# Index

1. [Contributing](#contributing)
2. [Browser extensions](#browser-extensions)
3. **[Replacements/alternatives](#replacementsalternatives)**
    1. [Disclaimer](#disclaimer)
    2. [Web-based products](#web-based-products)
    3. [Operating systems](#operating-systems)
    4. [Desktop applications](#desktop-apps)
    5. [Mobile applications](#mobile-apps)
    6. [Hardware](#hardware)
4. [Useful links, tools, and advice](#useful-links-tools-and-advice)
    1. [Resources](#resources)
    1. [Books](#books)
    1. [Blog posts](#blog-posts)
    1. [News articles](#news-articles)
5. [The lighter side](#the-lighter-side)
6. [Closing remarks](#closing-remarks)