diff --git a/CMakeLists.txt b/CMakeLists.txt
index 42f1660..c297cdd 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -76,6 +76,7 @@ option(BUILD_TESTING "Build tests")
 option(BUILD_FUZZING "Build tests")
 option(LIBCLANG_PATH "Use custom path for libclang")
 option(LIBLLDB_PATH "Use custom path for liblldb")
+option(FLATPAK_SANDBOX "Runs from within a flatpak sandbox") # This is forwarded to the tiny-process-library submodule
 
 find_package(Boost 1.54 COMPONENTS REQUIRED filesystem serialization)
 find_package(ASPELL REQUIRED)
diff --git a/jucipp.yaml b/jucipp.yaml
new file mode 100644
index 0000000..ced0cff
--- /dev/null
+++ b/jucipp.yaml
@@ -0,0 +1,234 @@
+id: com.gitlab.cppit.jucipp
+command: juci
+
+# Install via: flatpak install flathub org.gnome.Platform//42 org.gnome.Sdk//42
+runtime: org.gnome.Platform
+runtime-version: '42'
+sdk: org.gnome.Sdk
+sdk-extensions:
+  # Install via: flatpak install flathub org.freedesktop.Sdk.Extension.llvm14
+  - org.freedesktop.Sdk.Extension.llvm14
+
+rename-desktop-file: juci.desktop
+rename-icon: juci
+finish-args:
+  - --socket=x11
+  - --share=ipc # somewhat required by X11
+  - --socket=wayland
+  - --share=network # Unix sockets are e.g. used by X11
+  - --filesystem=host:rw # access all files on the host
+  - --filesystem=home:rw # access all files on the host
+  - --talk-name=org.freedesktop.Flatpak # allows to run processes outside of flatpak sandbox
+  - --persist=.juci # persist configuration
+
+modules:
+  - name: boost
+    buildsystem: simple
+    sources:
+      - type: archive
+        url: https://boostorg.jfrog.io/artifactory/main/release/1.79.0/source/boost_1_79_0.tar.bz2
+        sha256: 475d589d51a7f8b3ba2ba4eda022b170e562ca3b760ee922c146b6c65856ef39
+    build-commands:
+      - ./bootstrap.sh --prefix="${FLATPAK_DEST}" --with-libraries=filesystem,serialization
+      - ./b2 -j $FLATPAK_BUILDER_N_JOBS install
+    cleanup:
+      - /include
+      - '/lib/libboost_*.a'
+      - /lib/cmake
+      - /lib/debug
+      - /lib/pkgconfig
+
+  - name: mm-common # build-dependency of gtkmm
+    sources:
+      - type: archive
+        url: https://download.gnome.org/sources/mm-common/1.0/mm-common-1.0.4.tar.xz
+        sha256: e954c09b4309a7ef93e13b69260acdc5738c907477eb381b78bb1e414ee6dbd8
+    cleanup:
+      - '*'
+
+  - name: sigc++-2 # dependency of gtkmm
+    buildsystem: autotools
+    config-opts:
+      - --disable-documentation
+    sources:
+      - type: archive
+        url: https://download.gnome.org/sources/libsigc%2B%2B/2.10/libsigc%2B%2B-2.10.8.tar.xz
+        sha256: 235a40bec7346c7b82b6a8caae0456353dc06e71f14bc414bcc858af1838719a
+    cleanup:
+      - /include
+      - /lib/debug
+      - /lib/sigc++-2.0
+      - /lib/pkgconfig
+      - /lib/libsigc-2.0.la
+
+  - name: glibmm # dependency of gtkmm
+    buildsystem: meson
+    sources:
+      - type: archive
+        url: https://download.gnome.org/sources/glibmm/2.66/glibmm-2.66.2.tar.xz
+        sha256: b2a4cd7b9ae987794cbb5a1becc10cecb65182b9bb841868625d6bbb123edb1d
+    cleanup:
+      - /include
+      - /lib/debug
+      - /lib/giomm-2.4
+      - /lib/glibmm-2.4
+      - /lib/pkgconfig
+
+  - name: cairomm # dependency of gtkmm
+    buildsystem: autotools
+    config-opts:
+      - --disable-documentation
+    sources:
+      - type: archive
+        url: https://www.cairographics.org/releases/cairomm-1.14.3.tar.xz
+        sha256: 0d37e067c5c4ca7808b7ceddabfe1932c5bd2a750ad64fb321e1213536297e78
+    cleanup:
+      - /include
+      - /lib/cairomm-1.0
+      - /lib/debug
+      - /lib/pkgconfig
+      - /lib/libcairomm-1.0.la
+
+  - name: pangomm # dependency of gtkmm
+    buildsystem: meson
+    sources:
+      - type: archive
+        url: https://download.gnome.org/sources/pangomm/2.46/pangomm-2.46.2.tar.xz
+        sha256: 57442ab4dc043877bfe3839915731ab2d693fc6634a71614422fb530c9eaa6f4
+    cleanup:
+      - /include
+      - /lib/debug
+      - /lib/pangomm-1.4
+      - /lib/pkgconfig
+
+  - name: atkmm # dependency of gtkmm
+    buildsystem: meson
+    sources:
+      - type: archive
+        url: https://download.gnome.org/sources/atkmm/2.28/atkmm-2.28.2.tar.xz
+        sha256: a0bb49765ceccc293ab2c6735ba100431807d384ffa14c2ebd30e07993fd2fa4
+    cleanup:
+      - /include
+      - /lib/atkmm-1.6
+      - /lib/debug
+      - /lib/pkgconfig
+
+  - name: gtkmm
+    buildsystem: meson
+    sources:
+      - type: archive
+        url: https://download.gnome.org/sources/gtkmm/3.24/gtkmm-3.24.5.tar.xz
+        sha256: 856333de86689f6a81c123f2db15d85db9addc438bc3574c36f15736aeae22e6
+    cleanup:
+      - /include
+      - /lib/debug
+      - /lib/gdkmm-3.0
+      - /lib/gtkmm-3.0
+      - /lib/pkgconfig
+
+  - name: gtksourceview # dependency of gtksourceviewmm
+    buildsystem: autotools
+    config-opts:
+      - --disable-documentation
+    sources:
+      - type: archive
+        url: https://download.gnome.org/sources/gtksourceview/3.24/gtksourceview-3.24.11.tar.xz
+        sha256: 691b074a37b2a307f7f48edc5b8c7afa7301709be56378ccf9cc9735909077fd
+    cleanup:
+      - /include
+      - /lib/debug
+      - /lib/pkgconfig
+      - /lib/libgtksourceview-3.0.la
+      - /share/gtk-doc
+      - /share/vala
+
+  - name: gtksourceviewmm
+    buildsystem: autotools
+    config-opts:
+      - --disable-documentation
+    sources:
+      - type: archive
+        url: https://download.gnome.org/sources/gtksourceviewmm/3.21/gtksourceviewmm-3.21.3.tar.xz
+        sha256: dbb00b1c28e0407cc27d8b07a2ed0b4ea22f92e4b3e3006431cbd6726b6256b5
+    cleanup:
+      - /include
+      - /lib/debug
+      - /lib/gtksourceviewmm-3.0
+      - /lib/pkgconfig
+      - /lib/libgtksourceviewmm-3.0.la
+
+  - name: ncurses # build-depencendy of aspell (required to build aspell executable)
+    buildsystem: autotools
+    sources:
+      - type: archive
+        url: https://ftp.gnu.org/gnu/ncurses/ncurses-6.3.tar.gz
+        sha256: 97fc51ac2b085d4cde31ef4d2c3122c21abc217e9090a43a30fc5ec21684e059
+    cleanup:
+      - '*'
+
+  - name: aspell
+    buildsystem: autotools
+    sources:
+      - type: archive
+        url: https://ftp.gnu.org/gnu/aspell/aspell-0.60.8.tar.gz
+        sha256: f9b77e515334a751b2e60daab5db23499e26c9209f5e7b7443b05235ad0226f2
+    cleanup:
+      - /bin
+      - /include
+      - /lib/debug
+      - /lib/pkgconfig
+      - /lib/libaspell.la
+      - '/lib/libpspell.*'
+      - /share/info
+      - /share/man
+
+  - name: aspell-en
+    buildsystem: simple
+    sources:
+      - type: archive
+        url: https://ftp.gnu.org/gnu/aspell/dict/en/aspell6-en-2020.12.07-0.tar.bz2
+        sha256: 4c8f734a28a088b88bb6481fcf972d0b2c3dc8da944f7673283ce487eac49fb3
+    build-commands:
+      - ./configure
+      - make -j $FLATPAK_BUILDER_N_JOBS
+      - make install
+
+  - name: libgit2
+    buildsystem: cmake
+    config-opts:
+      - -DBUILD_TESTS=OFF
+    sources:
+      - type: archive
+        url: https://github.com/libgit2/libgit2/archive/refs/tags/v1.4.3.tar.gz
+        sha256: f48b961e463a9e4e7e7e58b21a0fb5a9b2a1d24d9ba4d15870a0c9b8ad965163
+    cleanup:
+      - /include
+      - /lib/debug
+      - /lib/pkgconfig
+
+  - name: jucipp
+    buildsystem: simple
+    build-options:
+      append-path: /usr/lib/sdk/llvm14/bin
+      prepend-ld-library-path: /usr/lib/sdk/llvm14/lib
+    sources:
+      - type: git
+        branch: gcc11_fix
+        url: https://gitlab.com/cppit/jucipp.git
+    build-commands:
+      - cp -r /usr/lib/sdk/llvm14/lib/* /app/lib/
+      - cp -r /usr/lib/sdk/llvm14/include/* /app/include/
+      - cmake -DCMAKE_INSTALL_PREFIX=${FLATPAK_DEST} -DFLATPAK_SANDBOX=ON .
+      - cmake --build . -- -j $FLATPAK_BUILDER_N_JOBS
+      - make install
+    cleanup:
+      - /include
+      - /lib/clang
+      - /lib/cmake
+      - /lib/debug/lib
+      - /lib/libear
+      - /lib/libscanbuild
+      - /lib/python3.9
+      - '/lib/libLTO.*'
+      - '/lib/libRemarks.*'
+      - /lib/LLVMgold.so