diff --git a/responders/Redmine/Redmine_Issue.json b/responders/Redmine/Redmine_Issue.json
new file mode 100644
index 000000000..a4269a003
--- /dev/null
+++ b/responders/Redmine/Redmine_Issue.json
@@ -0,0 +1,88 @@
+{
+  "name": "Redmine_Issue",
+  "version": "1.0",
+  "author": "Marc-André DOLL",
+  "url": "https://github.com/TheHive-Project/Cortex-Analyzers",
+  "license": "AGPL-V3",
+  "description": "Create a redmine issue from a case",
+  "dataTypeList": [
+    "thehive:case",
+    "thehive:case_task"
+  ],
+  "command": "Redmine/redmine.py",
+  "baseConfig": "Redmine",
+  "configurationItems": [
+    {
+      "name": "instance_name",
+      "description": "Name of the Redmine instance",
+      "multi": false,
+      "required": false,
+      "type": "string",
+      "defaultValue": "redmine"
+    },
+    {
+      "name": "url",
+      "description": "URL where to find the Redmine API",
+      "type": "string",
+      "multi": false,
+      "required": true
+    },
+    {
+      "name": "username",
+      "description": "Username to log into Redmine",
+      "type": "string",
+      "multi": false,
+      "required": true
+    },
+    {
+      "name": "password",
+      "description": "Password to log into Redmine",
+      "type": "string",
+      "multi": false,
+      "required": true
+    },
+    {
+      "name": "project_field",
+      "description": "Name of the custom field containing the Redmine project to use when creating the issue",
+      "multi": false,
+      "required": true,
+      "type": "string"
+    },
+    {
+      "name": "tracker_field",
+      "description": "Name of the custom field containing the Redmine tracker to use when creating the issue",
+      "multi": false,
+      "required": true,
+      "type": "string"
+    },
+    {
+      "name": "assignee_field",
+      "description": "Name of the custom field containing the Redmine assignee to use when creating the issue",
+      "multi": false,
+      "required": false,
+      "type": "string"
+    },
+    {
+      "name": "reference_field",
+      "description": "Name of the case custom field in which to store the opened issue. If not defined, this information will not be stored",
+      "type": "string",
+      "required": false,
+      "multi": false
+    },
+    {
+      "name": "opening_status",
+      "description": "Status used when opening a Redmine issue (if not defined here, will use the default opening status from the Redmine Workflow)",
+      "type": "string",
+      "multi": false,
+      "required": false
+    },
+    {
+      "name": "closing_task",
+      "description": "Closing the task after successfully creating the Redmine issue",
+      "type": "boolean",
+      "multi": false,
+      "defaultValue": false,
+      "required": false
+    }
+  ]
+}
diff --git a/responders/Redmine/redmine.py b/responders/Redmine/redmine.py
new file mode 100755
index 000000000..b5950791f
--- /dev/null
+++ b/responders/Redmine/redmine.py
@@ -0,0 +1,67 @@
+#!/usr/bin/env python3
+# encoding: utf-8
+
+from cortexutils.responder import Responder
+import redmine_client
+
+class Redmine(Responder):
+    def __init__(self):
+        Responder.__init__(self)
+        self.instance_name = self.get_param('config.instance_name', 'redmine')
+        self.instance_url = self.get_param('config.url', None, 'Missing Redmine URL')
+        self.client = redmine_client.RedmineClient(
+            baseurl=self.instance_url,
+            username=self.get_param('config.username', None, 'Missing username'),
+            password=self.get_param('config.password', None, 'Missing password'))
+        self.project_field = self.get_param('config.project_field', None, 'Missing custom field for Redmine project')
+        self.tracker_field = self.get_param('config.tracker_field', None, 'Missing custom field for Redmine tracker')
+        self.assignee_field = self.get_param('config.assignee_field', None, 'Missing custom field for Redmine assignee')
+        self.reference_field = self.get_param('config.reference_field', None)
+        self.closing_task = self.get_param('config.closing_task', False)
+
+    def run(self):
+        issue_data = {}
+        if self.data_type == 'thehive:case':
+            issue_data = self.extract_case_data()
+        elif self.data_type == 'thehive:case_task':
+            issue_data = self.extract_case_data('data.case')
+        else:
+            self.error('Invalid dataType')
+        try:
+            issue = self.client.create_issue(
+                title=issue_data['title'], body=issue_data['description'],
+                project=issue_data['project'], tracker=issue_data['tracker'],
+                status=issue_data['status'], priority=issue_data['severity'],
+                assignee=issue_data['assignee'])
+            self.report({
+                'message': 'issue {} created'.format(issue['issue']['id']),
+                'instance': {'name': self.instance_name, "url": self.instance_url},
+                'issue': issue
+            })
+        except Exception as e:
+            self.error(str(e))
+
+    def operations(self, raw):
+        ops = []
+        if self.reference_field:
+            ops.append(self.build_operation('AddCustomFields', name=self.reference_field, tpe='string', value='{}#{}'.format(self.instance_name, raw['issue']['issue']['id'])))
+        if self.data_type == 'thehive:case_task' and self.closing_task:
+            ops.append(self.build_operation('CloseTask'))
+        return ops
+
+    def extract_case_data(self, data_root='data'):
+        issue_data = {}
+        issue_data['title'] = self.get_param('{}.title'.format(data_root), None, 'Case title is missing')
+        issue_data['description'] = self.get_param('{}.description'.format(data_root), None, 'Case description is missing')
+        issue_data['severity'] = self.get_param('{}.severity'.format(data_root))
+        if self.project_field:
+            issue_data['project'] = self.get_param('{}.customFields.{}.string'.format(data_root, self.project_field), None, 'Project not defined in case')
+        if self.tracker_field:
+            issue_data['tracker'] = self.get_param('{}.customFields.{}.string'.format(data_root, self.tracker_field), None, 'Tracker not defined in case')
+        if self.assignee_field:
+            issue_data['assignee'] = self.get_param('{}.customFields.{}.string'.format(data_root, self.assignee_field), None)
+        issue_data['status'] = self.get_param('config.opening_status')
+        return issue_data
+
+if __name__ == '__main__':
+    Redmine().run()
diff --git a/responders/Redmine/redmine_client.py b/responders/Redmine/redmine_client.py
new file mode 100644
index 000000000..2685a6923
--- /dev/null
+++ b/responders/Redmine/redmine_client.py
@@ -0,0 +1,77 @@
+import requests
+
+class RedmineClient:
+    def __init__(self, baseurl, username, password):
+        self.base_url = baseurl
+        self.session = requests.Session()
+        self.session.headers.update({'content-type': 'application/json'})
+        self.session.auth = (username, password)
+
+    def create_issue(self, title=None, body=None, project=None, tracker=None,
+                     priority=None, status=None, assignee=None):
+        payload = {
+            'issue': {
+                'subject': title,
+                'description': body,
+                'project_id': project,
+                'tracker_id':  self.get_tracker_id(tracker),
+                'priority_id': priority,
+                'status_id':   self.get_status_id(status),
+                'assigned_to_id': self.get_assignee_id(project, assignee)
+            }
+        }
+        url = self.base_url + '/issues.json'
+        response = self.session.post(url, json=payload)
+        response.raise_for_status()
+        result = response.json()
+        if 'error' in result:
+            raise RedmineClientError(result['error'])
+        return result
+
+    def get_tracker_id(self, name):
+        url = self.base_url + '/trackers.json'
+        id = None
+        trackers = self.session.get(url)
+        trackers.raise_for_status()
+        for p in trackers.json()['trackers']:
+            if p['name'] == name:
+                id = p['id']
+                break
+        return id
+
+    def get_status_id(self, name):
+        url = self.base_url + '/issue_statuses.json'
+        id = None
+        issue_statuses = self.session.get(url)
+        issue_statuses.raise_for_status()
+        for p in issue_statuses.json()['issue_statuses']:
+            if p['name'] == name:
+                id = p['id']
+                break
+        return id
+
+    def get_assignee_id(self, project, assignee):
+        url = '{}/projects/{}/memberships.json'.format(self.base_url, project)
+        id = None
+        payload = {'offset': 0}
+        total_count = 0
+        while id is None and payload['offset'] <= total_count:
+            response = self.session.get(url, params=payload)
+            response.raise_for_status()
+            for member in response.json()['memberships']:
+                if 'user' in member:
+                    if assignee == member['user']['name']:
+                        id = member['user']['id']
+                        break
+                elif 'group' in member:
+                    if assignee == member['group']['name']:
+                        id = member['group']['id']
+                        break
+            total_count = response.json()['total_count']
+            payload['offset'] += response.json()['limit']
+        return id
+
+
+class RedmineClientError(Exception):
+    def __init__(self, message):
+        self.message = message
diff --git a/responders/Redmine/requirements.txt b/responders/Redmine/requirements.txt
new file mode 100644
index 000000000..2cac23c03
--- /dev/null
+++ b/responders/Redmine/requirements.txt
@@ -0,0 +1,2 @@
+requests
+cortexutils