diff --git a/arch.py b/arch.py
index 4c1c12a..2b81880 100644
--- a/arch.py
+++ b/arch.py
@@ -5,7 +5,7 @@ Contains Arch class
 from datetime import datetime, timedelta
 import requests
 from distro import Distro
-from constants import CSC_MIRROR
+from shared import CSC_MIRROR
 
 class Arch(Distro):
     """Arch class"""
diff --git a/ceph.py b/ceph.py
new file mode 100644
index 0000000..fe8f28b
--- /dev/null
+++ b/ceph.py
@@ -0,0 +1,21 @@
+"""
+Contains Ceph class
+"""
+
+from distro import Distro
+from shared import CSC_MIRROR, get_sec
+
+class Ceph(Distro):
+    """Ceph class"""
+    @staticmethod
+    def name():
+        """Get name of Ceph"""
+        return "Ceph"
+
+    @staticmethod
+    def check():
+        """Check if Ceph packages are up-to-date"""
+        official_sec = get_sec("https://download.ceph.com/timestamp")
+        csc_sec = get_sec(f"{CSC_MIRROR}ceph/timestamp")
+        # Out-of-sync by 1 day maximum
+        return official_sec < csc_sec + 86400
diff --git a/constants.py b/constants.py
deleted file mode 100644
index 9de4e7a..0000000
--- a/constants.py
+++ /dev/null
@@ -1,3 +0,0 @@
-"""Contains shared constants"""
-
-CSC_MIRROR = "http://mirror.csclub.uwaterloo.ca/"
diff --git a/debian.py b/debian.py
index 27ce0c1..9238fa8 100644
--- a/debian.py
+++ b/debian.py
@@ -5,7 +5,7 @@ Contains Debian class
 from datetime import datetime, timedelta
 import requests
 from distro import Distro
-from constants import CSC_MIRROR
+from shared import CSC_MIRROR
 
 class Debian(Distro):
     """Debian class"""
diff --git a/eclipse.py b/eclipse.py
new file mode 100644
index 0000000..e413e04
--- /dev/null
+++ b/eclipse.py
@@ -0,0 +1,21 @@
+"""
+Contains Eclipse class
+"""
+
+from distro import Distro
+from shared import CSC_MIRROR, get_sec
+
+class Eclipse(Distro):
+    """Eclipse class"""
+    @staticmethod
+    def name():
+        """Get name of Eclipse"""
+        return "Eclipse"
+
+    @staticmethod
+    def check():
+        """Check if Eclipse packages are up-to-date"""
+        official_sec = get_sec("http://download.eclipse.org/TIME")
+        csc_sec = get_sec(f"{CSC_MIRROR}eclipse/TIME")
+        # Out-of-sync by 2 days maximum
+        return official_sec < csc_sec + 172800
diff --git a/gnu.py b/gnu.py
new file mode 100644
index 0000000..2d23ade
--- /dev/null
+++ b/gnu.py
@@ -0,0 +1,21 @@
+"""
+Contains GNU class
+"""
+
+from distro import Distro
+from shared import CSC_MIRROR, get_sec
+
+class GNU(Distro):
+    """GNU class"""
+    @staticmethod
+    def name():
+        """Get name of GNU"""
+        return "GNU"
+
+    @staticmethod
+    def check():
+        """Check if GNU packages are up-to-date"""
+        official_sec = get_sec("https://mirrors.kernel.org/gnu/mirror-updated-timestamp.txt")
+        csc_sec = get_sec(f"{CSC_MIRROR}gnu/mirror-updated-timestamp.txt")
+        # Out-of-sync by 1 day maximum
+        return official_sec < csc_sec + 86400
diff --git a/kernel.py b/kernel.py
index 47357ed..30e6b83 100644
--- a/kernel.py
+++ b/kernel.py
@@ -4,7 +4,7 @@ Contains Kernel class
 
 import requests
 from distro import Distro
-from constants import CSC_MIRROR
+from shared import CSC_MIRROR
 
 class Kernel(Distro):
     """Kernel class"""
diff --git a/main.py b/main.py
index 7c415e8..54699db 100644
--- a/main.py
+++ b/main.py
@@ -6,7 +6,10 @@ This mirror status checker determines whether CSC mirror is up-to-date with upst
 
 import requests
 from arch import Arch
+from ceph import Ceph
 from debian import Debian
+from eclipse import Eclipse
+from gnu import GNU
 from kernel import Kernel
 from openbsd import OpenBSD
 from dateparser.search import search_dates # this library seems to be super slow but the other library: dateutil.parser gets some errors
@@ -43,7 +46,7 @@ def checker(directory_URL, file_name):
         return('No dates found')
 
 if __name__ == "__main__":
-    """for distro in [Arch, Debian, Kernel, OpenBSD]:
+    """for distro in [Arch, Ceph, Debian, Eclipse, GNU, Kernel, OpenBSD]:
         try:
             distro.print_output(distro.check())
         except requests.exceptions.RequestException as err:
diff --git a/openbsd.py b/openbsd.py
index b18e0ca..75a3709 100644
--- a/openbsd.py
+++ b/openbsd.py
@@ -2,18 +2,11 @@
 Contains OpenBSD class
 """
 
-import requests
 from distro import Distro
-from constants import CSC_MIRROR
+from shared import CSC_MIRROR, get_sec
 
 class OpenBSD(Distro):
     """OpenBSD class"""
-    @staticmethod
-    def __get_sec(timestamp_file_url):
-        """Get OpenBSD seconds since the Epoch from timestamp file"""
-        sec_str = requests.get(timestamp_file_url).text
-        return int(sec_str)
-
     @staticmethod
     def name():
         """Get name of OpenBSD"""
@@ -22,7 +15,7 @@ class OpenBSD(Distro):
     @staticmethod
     def check():
         """Check if OpenBSD packages are up-to-date"""
-        official_sec = OpenBSD.__get_sec("https://ftp.openbsd.org/pub/OpenBSD/timestamp")
-        csc_sec = OpenBSD.__get_sec(f"{CSC_MIRROR}OpenBSD/timestamp")
+        official_sec = get_sec("https://ftp.openbsd.org/pub/OpenBSD/timestamp")
+        csc_sec = get_sec(f"{CSC_MIRROR}OpenBSD/timestamp")
         # Out-of-sync by 1 day maximum
         return official_sec < csc_sec + 86400
diff --git a/shared.py b/shared.py
new file mode 100644
index 0000000..9f3ba69
--- /dev/null
+++ b/shared.py
@@ -0,0 +1,10 @@
+"""Contains shared constants and functions"""
+
+import requests
+
+CSC_MIRROR = "http://mirror.csclub.uwaterloo.ca/"
+
+def get_sec(timestamp_file_url):
+    """Get seconds since the Epoch from timestamp file"""
+    sec_str = requests.get(timestamp_file_url).text
+    return int(sec_str)