Added ppl addressbook.

README.md

@@ -15,7 +15,7 @@ to build the latest version of ``README.md``.
 
 # Summary
 
-To date, **159** apps/tools covered, divided in **31** categories; **8** related sites reviewed and listed.
+To date, **160** apps/tools covered, divided in **31** categories; **8** related sites reviewed and listed.
 
 # Index
 
@@ -83,6 +83,10 @@ CLI to access Google Calendars; allows to do the main tasks: create, delete, and
 
 CLI and terminal calendar program, able to synchronize with CalDAV servers through [vdirsyncer](https://github.com/pimutils/vdirsyncer). 
 
+#### [ppl addressbook](http://ppladdressbook.org/)
+
+"``ppl`` is free software made out of other free software. It's built on top of Ruby and Git, and the completely free vcard address book format." 
+
 #### [khard](https://github.com/lucc/khard)
 
 Console carddav client written in Pyhton. 

cli-apps.yaml

@@ -565,6 +565,13 @@ apps:
             description: |
                 CLI and terminal calendar program, able to synchronize
                 with CalDAV servers through [vdirsyncer](https://github.com/pimutils/vdirsyncer).
+        -
+            name: ppl addressbook
+            url: http://ppladdressbook.org/
+            description: |
+                "``ppl`` is free software made out of other free software.
+                It's built on top of Ruby and Git, and the completely free
+                vcard address book format."
         -
             name: khard
             url: https://github.com/lucc/khard