found in the official KiCad library. Verify your design with integrated SPICE simulator and electrical rules checker. KiCad's PCB Editor is approachable enough to make your first PCB design easy, and powerful enough for complex modern designs. A powerful interactive router and improved visualization and selection tools make layout tasks easier than ever. KiCad's 3D Viewer allows easy inspection of your PCB to check mechanical fit and to preview your finished product. A built-in raytracer with customizable lighting can create realistic images to show off your work.

• Website: https://www.kicad.org/
• Date: June 2022
• Download link: https://www.kicad.org/download/

Code::Blocks is a free, open-source cross-platform IDE that supports multiple compilers including GCC, Clang and Visual C++. It is developed in C++ using wxWidgets as the GUI toolkit. It is mainly used for integrated Development Environment for C , C++ and VC++

• Website: https://www.codeblocks.org/
• Date: july 2022
• Download:Select -> Code Blocks Windows 64 bit (including compiler) https://www.fosshub.com/Code-Blocks.html

LibreOffice is the offspring of The Document Foundation and split from OpenOffice in 2010. The suite itself is free and open source, and is made up of a word processor, spreadsheet and presentation software, and is available in 110 languages. While LibreOffice uses the ODF (OpenDocument) format it still supports a range of other format types such as those used in Microsoft Office. LibreOffice is the default suite for most Linux distros and it is also available for use on Windows and macOS. There's also a LibreOffice viewer for Android. You can add extra features to LibreOffice via extensions from its website. These include extra templates for documents.

• Website: ttps://www.libreoffice.org
• Date: July 2022
• Download: https://www.libreoffice.org/download/download/

LibreCAD is an excellent free alternative to AutoCAD for those working on 2D models. Since it is open-source, like FreeCAD, it has a large community of developers and users behind it, who donate and contribute fixes. LibreCAD was once known as CADuntu, but only for a few months – it was renamed as LibreCAD pretty quickly. Still, sometimes you may see it referred to as CADuntu on some older blogs and forums. It is entirely free to use LibreCAD – you don’t need to pay or subscribe to anything. Since it is open-source, you are free to copy and distribute it.

• Download Link: LibreCAD
• Date: July 2022
• Website: https://librecad.org/

It is alternative for Commercial Maya , Blender is 3D modeling software written in C, C++, and Python containing cloth, hair, fluid, particle, and rigid body simulation techniques .

• website: Techs Soft
• Date: Jan 2023
• Download: Blender S/W Download

XAMPP is a completely free, easy to install Apache distribution containing MariaDB,MySQL, PHP, Apache Webserver and Perl. The XAMPP open source package has been set up to be incredibly easy to install and to use. This Software is Sufficient to Develop and Run PHP-MySql Related Applications. This is a Bundled softwares of PHP,Mysql and Apache including Tomcat . so, There is no Seperate Installation is Not Required .

• Website: https://www.apachefriends.org/
• Date: July 2022
• Download: https://www.apachefriends.org/download.html

ANACONDA : Python , Jupyter,data science,Machine Learning and Deep Learning all in one software

• Website: https://www.anaconda.com/
• Date: August 2022
• Download: https://www.anaconda.com/products/distribution

Java technology is both a programming language and a platform. The Java programming language is a high-level object-oriented language that has a particular syntax and style. A Java platform is a particular environment in which Java programming language applications run. There are several Java platforms. Many developers, even long-time Java programming language developers, do not understand how the different platforms relate to each other. The Java Programming Language Platforms There are four platforms of the Java programming language:1)Java Platform, Standard Edition (Java SE) 2)Java Platform, Enterprise Edition (Java EE) 3) 4) Java Platform, Micro Edition (Java ME) 5) JavaFX

• Website: https://www.oracle.com/java/technologies/downloads/
• Date: Feb 2023
• Download: Java 20 and Java 17 available now

Visual Studio Code is a lightweight but powerful source code editor which runs on your desktop and is available for Windows, macOS and Linux. It comes with built-in support for JavaScript, TypeScript and Node.js and has a rich ecosystem of extensions for other languages and runtimes (such as C++, C#, Java, Python, PHP, Go, .NET).

• website: https://code.visualstudio.com/
• Date: July 2022
• Download: https://code.visualstudio.com/Download

7-Zip is free software with open source. The most of the code is under the GNU LGPL license. Some parts of the code are under the BSD 3-clause License. Also there is unRAR license restriction for some parts of the code

• High compression ratio in 7z format with LZMA and LZMA2 compression
• Supported formats: Packing / unpacking: 7z, XZ, BZIP2, GZIP, TAR, ZIP and WIM Unpacking only: APFS, AR, ARJ, CAB, CHM, CPIO, CramFS, DMG, EXT, FAT, GPT, HFS, IHEX, ISO, LZH, LZMA, MBR, MSI, NSIS, NTFS, QCOW2, RAR, RPM, SquashFS, UDF, UEFI, VDI, VHD, VHDX, VMDK, WIM, XAR and Z.
• For ZIP and GZIP formats, 7-Zip provides a compression ratio that is 2-10 % better than the ratio provided by PKZip and WinZip

• website: https://www.7-zip.org/
• Date: July 2022
• Download: https://www.7-zip.org/a/7z2200-x64.exe

VLC is a free and open source cross-platform multimedia player and framework that plays most multimedia files as well as DVDs, Audio CDs, VCDs, and various streaming protocols.

• website: https://get.videolan.org/
• Date: July 2022
• Download: https://www.videolan.org/vlc/

The RStudio IDE is a set of integrated tools designed to help you be more productive with R and Python. It includes a console, syntax-highlighting editor that supports direct code execution, and a variety of robust tools for plotting, viewing history, debugging and managing your workspace.

• website: https://www.rstudio.com/
• Date: Jan 2023
• Download: https://posit.co/download/rstudio-desktop/

It is also alternative for MATLAB. Scilab has been designed to be an open system where the user can define new data types and operations on these data types by using overloading. A large number of contributions can be downloaded from Scilab website. Scilab has been built using a number of external libraries. It works on most Unix systems (including GNU/Linux), Windows (9X/2000/XP/Vista) and comes with source code, online help and English user manuals.

• 2-D and 3-D Graphics, Animation
• Linear algebra, Sparse matrices
• Polynomials and Rational functions
• Interpolation, Approximation
• Simulation: ODE solver and DAE solver
• Xcos:  Hybrid Dynamic Systems Modeler and Simulator
• Classic and robust control, LMI optimization
• Differentiable and Non-Differentiable Optimization
• Signal Processing
• Image Processing
• Metanet: Graphs and Networks
• Parallel Scilab
• Instruments Modeling and Control
• Data analysis and Statistics, Data Handling
• Aerospace Blockset, CelestLab
• Serial Communication
• Education
• GUI Builder
• Physics
• Real-time simulation
• Number Theory and numerical maths
• Interface with Computer Algebra: Maple package for Scilab code generation
• Interface with Fortran, Tcl/Tk, C, C++, Java, LabVIEW
• Many more contributions for various domains.

• website: https://www.scilab.org/
• Date: July 2022
• Download: https://www.scilab.org/download/6.1.1/scilab-6.1.1_x64.exe

Ubuntu is a Linux distribution based on Debian and composed mostly of free and open-source Operating system software. Ubuntu is officially released in three editions: Desktop, Server, and Core for Internet of things devices and robots. All the editions can run on the computer alone, or in a virtual machine. it is an alternative operating system to Microsft windows.

• website: https://ubuntu.com/
• Date: April 2023
• Download: You can find Download Button to Download ubunto iso Ubuntu 23.04 is now available!
• Making Bootable USB to Install ubuntu follow the instructions from official ubuntu website. Follow Instructions to Create Bootable USB from windows

Free and open source software for video recording and live streaming.Download and start streaming quickly and easily on Windows, Mac or Linux

• website: https://obsproject.com/
• Date: March 2023
• Download: Download OBS Studio

Weka is a collection of machine learning algorithms for data mining tasks. It contains tools for data preparation, classification, regression, clustering, association rules mining, and visualization.

Found only on the islands of New Zealand, the Weka is a flightless bird with an inquisitive nature. The name is pronounced like this, and the bird sounds like this.

Weka is open source software issued under the GNU General Public License.

We have put together several free online courses that teach machine learning and data mining using Weka. The videos for the courses are available on Youtube.

Weka supports deep learning!

• website: https://www.cs.waikato.ac.nz/ml/weka/
• Date: July 2022
• Download: https://prdownloads.sourceforge.net/weka/weka-3-8-6-azul-zulu-windows.exe

Maxima is a system for the manipulation of symbolic and numerical expressions, including differentiation, integration, Taylor series, Laplace transforms, ordinary differential equations, systems of linear equations, polynomials, sets, lists, vectors, matrices and tensors. Maxima yields high precision numerical results by using exact fractions, arbitrary-precision integers and variable-precision floating-point numbers. Maxima can plot functions and data in two and three dimensions.

The Maxima source code can be compiled on many systems, including Windows, Linux, and MacOS X. The source code for all systems and precompiled binaries for Windows and Linux are available at the SourceForge file manager.

• website: https://maxima.sourceforge.io/
• Date: July 2022
• Download: https://sourceforge.net/projects/maxima/files/
  Instructions for Windows Installation

Inkscape is an open source and free vector graphics software that features a unique format which is not natively found in other similar products such as Corel Draw, Xara X, Freehand, and Adobe Illustrator. Its features are presented through consistent, stable, and clear interface. The editor is also cross platform which allows it to smoothly run on MAC OS X, Windows, and Linux architecture. It is versatile and flexible and provides users with various tool tips with useful information in them. Inkscape also utilizes SVG (Scalable Vector Graphics) which is regarded as a great format for designing and creating banners and logos or other media that were modified in vector mode. The reason for that being is that SVG format allows graphic designers and others in the field of branding/marketing, web graphics, CAD/engineering, and cartooning to make graphics that are capable of scaling to any size without losing its original quality. The development of the platform is community-oriented and open source which means that users can use and distribute it without any charge and they can also take a peek in its source code and further develop it. Other features of interest are object creation and manipulation, path operations, rendering, file formats, and text support

• website: https://inkscape.org/
• Date: July 2022
• Download: Download

Ruby on Rails (or "Rails") is an open-source web application development framework written in the Ruby programming language. It's one of the most popular Ruby libraries and one of the top reasons developers choose to learn Ruby. Modern web applications can be very complex with many layers.

• website: https://rubyonrails.org/
• Date: July 2022
• Download & Install: Download Ruby Installer
  

  Install Rails − With Rubygems loaded, you can install all of Rails and its dependencies using the following command through the command line − "gem install rails"

Free, open source, cross-platform audio software Audacity is an easy-to-use, multi-track audio editor and recorder for Windows, macOS, GNU/Linux and other operating systems. Audacity is free, open source software.

• website: https://www.audacityteam.org/
• Date: July 2022
• Download : https://www.audacityteam.org/download/windows/
  

Firefox is a Web browser that is smaller, faster, and in some ways more secure than the Mozilla browser from which much of its code was originally derived. Compared to Internet Explorer, the most popular Web browser, Firefox gives users a cleaner interface and faster download speeds. It is also used for PDF file Viewer.

• website: https://www.mozilla.org/en-US/firefox/new/
• Date: July 2022
• Download : Download
  

GIMP is a cross-platform image editor available for GNU/Linux, macOS, Windows and more operating systems. It is free software, you can change its source code and distribute your changes. Whether you are a graphic designer, photographer, illustrator, or scientist, GIMP provides you with sophisticated tools to get your job done. You can further enhance your productivity with GIMP thanks to many customization options and 3rd party plugins.

• website: https://www.gimp.org/
• Date: July 2022
• Download : Download
  

MongoDB Atlas is an integrated suite of data services centered around a cloud database designed to accelerate and simplify how you build with data. Build faster and build smarter with a developer data platform that helps solve your data challenges.

• website: https://www.mongodb.com/
• Date: March 2023
• Download : Download