diff --git a/Golden_Repo/e/expecttest/expecttest-0.1.3-GCCcore-11.3.0.eb b/Golden_Repo/e/expecttest/expecttest-0.1.3-GCCcore-11.3.0.eb
new file mode 100644
index 0000000000000000000000000000000000000000..30003e96055c352a3557f847ee8fd3306e9f0a73
--- /dev/null
+++ b/Golden_Repo/e/expecttest/expecttest-0.1.3-GCCcore-11.3.0.eb
@@ -0,0 +1,28 @@
+easyblock = 'PythonPackage'
+
+name = 'expecttest'
+version = '0.1.3'
+
+homepage = 'https://github.com/ezyang/expecttest'
+description = """This library implements expect tests (also known as "golden" tests). Expect tests are a method of
+ writing tests where instead of hard-coding the expected output of a test, you run the test to get the output, and
+ the test framework automatically populates the expected output. If the output of the test changes, you can rerun
+ the test with the environment variable EXPECTTEST_ACCEPT=1 to automatically update the expected output."""
+
+toolchain = {'name': 'GCCcore', 'version': '11.3.0'}
+
+sources = [SOURCE_TAR_GZ]
+checksums = ['83057695811d94128aed13ed094a070db90e0a92ea40071f8ee073cbab57149a']
+
+builddependencies = [
+    ('binutils', '2.38'),
+]
+dependencies = [
+    ('Python', '3.10.4'),
+]
+
+download_dep_fail = True
+sanity_pip_check = True
+use_pip = True
+
+moduleclass = 'tools'
diff --git a/Golden_Repo/hidden_deps.txt b/Golden_Repo/hidden_deps.txt
index a4618efdf76f36bf1b966c8c051d3e1979b9e4e9..f40486033dae626cf293a5ba11a96d579ba8d2af 100644
--- a/Golden_Repo/hidden_deps.txt
+++ b/Golden_Repo/hidden_deps.txt
@@ -124,6 +124,7 @@ damageproto
 dbus-glib
 eudev
 expat
+expecttest
 fixesproto
 flatbuffers
 fontconfig
@@ -151,6 +152,7 @@ intltool
 itstool
 jbigkit
 jhbuild
+jbigkit
 jsc-xdg-menu
 kbproto
 libGLU
@@ -280,3 +282,4 @@ xtrans
 yuicompressor
 zfp
 zlib
+zstd
diff --git a/Golden_Repo/m/MPFR/MPFR-4.1.0-GCCcore-11.3.0.eb b/Golden_Repo/m/MPFR/MPFR-4.1.0-GCCcore-11.3.0.eb
new file mode 100644
index 0000000000000000000000000000000000000000..7d929a2fd1b9d2c70a993ab77e5e358d4c97c58e
--- /dev/null
+++ b/Golden_Repo/m/MPFR/MPFR-4.1.0-GCCcore-11.3.0.eb
@@ -0,0 +1,39 @@
+easyblock = 'ConfigureMake'
+
+name = 'MPFR'
+version = '4.1.0'
+
+homepage = 'https://www.mpfr.org'
+
+description = """
+ The MPFR library is a C library for multiple-precision floating-point
+ computations with correct rounding.
+"""
+
+toolchain = {'name': 'GCCcore', 'version': '11.3.0'}
+
+source_urls = ['https://www.mpfr.org/mpfr-%(version)s/']
+sources = [SOURCELOWER_TAR_BZ2]
+checksums = ['feced2d430dd5a97805fa289fed3fc8ff2b094c02d05287fd6133e7f1f0ec926']
+
+builddependencies = [
+    ('binutils', '2.38'),
+]
+
+dependencies = [
+    ('GMP', '6.2.1'),
+]
+
+runtest = 'check'
+
+# copy libmpfr.so* to <installdir>/lib to make sure that it  is picked up by tests
+# when EasyBuild is configured with --rpath, and clean up afterwards (let 'make install' do its job)
+pretestopts = "mkdir -p %%(installdir)s/lib && cp -a src/.libs/libmpfr.%s* %%(installdir)s/lib && " % SHLIB_EXT
+testopts = " && rm -r %(installdir)s/lib"
+
+sanity_check_paths = {
+    'files': ['lib/libmpfr.%s' % SHLIB_EXT, 'include/mpfr.h'],
+    'dirs': [],
+}
+
+moduleclass = 'math'
diff --git a/Golden_Repo/t/tqdm/tqdm-4.64.0-GCCcore-11.3.0.eb b/Golden_Repo/t/tqdm/tqdm-4.64.0-GCCcore-11.3.0.eb
new file mode 100644
index 0000000000000000000000000000000000000000..e3a61555dec5c1ecbd12a5b338f8900b586edf71
--- /dev/null
+++ b/Golden_Repo/t/tqdm/tqdm-4.64.0-GCCcore-11.3.0.eb
@@ -0,0 +1,25 @@
+##
+# Author:    Robert Mijakovic <robert.mijakovic@lxp.lu>
+##
+easyblock = 'PythonPackage'
+
+name = 'tqdm'
+version = '4.64.0'
+
+homepage = "https://github.com/tqdm/tqdm"
+description = """A fast, extensible progress bar for Python and CLI"""
+
+toolchain = {'name': 'GCCcore', 'version': '11.3.0'}
+
+sources = [SOURCE_TAR_GZ]
+checksums = ['40be55d30e200777a307a7585aee69e4eabb46b4ec6a4b4a5f2d9f11e7d5408d']
+
+builddependencies = [('binutils', '2.38')]
+
+dependencies = [('Python', '3.10.4')]
+
+use_pip = True
+download_dep_fail = True
+sanity_pip_check = True
+
+moduleclass = 'lib'
diff --git a/Golden_Repo/z/zstd/zstd-1.5.2-GCCcore-11.3.0.eb b/Golden_Repo/z/zstd/zstd-1.5.2-GCCcore-11.3.0.eb
new file mode 100644
index 0000000000000000000000000000000000000000..643abebdfdb21256c4ce68c904979f36ad60d42e
--- /dev/null
+++ b/Golden_Repo/z/zstd/zstd-1.5.2-GCCcore-11.3.0.eb
@@ -0,0 +1,41 @@
+easyblock = 'ConfigureMake'
+
+name = 'zstd'
+version = '1.5.2'
+
+homepage = 'https://facebook.github.io/zstd'
+description = """Zstandard is a real-time compression algorithm, providing high compression ratios.
+ It offers a very wide range of compression/speed trade-off, while being backed by a very fast decoder.
+ It also offers a special mode for small data, called dictionary compression, and can create dictionaries
+ from any sample set."""
+
+toolchain = {'name': 'GCCcore', 'version': '11.3.0'}
+
+github_account = 'facebook'
+source_urls = [GITHUB_SOURCE]
+sources = ['v%(version)s.tar.gz']
+checksums = ['f7de13462f7a82c29ab865820149e778cbfe01087b3a55b5332707abf9db4a6e']
+
+builddependencies = [
+    ('binutils', '2.38'),
+]
+
+dependencies = [
+    ('zlib', '1.2.12'),
+    ('gzip', '1.12'),
+    ('XZ', '5.2.5'),
+    ('lz4', '1.9.3'),
+]
+
+skipsteps = ['configure']
+
+runtest = 'check'
+
+installopts = "PREFIX=%(installdir)s"
+
+sanity_check_paths = {
+    'files': ["bin/zstd", "lib/libzstd.%s" % SHLIB_EXT, "include/zstd.h"],
+    'dirs': ["lib/pkgconfig"]
+}
+
+moduleclass = 'lib'