diff --git a/gns3server/appliances/centos7.gns3a b/gns3server/appliances/centos7.gns3a
new file mode 100644
index 00000000..6761fe70
--- /dev/null
+++ b/gns3server/appliances/centos7.gns3a
@@ -0,0 +1,45 @@
+{
+    "name": "Centos",
+    "category": "guest",
+    "description": "The CentOS Linux distribution is a stable, predictable, manageable and reproducible platform derived from the sources of Red Hat Enterprise Linux (RHEL). We are now looking to expand on that by creating the resources needed by other communities to come together and be able to build on the CentOS Linux platform. And today we start the process by delivering a clear governance model, increased transparency and access. In the coming weeks we aim to publish our own roadmap that includes variants of the core CentOS Linux.",
+    "vendor_name": "CentOS Linux",
+    "vendor_url": "https://www.centos.org/",
+    "documentation_url": "https://wiki.centos.org/",
+    "product_name": "Centos",
+    "product_url": "https://www.centos.org/download/",
+    "registry_version": 5,
+    "status": "stable",
+    "maintainer": "GNS3 Team",
+    "maintainer_email": "developers@gns3.net",
+    "usage": "Username: osboxes.org\nPassword: osboxes.org",
+    "port_name_format": "eth{0}",
+    "qemu": {
+        "adapter_type": "virtio-net-pci",
+        "adapters": 1,
+        "ram": 2048,
+        "hda_disk_interface": "ide",
+        "arch": "x86_64",
+        "console_type": "spice",
+        "boot_priority": "c",
+        "kvm": "require",
+        "options": "-vga qxl"
+    },
+    "images": [
+
+        {
+            "filename": "CentOS 7-1611 (64bit).vmdk",
+            "version": "7-1611",
+            "md5sum": "1da15f6144eab25c8546f81dd1c34092",
+            "filesize": 4365877248,
+            "download_url": "http://www.osboxes.org/centos/"
+        }
+    ],
+    "versions": [
+        {
+            "name": "7-1611",
+            "images": {
+                "hda_disk_image": "CentOS 7-1611 (64bit).vmdk"
+            }
+        }
+    ]
+}
diff --git a/gns3server/appliances/security-onion.gns3a b/gns3server/appliances/security-onion.gns3a
new file mode 100644
index 00000000..c2011f4d
--- /dev/null
+++ b/gns3server/appliances/security-onion.gns3a
@@ -0,0 +1,68 @@
+{
+    "name": "Security Onion",
+    "category": "guest",
+    "description": "Security Onion is a Linux distro for intrusion detection, network security monitoring, and log management. It’s based on Ubuntu and contains Snort, Suricata, Bro, OSSEC, Sguil, Squert, ELSA, Xplico, NetworkMiner, and many other security tools. The easy-to-use Setup wizard allows you to build an army of distributed sensors for your enterprise in minutes!",
+    "vendor_name": "Security Onion Solutions, LLC",
+    "vendor_url": "https://securityonion.net/",
+    "documentation_url": "https://github.com/Security-Onion-Solutions/security-onion/wiki",
+    "product_name": "Security Onion",
+    "product_url": "https://securityonion.net/",
+    "registry_version": 3,
+    "status": "stable",
+    "maintainer": "Brent Stewart",
+    "maintainer_email": "brent@stewart.tc",
+    "usage": "Your default account will have sudo priviledges.  Squil and Squert username and password are configured in the Setup wizard.  MySQL root is set to null.  For more info see https://github.com/Security-Onion-Solutions/security-onion/wiki/Passwords.",
+    "symbol": "securityonion-logo.png",
+    "qemu": {
+        "adapter_type": "e1000",
+        "adapters": 2,
+        "ram": 3072,
+        "arch": "i386",
+        "console_type": "telnet",
+        "kvm": "allow"
+    },
+    "images": [
+        {
+            "filename": "securityonion-14.04.5.4.iso",
+            "version": "14.04.5.4",
+            "md5sum": "9c7cab756b675beb10de4274a3ad3bc6",
+            "filesize": 1874853888,
+            "download_url": "https://github.com/Security-Onion-Solutions/security-onion/releases/download/v14.04.5.4_20171031/securityonion-14.04.5.4.iso",
+            "direct_download_url": "https://github.com/Security-Onion-Solutions/security-onion/releases/download/v14.04.5.4_20171031/securityonion-14.04.5.4.iso"
+        },
+        {
+            "filename": "securityonion-14.04.5.3.iso",
+            "version": "14.04.5.3",
+            "md5sum": "fb80ccb2d3c0f3f511823fa5858f87d1",
+            "filesize": 1889533952,
+            "download_url": "https://github.com/Security-Onion-Solutions/security-onion/releases/download/v14.04.5.4_20171031/securityonion-14.04.5.3.iso",
+            "direct_download_url": "https://github.com/Security-Onion-Solutions/security-onion/releases/download/v14.04.5.4_20171031/securityonion-14.04.5.3.iso"
+        },
+        {
+            "filename": "empty30G.qcow2",
+            "version": "1.0",
+            "md5sum": "3411a599e822f2ac6be560a26405821a",
+            "filesize": 197120,
+            "download_url": "https://sourceforge.net/projects/gns-3/files/Empty%20Qemu%30disk/",
+            "direct_download_url": "http://sourceforge.net/projects/gns-3/files/Empty%20Qemu%20disk/empty30G.qcow2/download"
+        }
+    
+    ],
+    "versions": [
+        {
+            "name": "14.04.5.4",
+            "images": {
+                "hda_disk_image": "empty30G.qcow2",
+                "cdrom_image": "securityonion-14.04.5.4.iso"
+            }
+        },
+        {
+            "name": "14.04.5.3",
+            "images": {
+                "hda_disk_image": "empty30G.qcow2",
+                "cdrom_image": "securityonion-14.04.5.3.iso"
+            }
+        }
+        
+]
+}