Linux distro - a better alternative for Microsoft Windows when it comes to privacy and security. Why you are compromising your security since there are thousands of free operating system available in open source world. If your planning to download a pirated copy of Windows, then stop. Best open source alternatives for expensive applications: Start here - Use Linux distro instead of Windows: Most of the open source software (leave the first one, its an operating system) listed here comes with cross-platform support, that means you can install it an run in multiple platforms such as - Windows, Mac, Linux. Install them and find out how they can outperform your existing paid software. Here in this article, we are going to list some best open source software alternatives for expensive applications. Finally, cost-effective - no hidden charges, completely free.In some cases, open source tools offer features or performance benefits that surpass their commercial counterparts.Top paid operating systems and tools track their users. Open source software code is readily available for anyone who wants it, so anyone can use it, share it, modify it for their own needs, and study it.Open source programs give you complete freedom without any shady terms and conditions.