In this article, we bring you Top 10 Open Source Software Of 2021. But before we begin we need to know what is Open Source Software? What is Open Source Software? The popularity of Open Source software has soared not just for cost reasons, but the fact that it is readily available for use modification and distribution with its original rights. Generally, users don't get to view the source code, it is code computer programmers manipulate to make the application behave in a desired manner. Programmers are able to access and make modifications to the codes to modify the software to suit their requirements and distribute it in the desired manner. You may already be using a few of these open-source software, further, we will be discussing the Top 10 Open Source Software Of 2021. Top 10 Open Source Software Of 2021 1. LibreOffice LibreOffice is one the most popular open-source office platforms around. It offers support for documents, spreadsheets, databases, presentations, diagrams, and mathematical formulae. An identical free version of the popular office productivity suite, Microsoft Office 365. LibreOffice keeps getting updated regularly and offers more functionality as compared to Microsoft Office 365. Earlier last year a dynamic word count feature at the bottom of the screen was added. Yet another feature included with LibreOffice is the QR code generator tool which enables you to quickly create mobile-friendly links When it comes to editing your documents online, LibreOffice still needs a bit of fine-tuning. It is a bit tricky when it comes to collaboratively work with the software online. 2. VLC Media Player VLC Media Player is a popular open-source software developed by a group called VideoLan project. The free software is a multimedia player that works well for streaming media such as podcasts, online radio stations, multiple audio and video file formats. Users can customize the skins and design of the multimedia player. Another amazing feature is the playback control which allows users to change almost everything from hardware optimization to adding subtitle files from third-party sources. The software is regularly updated, recent updates allow users to stream to other devices (like Chromecasts) and 360-degree video support for VR headsets. 3. GIMP GIMP is a free photo editing tool released in 1996. A popular free photo editing tool that comes with close resemblance and editing flexibility of the Adobe Photoshop platform. It can be used across numerous platforms such as Windows and Linux and comes with a number of 3d party plugins and customization options created by the GIMP open source community. You will need to dedicate some time to use the photo editing software to enjoy the customizable interface and GPU hardware acceleration. The free photo editing software is popular amongst illustrators, graphic designers, and photographers. 4. Shotcut Shotcut is a powerful open-source video editor. It comes with audio and webcam capture, color, text, noise, and counter generators, support of popular image formats, EDL export and much more. It comes with non-destructive audio and video editing support which enables you to compile effects without any quality loss. It is used for tasks like color keying and grading operations, as well as more basic clip splicing and trimming. Shotcut can be installed on Windows, macOS, and Linux platforms. You will find a range of resources and tutorial to use the free open-source software on its official website 5. KeePass KeePass is a free open source password manager that comes with an easy setup and a number of features. It helps to keep your passwords safe and secure. It comes with industry-standard AES encryption which is unbreakable and two-factor authentication that ensures your information stays secure. It allows users to put all the passwords in a single database and is locked with one master key or a key file. The application can run on Windows, Mac, Linux, and mobile devices. You can also store the software on a USB stick. Users can sync their KeePass credential with the cloud storage service of their choice or a browser using a number of plugins available 6. Brave If you want to browse privately without being tracked, Brave browser is a good option. The browser is built on Google\u2019s open-source Chromium project. It enables you to enjoy a secure browsing experience with a built-in Tor function It also offers a unique revenue system called Basic Attention Tokens. 70 percent of the revenue generated is given back to users for viewing ads. You can either gift your earnings to your favorite website or convert the cryptocurrency to real money. Brave allows you to access many Google Chrome extensions, but the best part is you continue to enjoy a faster browsing experience which you fail to see in the Chrome browser. Unlike Google Chrome, Brave browser does not use memory resources which gives it a performance boost while loading pages. 8. Thunderbird Thunderbird is a free alternative to Microsoft Outlook. It is a free email client that offers you the ability to check multiple email inboxes in one place. Developed by Mozilla, Firefox the free open source software offers a number of cool features. You can link your emailed event updates with the inbuilt calendar. Also, you can get news updates via the RSS reader. The email client also comes with a feature that allows you to upload huge files via a different server and drop a link into your message. 6. Audacity Audacity is a free open source digital audio editor and recording software application. The free digital audio editor works on Windows, Mac, and Linux systems. The software offers features such as recording audio from multiple sources, post-processing of all types of audio, including podcasts by adding effects such as normalization, trimming, and fading in and out. Audacity offers quite a complex user interface but comes with professional-grade tools which makes it a worthy application for musicians and podcast creators. 9. FileZilla FileZilla is a popular free file transfer protocol (FTP), client. It enables users to transfer files on the servers remotely. Webmasters commonly use this application to carry out file updates. The free open-source application offers a consistent and smooth FTP experience compared to other FTP applications on offer. It offers features such as large file transfers, synchronized directory browsing, and filename filters. FileZilla comes with a simple user interface which makes it easy to use. The network configuration wizard makes it easy for users to get through their website server. The simple drag and drop functionality makes it easy to view and move files easily. 10. Linux Last but not the least, Linux is a free open-source operating system. No need to spend dollars on buying a licensed copy of Windows 10, simply install Linux for free. You can choose from the number of OS distros available for desktop-like Chrome OS or Ubuntu, and server stack solutions like LAMP. Things have become a lot easier lately, gone are the days when Linux required a lot of tweaking to make it run. Recently we have more user-friendly packages available, this makes it easy to configure a virtual Linux machine or a hard drive. Things have become a lot easier than before but still, you may find getting used to Linux quite a challenge.