diff --git a/src/os.md b/src/os.md
index 51b25a2..3e076ee 100644
--- a/src/os.md
+++ b/src/os.md
@@ -1 +1,8 @@
 # OS
+![alt text](https://github.com/Msiusko/web3privacy/blob/main/static-assets/OS.png?raw=true)
+- [Graphene OS](https://grapheneos.org) - The private and secure mobile operating system with Android app compatibility ([GitHub](https://github.com/GrapheneOS))
+- [CalyxOS](https://calyxos.org/) - Android mobile operating system that puts privacy and security into the hands of everyday users. ([GitLab](https://gitlab.com/CalyxOS))
+- [Whonix](https://www.whonix.org/) - Whonix™ is software designed to preserve privacy and anonymity by helping users run applications anonymously. Whonix™ can be installed on Windows, macOS, Linux and Qubes. ([GitHub](https://github.com/Whonix))
+- [Qubes OS](https://www.qubes-os.org) - Qubes OS is a free and open-source, security-oriented operating system for single-user desktop computing. Qubes OS leverages Xen-based virtualization to allow for the creation and management of isolated compartments called qubes. ([GitHub](https://github.com/QubesOS))
+- [TAILS OS](https://tails.boum.org) - Tails is a portable operating system that protects your privacy and helps you avoid censorship. ([GitLab](https://gitlab.tails.boum.org/tails/tails))
+- [nix-bitcoin](https://nixbitcoin.org) - a collection of Nix packages and NixOS modules for easily installing full-featured Bitcoin nodes with an emphasis on security ([GitHub](https://github.com/fort-nix/nix-bitcoin))