diff --git a/tools/install/install_gcc.sh b/tools/install/install_gcc.sh
new file mode 100755
index 0000000000000000000000000000000000000000..6eda8ea71fb52352ab2e10d0c30b6dab60ead07f
--- /dev/null
+++ b/tools/install/install_gcc.sh
@@ -0,0 +1,15 @@
+set -e
+set -x
+
+# gcc
+apt update -y
+apt install build-essential -y
+apt install software-properties-common -y
+add-apt-repository ppa:ubuntu-toolchain-r/test
+apt install gcc-8 g++-8 -y
+update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-8 80
+update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-8 80
+update-alternatives --config gcc
+
+# gfortran
+apt-get install gfortran-8
diff --git a/tools/install/install_kaldi.sh b/tools/install/install_kaldi.sh
new file mode 100755
index 0000000000000000000000000000000000000000..545fbe4ee95eb15f6a5ef19c454f4854f7073c81
--- /dev/null
+++ b/tools/install/install_kaldi.sh
@@ -0,0 +1,34 @@
+#!/bin/bash
+
+# Installation script for Kaldi
+#
+set -e
+
+apt-get install subversion -y
+
+KALDI_GIT="--depth 1 -b master https://github.com/kaldi-asr/kaldi.git"
+
+KALDI_DIR="$PWD/kaldi"
+
+if [ ! -d "$KALDI_DIR" ]; then
+    git clone $KALDI_GIT $KALDI_DIR
+else
+    echo "$KALDI_DIR already exists!"
+fi
+
+cd "$KALDI_DIR/tools"
+git pull
+
+# Prevent kaldi from switching default python version
+mkdir -p "python"
+touch "python/.use_default_python"
+
+./extras/check_dependencies.sh
+
+make -j4
+
+cd ../src
+./configure --shared --use-cuda=no --static-math
+make clean -j && make depend -j && make -j4
+
+echo "Done installing Kaldi."
diff --git a/tools/install/install_openblas.sh b/tools/install/install_openblas.sh
new file mode 100755
index 0000000000000000000000000000000000000000..b1e4d3da8de7aab3a6b02f8c729c18805c1bec04
--- /dev/null
+++ b/tools/install/install_openblas.sh
@@ -0,0 +1,39 @@
+#!/usr/bin/env bash
+
+OPENBLAS_VERSION=0.3.13
+
+WGET=${WGET:-wget}
+
+set -e
+
+if ! command -v gfortran 2>/dev/null; then
+    echo "$0: gfortran is not installed.  Please install it, e.g. by:"
+    echo " apt-get install gfortran"
+    echo "(if on Debian or Ubuntu), or:"
+    echo " yum install gcc-gfortran"
+    echo "(if on RedHat/CentOS).  On a Mac, if brew is installed, it's:"
+    echo " brew install gfortran"
+    exit 1
+fi
+
+
+tarball=OpenBLAS-$OPENBLAS_VERSION.tar.gz
+
+rm -rf xianyi-OpenBLAS-* OpenBLAS OpenBLAS-*.tar.gz
+
+if [ -d "$DOWNLOAD_DIR" ]; then
+    cp -p "$DOWNLOAD_DIR/$tarball" .
+else
+    url=$($WGET -qO- "https://api.github.com/repos/xianyi/OpenBLAS/releases/tags/v${OPENBLAS_VERSION}" | python -c 'import sys,json;print(json.load(sys.stdin)["tarball_url"])')
+    test -n "$url"
+    $WGET -t3 -nv -O $tarball "$url"
+fi
+
+tar xzf $tarball
+mv xianyi-OpenBLAS-* OpenBLAS
+
+make PREFIX=$(pwd)/OpenBLAS/install USE_LOCKING=1 USE_THREAD=0 -C OpenBLAS all install
+if [ $? -eq 0 ]; then
+    echo "OpenBLAS is installed successfully."
+    rm $tarball
+fi
diff --git a/tools/install/ngram.sh b/tools/install/ngram.sh
new file mode 100755
index 0000000000000000000000000000000000000000..304bb93d0d14ba04f4c967568f3a62bbb9b78ac1
--- /dev/null
+++ b/tools/install/ngram.sh
@@ -0,0 +1,17 @@
+set -e
+set -x
+
+# need support c++17, so need gcc >= 8
+# openfst
+ngram=ngram-1.3.13
+shared=true
+
+test -e ${ngram}.tar.gz || wget http://www.openfst.org/twiki/pub/GRM/NGramDownload/${ngram}.tar.gz
+test -d ${ngram} || tar -xvf ${ngram}.tar.gz && chown -R root:root ${ngram}
+
+if [ $shared == true ];then
+    pushd ${ngram} && ./configure --enable-shared && popd
+else
+    pushd ${ngram} && ./configure --enable-static && popd
+fi
+pushd ${ngram} && make -j &&  make install && popd
diff --git a/tools/install/openfst.sh b/tools/install/openfst.sh
new file mode 100755
index 0000000000000000000000000000000000000000..8c6a457482b5174064b5c6fab2410b83bbb49552
--- /dev/null
+++ b/tools/install/openfst.sh
@@ -0,0 +1,21 @@
+set -e
+set -x
+
+# need support c++17, so need gcc >= 8
+# openfst
+openfst=openfst-1.8.1
+shared=true
+
+test -e ${openfst}.tar.gz || wget http://www.openfst.org/twiki/pub/FST/FstDownload/${openfst}.tar.gz
+test -d ${openfst} || tar -xvf ${openfst}.tar.gz && chown -R root:root ${openfst}
+
+wfst_so_path=$(python3 -c 'import sysconfig; import os; from pathlib import Path; site = sysconfig.get_paths()["purelib"]; site=Path(site); suffix = ("/usr/local/lib",) + site.parts[-2:]; print(os.path.join(*suffix));')
+
+if [ $shared == true ];then
+    pushd ${openfst} && ./configure --enable-shared --enable-compact-fsts  --enable-compress   --enable-const-fsts   --enable-far    --enable-linear-fsts   --enable-lookahead-fsts  --enable-mpdt  --enable-ngram-fsts   --enable-pdt    --enable-python   --enable-special  --enable-bin  --enable-grm --prefix ${PWD}/output && popd
+else
+    pushd ${openfst} && ./configure --enable-static --enable-compact-fsts  --enable-compress   --enable-const-fsts   --enable-far    --enable-linear-fsts   --enable-lookahead-fsts  --enable-mpdt  --enable-ngram-fsts   --enable-pdt    --enable-python   --enable-special  --enable-bin  --enable-grm --prefix ${PWD}/output && popd
+fi
+pushd ${openfst} && make -j &&  make install && popd
+
+cp ${wfst_so_path}/pywrapfst.* $(python3 -c 'import sysconfig; print(sysconfig.get_paths()["purelib"])')
diff --git a/tools/install/pynini.sh b/tools/install/pynini.sh
new file mode 100755
index 0000000000000000000000000000000000000000..a6f86f5502bffa4f1f4d9254326e082f0a6a3c63
--- /dev/null
+++ b/tools/install/pynini.sh
@@ -0,0 +1,13 @@
+set -e
+set -x
+
+pynini=pynini-2.1.4
+
+test -e ${pynini}.tar.gz || wget http://www.openfst.org/twiki/pub/GRM/PyniniDownload/${pynini}.tar.gz
+test -d ${pynini} || tar -xvf ${pynini}.tar.gz && chown -R root:root ${pynini}
+
+#wfst_so_path=$(python3 -c 'import sysconfig; import os; from pathlib import Path; site = sysconfig.get_paths()["purelib"]; site=Path(site); suffix = ("/usr/local/lib",) + site.parts[-2:]; print(os.path.join(*suffix));')
+
+pushd ${pynini} &&  python setup.py install && popd
+
+#cp ${wfst_so_path}/pywrapfst.* $(python3 -c 'import sysconfig; print(sysconfig.get_paths()["purelib"])')