diff --git a/easybuild/easyconfigs/a/Armadillo/Armadillo-14.0.3-foss-2024a.eb b/easybuild/easyconfigs/a/Armadillo/Armadillo-14.0.3-foss-2024a.eb
new file mode 100644
index 000000000000..68036ea413e0
--- /dev/null
+++ b/easybuild/easyconfigs/a/Armadillo/Armadillo-14.0.3-foss-2024a.eb
@@ -0,0 +1,25 @@
+name = 'Armadillo'
+version = '14.0.3'
+
+homepage = 'https://arma.sourceforge.net/'
+description = """Armadillo is an open-source C++ linear algebra library (matrix maths) aiming towards
+ a good balance between speed and ease of use. Integer, floating point and complex numbers are supported,
+ as well as a subset of trigonometric and statistics functions."""
+
+toolchain = {'name': 'foss', 'version': '2024a'}
+
+source_urls = ['https://sourceforge.net/projects/arma/files']
+sources = [SOURCELOWER_TAR_XZ]
+checksums = ['ebd6215eeb01ee412fed078c8a9f7f87d4e1f6187ebcdc1bc09f46095a4f4003']
+
+builddependencies = [
+    ('CMake', '3.29.3'),
+]
+dependencies = [
+    ('Boost', '1.85.0'),
+    ('HDF5', '1.14.5'),
+    ('arpack-ng', '3.9.1'),
+]
+
+
+moduleclass = 'numlib'
diff --git a/easybuild/easyconfigs/a/arpack-ng/arpack-ng-3.9.1-foss-2024a.eb b/easybuild/easyconfigs/a/arpack-ng/arpack-ng-3.9.1-foss-2024a.eb
new file mode 100644
index 000000000000..29d5a002190a
--- /dev/null
+++ b/easybuild/easyconfigs/a/arpack-ng/arpack-ng-3.9.1-foss-2024a.eb
@@ -0,0 +1,36 @@
+# Author:    Robert Mijakovic <robert.mijakovic@lxp.lu>
+
+easyblock = 'ConfigureMake'
+
+name = 'arpack-ng'
+version = '3.9.1'
+
+homepage = 'https://github.com/opencollab/arpack-ng'
+description = "ARPACK is a collection of Fortran77 subroutines designed to solve large scale eigenvalue problems."
+
+toolchain = {'name': 'foss', 'version': '2024a'}
+toolchainopts = {'pic': True, 'usempi': True}
+
+source_urls = [GITHUB_SOURCE]
+sources = ['%(version)s.tar.gz']
+checksums = ['f6641deb07fa69165b7815de9008af3ea47eb39b2bb97521fbf74c97aba6e844']
+
+builddependencies = [
+    ('Autotools', '20231222'),
+    ('pkgconf', '2.2.0'),
+]
+dependencies = [
+    ('Eigen', '3.4.0'),
+]
+
+preconfigopts = "sh bootstrap && "
+configopts = '--enable-mpi --with-pic --with-blas="$LIBBLAS" --with-lapack="$LIBLAPACK"'
+
+github_account = 'opencollab'
+
+sanity_check_paths = {
+    'files': ['lib64/libarpack.la', 'lib64/libarpack.so', 'lib64/libparpack.la', 'lib64/libparpack.so'],
+    'dirs': [],
+}
+
+moduleclass = 'numlib'