diff --git a/.gitignore b/.gitignore
index b7e2626..378eac2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1 @@
-*.*~
-*.o
-
+build
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
new file mode 100644
index 0000000..cf81e47
--- /dev/null
+++ b/.gitlab-ci.yml
@@ -0,0 +1,10 @@
+build-job:
+  stage: build
+  image: ubuntu:22.04
+  script:
+    - apt-get update
+    - apt-get install -y git cmake g++ freeglut3-dev qt6-base-dev
+    - mkdir -p build
+    - cd build
+    - cmake ..
+    - cmake --build .
diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100644
index 0000000..4bdb307
--- /dev/null
+++ b/CMakeLists.txt
@@ -0,0 +1,93 @@
+cmake_minimum_required(VERSION 3.16)
+project(samplebrain VERSION 1.0 LANGUAGES C CXX)
+
+include(Dependencies.cmake)
+
+set(CMAKE_INCLUDE_CURRENT_DIR ON)
+
+# Set up AUTOMOC and some sensible defaults for runtime execution
+# When using Qt 6.3, you can replace the code block below with
+# qt_standard_project_setup()
+set(CMAKE_AUTOMOC ON)
+include(GNUInstallDirs)
+set(CMAKE_AUTOUIC ON)
+
+set(CMAKE_CXX_STANDARD 11)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+
+find_package(QT NAMES Qt5 Qt6 REQUIRED COMPONENTS Core)
+find_package(Qt${QT_VERSION_MAJOR} REQUIRED COMPONENTS Gui Widgets)
+
+qt_add_executable(samplebrain WIN32 MACOSX_BUNDLE
+    app/MainWindow.cpp app/MainWindow.h
+    app/SettingsDialog.cpp app/SettingsDialog.h
+    app/audio_thread.cpp
+    app/feedback.cpp
+    app/process_thread.cpp
+    app/qtmain.cpp
+    app/sound_items.cpp
+    brain/src/aquila/filter/MelFilter.cpp
+    brain/src/aquila/filter/MelFilterBank.cpp
+    brain/src/aquila/transform/Dct.cpp
+    brain/src/block.cpp
+    brain/src/block_stream.cpp
+    brain/src/brain.cpp
+    brain/src/fft.cpp
+    brain/src/mfcc.cpp
+    brain/src/renderer.cpp
+    brain/src/search_params.cpp
+    brain/src/spiralcore/OSC_server.cpp
+    brain/src/spiralcore/allocator.cpp
+    brain/src/spiralcore/audio.cpp
+    brain/src/spiralcore/command_ring_buffer.cpp
+    brain/src/spiralcore/portaudio_client.cpp
+    brain/src/spiralcore/ring_buffer.cpp
+    brain/src/spiralcore/sample.cpp
+    brain/src/spiralcore/stream.cpp
+    brain/src/status.cpp
+    brain/src/window.cpp
+    gui/samplebrain.ui
+    gui/settings.ui
+)
+target_include_directories(samplebrain PRIVATE
+    .
+    brain/src
+)
+
+target_link_libraries(samplebrain PRIVATE
+    Qt::Core
+    Qt::Gui
+    Qt::Widgets
+    fftw3
+    lo_shared
+    portaudio
+    sndfile
+)
+
+# Resources:
+set(samplebrain_resource_files
+    "app/images/at.png"
+    "app/images/pause.png"
+    "app/images/play.png"
+    "app/images/record.png"
+    "app/images/settings.png"
+    "app/images/stop.png"
+)
+
+qt_add_resources(samplebrain "samplebrain"
+    PREFIX
+        "/images"
+    BASE
+        "app"
+    FILES
+        ${samplebrain_resource_files}
+)
+
+install(TARGETS samplebrain
+    BUNDLE DESTINATION .
+    RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
+)
+
+# Consider using qt_generate_deploy_app_script() for app deployment if
+# the project can use Qt 6.3. In that case rerun qmake2cmake with
+# --min-qt-version=6.3.
diff --git a/Dependencies.cmake b/Dependencies.cmake
new file mode 100644
index 0000000..848c56a
--- /dev/null
+++ b/Dependencies.cmake
@@ -0,0 +1,49 @@
+################################################################################
+# FetchContent
+################################################################################
+
+include(FetchContent)
+
+################################################################################
+# fftw3
+################################################################################
+
+FetchContent_Declare(
+  fftw3
+  URL       http://fftw.org/fftw-3.3.10.tar.gz
+  URL_HASH  MD5=8ccbf6a5ea78a16dbc3e1306e234cc5c)
+FetchContent_MakeAvailable(fftw3)
+
+include_directories(${fftw3_SOURCE_DIR}/api)
+
+################################################################################
+# liblo
+################################################################################
+
+FetchContent_Declare(
+  liblo
+  URL       http://downloads.sourceforge.net/liblo/liblo-0.31.tar.gz
+  URL_HASH  MD5=14378c1e74c58e777fbb4fcf33ac5315)
+FetchContent_MakeAvailable(liblo)
+
+add_subdirectory(${liblo_SOURCE_DIR}/cmake)
+
+################################################################################
+# PortAudio
+################################################################################
+
+FetchContent_Declare(
+  portaudio
+  URL       http://files.portaudio.com/archives/pa_stable_v190700_20210406.tgz
+  URL_HASH  MD5=ad319249932c6794b551d954b8844402)
+FetchContent_MakeAvailable(portaudio)
+
+################################################################################
+# libsndfile
+################################################################################
+
+FetchContent_Declare(
+  libsndfile
+  GIT_REPOSITORY https://github.com/libsndfile/libsndfile
+  GIT_TAG        1.1.0)
+FetchContent_MakeAvailable(libsndfile)
diff --git a/building.md b/building.md
index f6d80c4..90c068e 100644
--- a/building.md
+++ b/building.md
@@ -1,8 +1,8 @@
 # Building from source
 ## Linux (Ubuntu)
-Install libraries for the sample engine (use brew on mac, MinGW on win):
+Install cmake:
 
-    $ sudo apt install libsndfile1-dev portaudio19-dev liblo-dev libfftw3-dev
+    $ sudo apt install cmake
 
 Install dependencies for the interface:
 
@@ -16,15 +16,14 @@ Build & run it:
 
     $ mkdir build
     $ cd build
-    $ qmake ..
-    $ make
-    $ sudo make install
-    $ samplebrain
+    $ cmake ..
+    $ cmake --build .
+    $ ./samplebrain
 
 ## Mac
-Install libraries for sample engine:
+Install cmake:
 
-    $ brew install fftw portaudio liblo libsndfile
+    $ brew install cmake
 
 Install dependencies for the interface:
 
@@ -35,10 +34,10 @@ Build & run it:
 
     $ mkdir build
     $ cd build
-    $ qmake ..
-    $ make
+    $ cmake ..
+    $ cmake --build .
 
-`samplebrain.app` should then be in the app folder for you to run.
+`samplebrain.app` should then be in the build folder for you to run.
 
 # Mac build additions
 
diff --git a/samplebrain.pro b/samplebrain.pro
deleted file mode 100644
index 8b047df..0000000
--- a/samplebrain.pro
+++ /dev/null
@@ -1,71 +0,0 @@
-######################################################################
-# Automatically generated by qmake (2.01a) Sun Jul 5 17:49:45 2015
-######################################################################
-
-TEMPLATE = app
-TARGET = samplebrain
-DEPENDPATH += . 2
-INCLUDEPATH += . 2
-
-QT += core gui widgets
-
-# Input
-HEADERS += app/MainWindow.h \
-           app/SettingsDialog.h
-
-FORMS += gui/samplebrain.ui \
-         gui/settings.ui
-
-SOURCES += app/MainWindow.cpp \
-           app/SettingsDialog.cpp \
-           app/sound_items.cpp \
-           app/audio_thread.cpp \
-           app/process_thread.cpp \
-           app/feedback.cpp \
-           app/qtmain.cpp \
-           brain/src/block.cpp \
-           brain/src/brain.cpp \
-           brain/src/fft.cpp \
-           brain/src/mfcc.cpp \
-           brain/src/renderer.cpp \
-           brain/src/search_params.cpp \
-           brain/src/status.cpp \
-           brain/src/window.cpp \
-           brain/src/block_stream.cpp \
-           brain/src/aquila/filter/MelFilterBank.cpp \
-           brain/src/aquila/filter/MelFilter.cpp \
-           brain/src/aquila/transform/Dct.cpp \
-           brain/src/spiralcore/sample.cpp \
-           brain/src/spiralcore/ring_buffer.cpp \
-           brain/src/spiralcore/command_ring_buffer.cpp \
-           brain/src/spiralcore/portaudio_client.cpp \
-           brain/src/spiralcore/audio.cpp \
-           brain/src/spiralcore/OSC_server.cpp \
-           brain/src/spiralcore/allocator.cpp \
-           brain/src/spiralcore/stream.cpp
-
-INCLUDEPATH += brain/src
-INCLUDEPATH += /usr/local/include
-INCLUDEPATH += /opt/homebrew/include
-LIBS += -L.. -L/usr/local/lib -L/opt/homebrew/lib -lportaudio -lfftw3 -lsndfile -llo -ldl -lpthread -lm
-
-QMAKE_CXXFLAGS += -O3 -Wall -Wno-unused -std=c++11
-
-# assets
-RESOURCES = app/samplebrain.qrc
-ICON      = desktop/samplebrain.icns
-
-PREFIX = $$(PREFIX)
-isEmpty(PREFIX) {
-    PREFIX = /usr
-}
-
-unix:desktopfile.path = $$PREFIX/share/applications/
-unix:desktopfile.files = desktop/samplebrain.desktop
-unix:iconfile.path = $$PREFIX/share/icons/hicolor/scalable/apps
-unix:iconfile.files = desktop/samplebrain.svg
-unix:metainfofile.path = $$PREFIX/share/metainfo
-unix:metainfofile.files = desktop/org.thentrythis.Samplebrain.metainfo.xml
-
-target.path = $$PREFIX/bin
-INSTALLS += target desktopfile iconfile metainfofile