diff --git a/easybuild/easyconfigs/o/OpenFOAM/OpenFOAM-12-foss-2024a.eb b/easybuild/easyconfigs/o/OpenFOAM/OpenFOAM-12-foss-2024a.eb
new file mode 100644
index 000000000000..84dccfa67f20
--- /dev/null
+++ b/easybuild/easyconfigs/o/OpenFOAM/OpenFOAM-12-foss-2024a.eb
@@ -0,0 +1,40 @@
+name = 'OpenFOAM'
+version = '12'
+
+homepage = 'https://www.openfoam.org/'
+description = """OpenFOAM is a free, open source CFD software package.
+ OpenFOAM has an extensive range of features to solve anything from complex fluid flows
+ involving chemical reactions, turbulence and heat transfer,
+ to solid dynamics and electromagnetics."""
+
+toolchain = {'name': 'foss', 'version': '2024a'}
+toolchainopts = {'vectorize': False}
+
+source_urls = ['https://github.com/OpenFOAM/OpenFOAM-%(version_major)s/archive']
+sources = ['version-%(version)s.tar.gz']
+patches = ['OpenFOAM-12-ThirdParty.patch']
+checksums = [
+    {'version-%(version)s.tar.gz':
+     'e59fad54c62e64f1bb89dbaebe5f99a76dc0a6a91d9aad86042a7c4cef6d0744'},
+    {'OpenFOAM-12-ThirdParty.patch':
+     'b8a9abf3b8479d32d87654d833501f54abe57ceb9f06f7d2412a3e52d20108ec'},
+]
+
+builddependencies = [
+    ('Bison', '3.8.2'),
+    ('CMake', '3.29.3'),
+    ('flex', '2.6.4'),
+]
+
+dependencies = [
+    ('ncurses', '6.5'),
+    # OpenFOAM requires 64 bit METIS using 32 bit indexes (array indexes)
+    ('METIS', '5.1.0'),
+    ('SCOTCH', '7.0.5'),
+    ('CGAL', '5.6.1'),
+    ('ParaView', '5.13.2'),
+    ('gnuplot', '6.0.1'),
+    ('Zoltan', '3.901'),
+]
+
+moduleclass = 'cae'
diff --git a/easybuild/easyconfigs/z/Zoltan/Zoltan-3.901-foss-2024a.eb b/easybuild/easyconfigs/z/Zoltan/Zoltan-3.901-foss-2024a.eb
new file mode 100644
index 000000000000..fd4c03ea6b6b
--- /dev/null
+++ b/easybuild/easyconfigs/z/Zoltan/Zoltan-3.901-foss-2024a.eb
@@ -0,0 +1,46 @@
+# This easyconfig was created by the BEAR Software team at the University of Birmingham.
+easyblock = 'ConfigureMake'
+
+name = 'Zoltan'
+version = '3.901'
+
+homepage = "https://sandialabs.github.io/Zoltan/"
+description = """Zoltan Dynamic Load Balancing and Graph Algorithm Toolkit"""
+
+toolchain = {'name': 'foss', 'version': '2024a'}
+toolchainopts = {'pic': True}
+
+github_account = 'sandialabs'
+source_urls = [GITHUB_SOURCE]
+sources = ['v%(version)s.tar.gz']
+checksums = ['030c22d9f7532d3076e40cba1f03a63b2ee961d8cc9a35149af4a3684922a910']
+
+dependencies = [
+    ('gzip', '1.13'),
+    ('SCOTCH', '7.0.5'),
+    ('ParMETIS', '4.0.3'),
+]
+
+preconfigopts = 'mkdir build && cd build &&'
+configure_cmd = '../configure'
+configopts = ' '.join([
+    '--enable-gzip',
+    '--with-scotch',
+    '--with-scotch-incdir=$EBROOTSCOTCH/include',
+    '--with-scotch-libdir=$EBROOTSCOTCH/lib',
+    '--with-parmetis',
+    '--with-parmetis-incdir=$EBROOTPARMETIS/include',
+    '--with-parmetis-libdir=$EBROOTPARMETIS/lib',
+    '--disable-examples',
+    '--disable-tests',
+])
+prebuildopts = 'cd build &&'
+buildopts = 'everything'
+preinstallopts = 'cd build &&'
+
+sanity_check_paths = {
+    'files': ['lib/libzoltan.a', 'include/zoltan.h'],
+    'dirs': [],
+}
+
+moduleclass = 'cae'