add some software

README.md

@@ -5,11 +5,22 @@ This is a collection of nice open source software.
 ## Package Managers
 
   - [__Nix__](https://nixos.org/nix/)  
-    Purely functional package manager.
+    Purely functional package manager, available for all Unix based distributions
-    
-    Available for all Unix based distributions.
 
 ## Operating Systems
 
   - [__NixOS__](https://nixos.org/)  
     Declarative operating system, based on the **Nix** package manager
+
+## File Sharing / Synchronisation
+
+  - [__Magic Wormhole__](https://github.com/warner/magic-wormhole/)  
+    Get things from one computer to another, safely
+
+  - [__Syncthing__](https://syncthing.net/)\
+    Synchronizes files between two or more computers in real time, safely protected from prying eyes
+    
+## Office / Writing
+
+  - [Pandoc](https://pandoc.org/)  
+    Swiss-army knife for converting files from one markup format into another