diff --git a/easybuild/easyconfigs/b/bzip2/bzip2-1.0.8-GCCcore-13.3.0.eb b/easybuild/easyconfigs/b/bzip2/bzip2-1.0.8-GCCcore-13.3.0.eb
new file mode 100644
index 000000000000..adb4b34a9bb4
--- /dev/null
+++ b/easybuild/easyconfigs/b/bzip2/bzip2-1.0.8-GCCcore-13.3.0.eb
@@ -0,0 +1,27 @@
+name = 'bzip2'
+version = '1.0.8'
+
+homepage = 'https://sourceware.org/bzip2'
+description = """
+ bzip2 is a freely available, patent free, high-quality data compressor. It
+ typically compresses files to within 10% to 15% of the best available
+ techniques (the PPM family of statistical compressors), whilst being around
+ twice as fast at compression and six times faster at decompression.
+"""
+
+toolchain = {'name': 'GCCcore', 'version': '13.3.0'}
+toolchainopts = {'pic': True}
+
+source_urls = ['https://sourceware.org/pub/%(name)s/']
+sources = [SOURCE_TAR_GZ]
+patches = ['bzip2-%(version)s-pkgconfig.patch']
+checksums = [
+    'ab5a03176ee106d3f0fa90e381da478ddae405918153cca248e682cd0c4a2269',  # bzip2-1.0.8.tar.gz
+    '9299e8ee4d014ea973777b6ea90661fe329dfa991f822add4c763ea9ddb9aab1',  # bzip2-1.0.8-pkgconfig.patch
+]
+
+builddependencies = [
+    ('binutils', '2.42'),
+]
+
+moduleclass = 'tools'
diff --git a/easybuild/easyconfigs/c/CMake/CMake-3.29.3-GCCcore-13.3.0.eb b/easybuild/easyconfigs/c/CMake/CMake-3.29.3-GCCcore-13.3.0.eb
new file mode 100644
index 000000000000..d8c9cce51cad
--- /dev/null
+++ b/easybuild/easyconfigs/c/CMake/CMake-3.29.3-GCCcore-13.3.0.eb
@@ -0,0 +1,30 @@
+name = 'CMake'
+version = '3.29.3'
+
+homepage = 'https://www.cmake.org'
+
+description = """
+ CMake, the cross-platform, open-source build system.  CMake is a family of
+ tools designed to build, test and package software.
+"""
+
+toolchain = {'name': 'GCCcore', 'version': '13.3.0'}
+
+source_urls = ['https://www.cmake.org/files/v%(version_major_minor)s']
+sources = [SOURCELOWER_TAR_GZ]
+checksums = ['252aee1448d49caa04954fd5e27d189dd51570557313e7b281636716a238bccb']
+
+builddependencies = [
+    ('binutils', '2.42'),
+]
+
+dependencies = [
+    ('ncurses', '6.5'),
+    ('zlib', '1.3.1'),
+    ('bzip2', '1.0.8'),
+    ('cURL', '8.7.1'),
+    ('libarchive', '3.7.4'),
+    ('OpenSSL', '3', '', SYSTEM),
+]
+
+moduleclass = 'devel'
diff --git a/easybuild/easyconfigs/c/cURL/cURL-8.7.1-GCCcore-13.3.0.eb b/easybuild/easyconfigs/c/cURL/cURL-8.7.1-GCCcore-13.3.0.eb
new file mode 100644
index 000000000000..024702209710
--- /dev/null
+++ b/easybuild/easyconfigs/c/cURL/cURL-8.7.1-GCCcore-13.3.0.eb
@@ -0,0 +1,43 @@
+easyblock = 'ConfigureMake'
+
+name = 'cURL'
+version = '8.7.1'
+
+homepage = 'https://curl.haxx.se'
+
+description = """
+ libcurl is a free and easy-to-use client-side URL transfer library,
+ supporting DICT, FILE, FTP, FTPS, Gopher, HTTP, HTTPS, IMAP, IMAPS, LDAP,
+ LDAPS, POP3, POP3S, RTMP, RTSP, SCP, SFTP, SMTP, SMTPS, Telnet and TFTP.
+ libcurl supports SSL certificates, HTTP POST, HTTP PUT, FTP uploading, HTTP
+ form based upload, proxies, cookies, user+password authentication (Basic,
+ Digest, NTLM, Negotiate, Kerberos), file transfer resume, http proxy tunneling
+ and more.
+"""
+
+toolchain = {'name': 'GCCcore', 'version': '13.3.0'}
+
+source_urls = ['https://curl.haxx.se/download/']
+sources = [SOURCELOWER_TAR_GZ]
+checksums = ['f91249c87f68ea00cf27c44fdfa5a78423e41e71b7d408e5901a9896d905c495']
+
+builddependencies = [
+    ('binutils', '2.42'),
+]
+
+dependencies = [
+    ('zlib', '1.3.1'),
+    ('OpenSSL', '3', '', SYSTEM),
+]
+
+configopts = '--with-zlib '
+configopts += '--with-ssl=$EBROOTOPENSSL '
+
+modextravars = {'CURL_INCLUDES': '%(installdir)s/include'}
+
+sanity_check_paths = {
+    'files': ['bin/curl', 'lib/libcurl.a', 'lib/libcurl.%s' % SHLIB_EXT],
+    'dirs': ['lib/pkgconfig', 'include/curl'],
+}
+
+moduleclass = 'tools'
diff --git a/easybuild/easyconfigs/l/libarchive/libarchive-3.7.4-GCCcore-13.3.0.eb b/easybuild/easyconfigs/l/libarchive/libarchive-3.7.4-GCCcore-13.3.0.eb
new file mode 100644
index 000000000000..d15d73813186
--- /dev/null
+++ b/easybuild/easyconfigs/l/libarchive/libarchive-3.7.4-GCCcore-13.3.0.eb
@@ -0,0 +1,35 @@
+easyblock = 'ConfigureMake'
+
+name = 'libarchive'
+version = '3.7.4'
+
+homepage = 'https://www.libarchive.org/'
+
+description = """
+ Multi-format archive and compression library
+"""
+
+toolchain = {'name': 'GCCcore', 'version': '13.3.0'}
+
+source_urls = ['https://www.libarchive.org/downloads/']
+sources = [SOURCE_TAR_GZ]
+checksums = [
+    {'libarchive-3.7.4.tar.gz': '7875d49596286055b52439ed42f044bd8ad426aa4cc5aabd96bfe7abb971d5e8'},
+]
+
+builddependencies = [
+    ('binutils', '2.42'),
+]
+
+dependencies = [
+    ('zlib', '1.3.1'),
+    ('XZ', '5.4.5'),
+    ('OpenSSL', '3', '', SYSTEM),
+]
+
+sanity_check_paths = {
+    'files': ['include/archive.h', 'lib/libarchive.%s' % SHLIB_EXT],
+    'dirs': ['bin', 'share/man/man3'],
+}
+
+moduleclass = 'tools'
diff --git a/easybuild/easyconfigs/u/UnZip/UnZip-6.0-GCCcore-13.3.0.eb b/easybuild/easyconfigs/u/UnZip/UnZip-6.0-GCCcore-13.3.0.eb
new file mode 100644
index 000000000000..08f61c7f44cd
--- /dev/null
+++ b/easybuild/easyconfigs/u/UnZip/UnZip-6.0-GCCcore-13.3.0.eb
@@ -0,0 +1,59 @@
+easyblock = 'ConfigureMake'
+
+name = 'UnZip'
+version = '6.0'
+
+homepage = 'http://www.info-zip.org/UnZip.html'
+description = """UnZip is an extraction utility for archives compressed
+in .zip format (also called "zipfiles"). Although highly compatible both
+with PKWARE's PKZIP and PKUNZIP utilities for MS-DOS and with Info-ZIP's
+own Zip program, our primary objectives have been portability and
+non-MSDOS functionality."""
+
+toolchain = {'name': 'GCCcore', 'version': '13.3.0'}
+
+source_urls = ['https://download.sourceforge.net/infozip']
+sources = ['%(namelower)s%(version_major)s%(version_minor)s.tar.gz']
+patches = [
+    'UnZip-%(version)s_various-security-and-other-fixes-from-Ubuntu.patch',
+]
+checksums = [
+    '036d96991646d0449ed0aa952e4fbe21b476ce994abc276e49d30e686708bd37',  # unzip60.tar.gz
+    # UnZip-6.0_various-security-and-other-fixes-from-Ubuntu.patch
+    '06b9307fd5aa018896bd4126818c00c1fd284a06cc3681cf0492f951ebb57ffe',
+]
+
+builddependencies = [
+    ('binutils', '2.42'),
+]
+
+dependencies = [
+    ('bzip2', '1.0.8'),
+]
+
+skipsteps = ['configure']
+
+local_cf = ['$CFLAGS', '$CPPFLAGS', '-I.', '-DACORN_FTYPE_NFS', '-DWILD_STOP_AT_DIR', '-DLARGE_FILE_SUPPORT'
+            '-DUNICODE_SUPPORT', '-DUNICODE_WCHAR', '-DUTF8_MAYBE_NATIVE', '-DNO_LCHMOD', '-DDATE_FORMAT=DF_YMD',
+            '-DUSE_BZIP2', '-DIZ_HAVE_UXUIDGID', '-DNOMEMCPY', '-DNO_WORKING_ISPRINT']
+
+buildopts = ' '.join([
+    "-f unix/Makefile",
+    'CC="$CC"',
+    'D_USE_BZ2=-DUSE_BZIP2',
+    'L_BZ2=-lbz2',
+    'LF2="$LDFLAGS"',
+    'CF="%s"' % ' '.join(local_cf),
+    'unzips',
+])
+
+installopts = '-f unix/Makefile prefix=%(installdir)s '
+
+sanity_check_paths = {
+    'files': ['bin/unzip', 'bin/zipinfo'],
+    'dirs': ['man/man1']
+}
+
+sanity_check_commands = ["unzip -v"]
+
+moduleclass = 'tools'