diff --git a/repository/TiddlyWiki/Tiddler.class.st b/repository/TiddlyWiki/Tiddler.class.st
index 99dc346..6973633 100644
--- a/repository/TiddlyWiki/Tiddler.class.st
+++ b/repository/TiddlyWiki/Tiddler.class.st
@@ -287,6 +287,7 @@ Tiddler >> markdownLinksAsWikiText [
 { #category : #accessing }
 Tiddler >> modified [
 
+	modified ifNil: [ ^ modified ].
 	^ modified asZTimestamp
 ]
 
diff --git a/repository/TiddlyWiki/TiddlyWiki.class.st b/repository/TiddlyWiki/TiddlyWiki.class.st
index ec886a4..8803f1f 100644
--- a/repository/TiddlyWiki/TiddlyWiki.class.st
+++ b/repository/TiddlyWiki/TiddlyWiki.class.st
@@ -41,6 +41,20 @@ TiddlyWiki >> addToConfigFile [
 	^ MarkupFile exportAsFileOn: self  configFile containing:(STON toStringPretty: newConfig)
 ]
 
+{ #category : #accessing }
+TiddlyWiki >> changesAfter: aDate [
+
+	| recent created modified wiki |
+	wiki := self withoutImages withoutPDFs contentTiddlers.
+	created := wiki select: [ :tiddler | tiddler created > aDate ].
+    modified := wiki select: [ :tiddler | tiddler modified isNotNil 
+    	and: [ tiddler modified > aDate ] ].
+    
+    recent := OrderedCollection new.
+	recent addAll: created; addAll: modified.
+	^ recent
+]
+
 { #category : #accessing }
 TiddlyWiki >> configDictonary [
 	^ STONJSON fromString: self configFile contents.
@@ -262,6 +276,12 @@ TiddlyWiki >> tiddlers: anOrderedCollection [
 	tiddlers := anOrderedCollection
 ]
 
+{ #category : #accessing }
+TiddlyWiki >> tiddlersFolder [
+
+	^ self file parent / 'tiddlers'
+]
+
 { #category : #accessing }
 TiddlyWiki >> tiddlersJSONFile [