diff --git a/easybuild/easyconfigs/a/ANTLR/ANTLR-2.7.7-GCCcore-13.3.0-Java-21.0.2.eb b/easybuild/easyconfigs/a/ANTLR/ANTLR-2.7.7-GCCcore-13.3.0-Java-21.0.2.eb
new file mode 100644
index 000000000000..333a0374279c
--- /dev/null
+++ b/easybuild/easyconfigs/a/ANTLR/ANTLR-2.7.7-GCCcore-13.3.0-Java-21.0.2.eb
@@ -0,0 +1,36 @@
+easyblock = 'ConfigureMake'
+
+name = 'ANTLR'
+version = '2.7.7'
+versionsuffix = '-Java-%(javaver)s'
+
+homepage = 'https://www.antlr2.org/'
+description = """ANTLR, ANother Tool for Language Recognition, (formerly PCCTS)
+ is a language tool that provides a framework for constructing recognizers,
+ compilers, and translators from grammatical descriptions containing
+ Java, C#, C++, or Python actions."""
+
+toolchain = {'name': 'GCCcore', 'version': '13.3.0'}
+
+source_urls = ['https://www.antlr2.org/download/']
+sources = [SOURCELOWER_TAR_GZ]
+patches = ['%(name)s-%(version)s_includes.patch']
+checksums = [
+    '853aeb021aef7586bda29e74a6b03006bcb565a755c86b66032d8ec31b67dbb9',  # antlr-2.7.7.tar.gz
+    'd167d3248a03301bc93efcb37d5df959aae6794968e42231af0b0dd26d6a2e66',  # ANTLR-2.7.7_includes.patch
+]
+
+builddependencies = [('binutils', '2.42')]
+
+dependencies = [('Java', '21.0.2', '', SYSTEM)]
+
+configopts = '--disable-examples --disable-csharp --disable-python'
+
+sanity_check_paths = {
+    'files': ['bin/antlr', 'bin/antlr-config'],
+    'dirs': ['include'],
+}
+
+sanity_check_commands = ["antlr --help"]
+
+moduleclass = 'tools'
diff --git a/easybuild/easyconfigs/e/ESMF/ESMF-8.7.0-foss-2024a.eb b/easybuild/easyconfigs/e/ESMF/ESMF-8.7.0-foss-2024a.eb
new file mode 100644
index 000000000000..a659656f7541
--- /dev/null
+++ b/easybuild/easyconfigs/e/ESMF/ESMF-8.7.0-foss-2024a.eb
@@ -0,0 +1,37 @@
+name = 'ESMF'
+version = '8.7.0'
+
+homepage = 'https://www.earthsystemcog.org/projects/esmf/'
+description = """The Earth System Modeling Framework (ESMF) is a suite of software tools for developing
+ high-performance, multi-component Earth science modeling applications."""
+
+toolchain = {'name': 'foss', 'version': '2024a'}
+toolchainopts = {'usempi': True, 'openmp': True, 'cstd': 'c++11', 'pic': True}
+
+source_urls = ['https://github.com/esmf-org/esmf/archive/']
+sources = ['v%(version)s.tar.gz']
+patches = ['ESMF-6.1.1_libopts.patch']
+checksums = [
+    {'v8.7.0.tar.gz': 'd7ab266e2af8c8b230721d4df59e61aa03c612a95cc39c07a2d5695746f21f56'},
+    {'ESMF-6.1.1_libopts.patch': '3851627f07c32a7da55d99072d619942bd3a1d9dd002e1557716158e7aacdaf4'},
+]
+
+builddependencies = [('CMake', '3.29.3')]
+
+dependencies = [
+    ('netCDF', '4.9.2'),
+    ('netCDF-Fortran', '4.6.1'),
+    ('netCDF-C++4', '4.3.1'),
+    ('libarchive', '3.7.4'),
+]
+
+# disable errors from GCC 10 on mismatches between actual and dummy argument lists (GCC 9 behaviour)
+prebuildopts = 'ESMF_F90COMPILEOPTS="${ESMF_F90COMPILEOPTS} -fallow-argument-mismatch"'
+
+buildopts = 'ESMF_NETCDF_INCLUDE=$EBROOTNETCDFMINFORTRAN/include '
+buildopts += 'ESMF_NETCDF_LIBS="`nc-config --libs` `nf-config --flibs` `ncxx4-config --libs`"'
+
+# too parallel causes the build to become really slow
+maxparallel = 8
+
+moduleclass = 'geo'
diff --git a/easybuild/easyconfigs/l/libdap/libdap-3.21.0-131-GCCcore-13.3.0.eb b/easybuild/easyconfigs/l/libdap/libdap-3.21.0-131-GCCcore-13.3.0.eb
new file mode 100644
index 000000000000..ef7029f258f9
--- /dev/null
+++ b/easybuild/easyconfigs/l/libdap/libdap-3.21.0-131-GCCcore-13.3.0.eb
@@ -0,0 +1,40 @@
+easyblock = 'ConfigureMake'
+
+name = 'libdap'
+version = '3.21.0-131'
+
+homepage = 'https://www.opendap.org/software/libdap'
+description = """A C++ SDK which contains an implementation of DAP 2.0 and
+ DAP4.0. This includes both Client- and Server-side support classes."""
+
+toolchain = {'name': 'GCCcore', 'version': '13.3.0'}
+
+source_urls = ['https://github.com/OPENDAP/libdap4/archive/refs/tags/']
+sources = ['%(version)s.tar.gz']
+checksums = ['c06b30e108608bc40dcb15df57302af4511023801dca004edb3f2df2cc0a72cc']
+
+builddependencies = [
+    ('binutils', '2.42'),
+    ('Bison', '3.8.2'),
+    ('flex', '2.6.4'),
+    ('Autotools', '20231222'),
+]
+
+dependencies = [
+    ('cURL', '8.7.1'),
+    ('libxml2', '2.12.7'),
+    ('libtirpc', '1.3.5'),
+    ('PCRE', '8.45'),
+    ('util-linux', '2.40'),
+]
+
+preconfigopts = "autoreconf -fi && "
+configopts = 'TIRPC_LIBS="-ltirpc"'
+
+
+sanity_check_paths = {
+    'files': ['bin/getdap', 'bin/getdap4', 'bin/dap-config', 'lib/libdap.a', 'lib/libdap.%s' % SHLIB_EXT],
+    'dirs': ['include'],
+}
+
+moduleclass = 'lib'
diff --git a/easybuild/easyconfigs/n/NCO/NCO-5.2.9-foss-2024a.eb b/easybuild/easyconfigs/n/NCO/NCO-5.2.9-foss-2024a.eb
new file mode 100644
index 000000000000..cf83d3657859
--- /dev/null
+++ b/easybuild/easyconfigs/n/NCO/NCO-5.2.9-foss-2024a.eb
@@ -0,0 +1,44 @@
+easyblock = 'ConfigureMake'
+
+name = 'NCO'
+version = '5.2.9'
+
+homepage = "https://github.com/nco/nco"
+description = """The NCO toolkit manipulates and analyzes data stored in netCDF-accessible formats, 
+including DAP, HDF4, and HDF5."""
+
+toolchain = {'name': 'foss', 'version': '2024a'}
+
+source_urls = ['https://github.com/nco/nco/archive/']
+sources = ['%(version)s.tar.gz']
+checksums = ['6245886e2a18a4821b0fb768cf9906de09aeb47c303462c8e85f0d1a4f34956d']
+
+builddependencies = [
+    ('Bison', '3.8.2'),
+    ('flex', '2.6.4'),
+]
+
+dependencies = [
+    ('UDUNITS', '2.2.28'),
+    ('expat', '2.6.2'),
+    ('ANTLR', '2.7.7', '-Java-21.0.2'),
+    ('libdap', '3.21.0-131'),
+    ('GSL', '2.8'),
+    ('netCDF', '4.9.2'),
+    ('ESMF', '8.7.0'),  # ncremap needs ESMF_RegridWeightGen
+]
+
+configopts = "--enable-nco_cplusplus"
+
+sanity_check_paths = {
+    'files': ['bin/nc%s' % x for x in ('ap2', 'atted', 'bo', 'diff', 'ea', 'ecat', 'es',
+                                       'flint', 'ks', 'pdq', 'ra', 'rcat', 'rename', 'wa')] +
+             ['lib/libnco.a', 'lib/libnco.%s' % SHLIB_EXT, 'lib/libnco_c++.a', 'lib/libnco_c++.%s' % SHLIB_EXT],
+    'dirs': ['include'],
+}
+sanity_check_commands = [
+    "ncks -O -7 --cnk_dmn time,10 "
+    "%(builddir)s/%(namelower)s-%(version)s/data/in.nc %(builddir)s/%(namelower)s-%(version)s/data/in4.cdl"
+]
+
+moduleclass = 'tools'