diff --git a/repository/Grafoscopio/FossilBranch.class.st b/repository/Grafoscopio/FossilBranch.class.st
new file mode 100644
index 0000000..79c4940
--- /dev/null
+++ b/repository/Grafoscopio/FossilBranch.class.st
@@ -0,0 +1,29 @@
+"
+I store all the commits under a branch name in a timeline for a fossil repository
+
+Public API and Key Messages
+
+- message one   
+- message two 
+- what is the way to create instances is a plus.
+
+   One simple example is simply gorgeous.
+ 
+Internal Representation and Key Implementation Points.
+
+    Instance Variables
+	commits:		<Object>
+	name:		<Object>
+
+
+    Implementation Points
+"
+Class {
+	#name : #FossilBranch,
+	#superclass : #Object,
+	#instVars : [
+		'name',
+		'commits'
+	],
+	#category : #'Grafoscopio-ExternalTools'
+}
diff --git a/repository/Grafoscopio/FossilCommit.class.st b/repository/Grafoscopio/FossilCommit.class.st
new file mode 100644
index 0000000..38d1430
--- /dev/null
+++ b/repository/Grafoscopio/FossilCommit.class.st
@@ -0,0 +1,133 @@
+"
+I'm FossilCommit the representation  of a commit in the history of a fossil repository.
+
+I store the data of a single fossil commit, to help in the interaction with external fossil repositories and the
+internal smalltalk objects. I was created to facilitate graphical representation of fossil repositorires inside Roassal.
+
+For the Collaborators Part: State my main collaborators and one line about how I interact with them. 
+
+Public API and Key Messages
+
+- message one   
+- message two 
+- what is the way to create instances is a plus.
+
+   One simple example is simply gorgeous.
+ 
+Internal Representation and Key Implementation Points.
+
+    Instance Variables
+	comment:		<Object>
+	isLeaf:		<Object>
+	parents:		<Object>
+	tags:		<Object>
+	timestamp:		<Object>
+	type:		<Object>
+	user:		<Object>
+	uuid:		<Object>
+
+
+    Implementation Points
+"
+Class {
+	#name : #FossilCommit,
+	#superclass : #Object,
+	#instVars : [
+		'isLeaf',
+		'type',
+		'timestamp',
+		'user',
+		'uuid',
+		'comment',
+		'parents',
+		'tags'
+	],
+	#category : #'Grafoscopio-ExternalTools'
+}
+
+{ #category : #accessing }
+FossilCommit >> comment [
+	^ comment
+]
+
+{ #category : #accessing }
+FossilCommit >> comment: anObject [
+	comment := anObject
+]
+
+{ #category : #initializing }
+FossilCommit >> initialize [
+	"Creates an empty commit"
+
+	super initialize.
+]
+
+{ #category : #accessing }
+FossilCommit >> isLeaf [
+	^ isLeaf
+]
+
+{ #category : #accessing }
+FossilCommit >> isLeaf: anObject [
+	isLeaf := anObject
+]
+
+{ #category : #accessing }
+FossilCommit >> parents [
+	^ parents
+]
+
+{ #category : #accessing }
+FossilCommit >> parents: anObject [
+	parents := anObject
+]
+
+{ #category : #accessing }
+FossilCommit >> tags [
+	^ tags
+]
+
+{ #category : #accessing }
+FossilCommit >> tags: anObject [
+	tags := anObject
+]
+
+{ #category : #accessing }
+FossilCommit >> timestamp [
+	^ timestamp
+]
+
+{ #category : #accessing }
+FossilCommit >> timestamp: anObject [
+	timestamp := anObject
+]
+
+{ #category : #accessing }
+FossilCommit >> type [
+	^ type
+]
+
+{ #category : #accessing }
+FossilCommit >> type: anObject [
+	type := anObject
+]
+
+{ #category : #accessing }
+FossilCommit >> user [
+	^ user
+]
+
+{ #category : #accessing }
+FossilCommit >> user: anObject [
+	user := anObject
+]
+
+{ #category : #accessing }
+FossilCommit >> uuid [
+	^ uuid
+]
+
+{ #category : #accessing }
+FossilCommit >> uuid: anObject [
+	uuid := anObject
+]
diff --git a/repository/Grafoscopio/FossilTimeline.class.st b/repository/Grafoscopio/FossilTimeline.class.st
new file mode 100644
index 0000000..811e6a3
--- /dev/null
+++ b/repository/Grafoscopio/FossilTimeline.class.st
@@ -0,0 +1,63 @@
+"
+I store all commits in a fossil timeline.
+
+- message one   
+- message two 
+- what is the way to create instances is a plus.
+
+   One simple example is simply gorgeous.
+ 
+Internal Representation and Key Implementation Points.
+
+    Instance Variables
+	commits:		<Object>
+
+
+    Implementation Points
+"
+Class {
+	#name : #FossilTimeline,
+	#superclass : #Object,
+	#instVars : [
+		'commits'
+	],
+	#category : #'Grafoscopio-ExternalTools'
+}
+
+{ #category : #accessing }
+FossilTimeline >> commits [
+	^ commits
+]
+
+{ #category : #accessing }
+FossilTimeline >> commits: anObject [
+	commits := anObject
+]
+
+{ #category : #'as yet unclassified' }
+FossilTimeline >> importFromUrl: aJsonFileUrl [
+	"Imports all commits stored in aJsonFileUrl and converts them in a collection of FossilCommit objects"
+
+	| commitsDict |
+	
+	"Extracting data"
+	commitsDict := ((NeoJSONReader fromString: (aJsonFileUrl asUrl retrieveContents asString)) at: 'payload') at: 'timeline'.
+
+	"Transforming the data"
+	self commits: (commitsDict collect: [:commit | 
+			FossilCommit new
+				uuid: (commit at: 'uuid');
+				type:  (commit at: 'type');
+				timestamp: (commit at: 'timestamp');
+				user: (commit at: 'user');
+				comment: (commit at: 'comment');
+				"parents: (commit at: 'parents');"
+				tags: (commit at: 'tags')]).
+]
+
+{ #category : #'as yet unclassified' }
+FossilTimeline >> initialize [
+	"comment stating purpose of message"
+
+	super initialize
+]