diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 0000000..64284b9
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,7 @@
+---
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "monthly"
diff --git a/.github/workflows/make.ps1 b/.github/workflows/make.ps1
new file mode 100644
index 0000000..63f4ae3
--- /dev/null
+++ b/.github/workflows/make.ps1
@@ -0,0 +1,167 @@
+#!/usr/bin/env pwsh
+##############################################################################################################
+
+Function Show-Usage {
+    "
+vagrant  = 'it-gro/win10-ltsc-eval'
+download = 'https://microsoft.com/en-us/evalcenter'
+package  = 'https://learn.microsoft.com/en-us/mem/configmgr/develop/apps/how-to-create-the-windows-installer-file-msi'
+shell    = 'https://learn.microsoft.com/en-us/powershell'
+
+Usage: pwsh -File $($PSCommandPath) [OPTIONS]
+Options:
+    build
+    lint
+" | Out-Host
+}
+
+Function Build-Project {
+    New-Variable -Option Constant -Name VAR -Value @{
+        Src = 'demos'
+        Use = 'packages'
+        Pkg = 'packages\components.txt'
+    }
+    If (! (Test-Path -Path $Var.Src)) {
+        'Source do not find!' | Out-Host
+        Exit 1
+    }
+    If (Test-Path -Path '.gitmodules') {
+        & git submodule update --init --recursive --force --remote | Out-Host
+        ".... [[$($LastExitCode)]] git submodule update" | Out-Host
+    }
+    @(
+        @{
+            Cmd = 'lazbuild'
+            Url = 'https://fossies.org/windows/misc/lazarus-3.6-fpc-3.2.2-win64.exe'
+            Path = "C:\Lazarus"
+        }
+    ) | Where-Object { ! (Test-Path -Path $_.Path) } |
+        ForEach-Object {
+            $_.Url | Request-File | Install-Program
+            $Env:PATH+=";$($_.Path)"
+            (Get-Command $_.Cmd).Source | Out-Host
+        }
+    If (Test-Path -Path $VAR.Use) {
+        If (Test-Path -Path $VAR.Pkg) {
+            Get-Content -Path $VAR.Pkg |
+                Where-Object {
+                    ! (Test-Path -Path "$($VAR.Use)\$($_)") &&
+                    ! (& lazbuild --verbose-pkgsearch $_ ) &&
+                    ! (& lazbuild --add-package $_)
+                } | ForEach-Object {
+                    Return @{
+                        Uri = "https://packages.lazarus-ide.org/$($_).zip"
+                        Path = "$($VAR.Use)\$($_)"
+                        OutFile = (New-TemporaryFile).FullName
+                    }
+                } | ForEach-Object -Parallel {
+                    Invoke-WebRequest -OutFile $_.OutFile -Uri $_.Uri
+                    Expand-Archive -Path $_.OutFile -DestinationPath $_.Path
+                    Remove-Item $_.OutFile
+                    Return ".... download $($_.Uri)"
+                } | Out-Host
+        }
+        (Get-ChildItem -Filter '*.lpk' -Recurse -File –Path $VAR.Use).FullName |
+            ForEach-Object {
+                & lazbuild --add-package-link $_ | Out-Null
+                Return ".... [$($LastExitCode)] add package link $($_)"
+            } | Out-Host
+    }
+    Exit (
+        (Get-ChildItem -Filter '*.lpi' -Recurse -File –Path $Var.Src).FullName |
+            Sort-Object |
+            ForEach-Object {
+                $Output = (& lazbuild --build-all --recursive --no-write-project $_)
+                $Result = @(".... [$($LastExitCode)] build project $($_)")
+                $exitCode = Switch ($LastExitCode) {
+                    0 {
+                        $Result += $Output | Select-String -Pattern 'Linking'
+                        0
+                    }
+                    Default {
+                        $Result += $Output | Select-String -Pattern 'Error:', 'Fatal:'
+                        1
+                    }
+                }
+                $Result | Out-Host
+                Return $exitCode
+            } | Measure-Object -Sum
+    ).Sum
+}
+
+Function Request-File {
+    While ($Input.MoveNext()) {
+        New-Variable -Option Constant -Name VAR -Value @{
+            Uri = $Input.Current
+            OutFile = (Split-Path -Path $Input.Current -Leaf).Split('?')[0]
+        }
+        Invoke-WebRequest @VAR
+        Return $VAR.OutFile
+    }
+}
+
+Function Install-Program {
+    While ($Input.MoveNext()) {
+        Switch ((Split-Path -Path $Input.Current -Leaf).Split('.')[-1]) {
+            'msi' {
+                & msiexec /passive /package $Input.Current | Out-Null
+            }
+            Default {
+                & ".\$($Input.Current)" /SP- /VERYSILENT /SUPPRESSMSGBOXES /NORESTART | Out-Null
+            }
+        }
+        Remove-Item $Input.Current
+    }
+}
+
+Function Request-URL([Switch] $Post) {
+    $VAR = Switch ($Post) {
+        True {
+            Return @{
+                Method = 'POST'
+                Headers = @{
+                    ContentType = 'application/json'
+                }
+                Uri = 'https://postman-echo.com/post'
+                Body = @{
+                    One = '1'
+                } | ConvertTo-Json
+            }
+        }
+        False {
+            Return @{
+                Uri = 'https://postman-echo.com/get'
+            }
+        }
+    }
+    Return (Invoke-WebRequest @VAR | ConvertFrom-Json).Headers
+}
+
+Function Switch-Action {
+    $ErrorActionPreference = 'stop'
+    Set-PSDebug -Strict #-Trace 1
+    Invoke-ScriptAnalyzer -EnableExit -Path $PSCommandPath
+    If ($args.count -gt 0) {
+        Switch ($args[0]) {
+            'lint' {
+                Invoke-ScriptAnalyzer -EnableExit -Recurse -Path '.'
+                (Get-ChildItem -Filter '*.ps1' -Recurse -Path '.').FullName |
+                    ForEach-Object {
+                        Invoke-Formatter -ScriptDefinition $(Get-Content -Path $_ | Out-String) |
+                            Set-Content -Path $_
+                    }
+            }
+            'build' {
+                Build-Project
+            }
+            Default {
+                Show-Usage
+            }
+        }
+    } Else {
+        Show-Usage
+    }
+}
+
+##############################################################################################################
+Switch-Action @args
diff --git a/.github/workflows/make.sh b/.github/workflows/make.sh
new file mode 100644
index 0000000..0d1b486
--- /dev/null
+++ b/.github/workflows/make.sh
@@ -0,0 +1,98 @@
+#!/usr/bin/env bash
+##############################################################################################################
+
+function priv_clippit
+(
+    cat <<EOF
+https://google.github.io/styleguide/shellguide.html
+https://guide.bash.academy
+https://devhints.io/bash
+https://tldr.sh
+
+Usage: bash ${0} [OPTIONS]
+Options:
+    build   Build program
+EOF
+)
+
+function priv_lazbuild
+(
+    declare -rA VAR=(
+        [src]='demos'
+        [use]='packages'
+        [pkg]='packages/components.txt'
+    )
+    if ! [[ -d "${VAR[src]}" ]]; then
+        printf '\x1b[31m\tSource do not find!\x1b[0m\n'
+        exit 1
+    fi
+    if [[ -f '.gitmodules' ]]; then
+        git submodule update --init --recursive --force --remote &
+    fi
+    if ! (command -v lazbuild); then
+        source '/etc/os-release'
+        case ${ID:?} in
+            debian | ubuntu)
+                sudo apt-get update
+                sudo apt-get install -y lazarus{-ide-qt5,} &
+                ;;
+        esac
+    fi
+    wait
+    if [[ -d "${VAR[use]}" ]]; then
+        if [[ -f "${VAR[pkg]}" ]]; then
+            while read -r; do
+                if [[ -n "${REPLY}" ]] &&
+                    ! [[ -d "${VAR[use]}/${REPLY}" ]] &&
+                    ! (lazbuild --verbose-pkgsearch "${REPLY}") &&
+                    ! (lazbuild --add-package "${REPLY}"); then
+                        (
+                            declare -A TMP=(
+                                [url]="https://packages.lazarus-ide.org/${REPLY}.zip"
+                                [dir]="${VAR[use]}/${REPLY}"
+                                [out]=$(mktemp)
+                            )
+                            wget --quiet --output-document "${TMP[out]}" "${TMP[url]}"
+                            unzip -o "${TMP[out]}" -d "${TMP[dir]}"
+                            rm --verbose "${TMP[out]}"
+                        ) &
+                    fi
+            done < "${VAR[pkg]}"
+            wait
+        fi
+        find "${VAR[use]}" -type 'f' -name '*.lpk' -printf '\033[32m\tadd package link\t%p\033[0m\n' -exec \
+            lazbuild --add-package-link {} + 1>&2
+    fi
+    declare -i errors=0
+    while read -r; do
+        declare -A TMP=(
+            [out]=$(mktemp)
+        )
+        if (lazbuild --build-all --recursive --no-write-project "${REPLY}" > "${TMP[out]}"); then
+            printf '\x1b[32m\t[%s]\t%s\x1b[0m\n' "${?}" "${REPLY}"
+            grep --color='always' 'Linking' "${TMP[out]}"
+        else
+            printf '\x1b[31m\t[%s]\t%s\x1b[0m\n' "${?}" "${REPLY}"
+            grep --color='always' --extended-regexp '(Error|Fatal):' "${TMP[out]}"
+            ((errors+=1))
+        fi 1>&2
+        rm "${TMP[out]}"
+    done < <(find "${VAR[src]}" -type 'f' -name '*.lpi' | sort)
+    exit "${errors}"
+)
+
+function priv_main
+(
+    set -euo pipefail
+    if ((${#})); then
+        case ${1} in
+            build) priv_lazbuild ;;
+            *) priv_clippit ;;
+        esac
+    else
+        priv_clippit
+    fi
+)
+
+##############################################################################################################
+priv_main "${@}" >/dev/null
diff --git a/.github/workflows/make.yml b/.github/workflows/make.yml
new file mode 100644
index 0000000..006d55c
--- /dev/null
+++ b/.github/workflows/make.yml
@@ -0,0 +1,49 @@
+---
+name: Make
+
+on:
+  schedule:
+    - cron:  '0 0 1 * *'
+  push:
+    branches:
+      - "**"
+  pull_request:
+    branches:
+      - master
+      - main
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  build:
+    runs-on: ${{ matrix.os }}
+    timeout-minutes: 120
+    strategy:
+      matrix:
+        os:
+          - ubuntu-latest
+          - windows-latest
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v4
+      with:
+        submodules: true
+
+    - name: Build on Linux
+      if: runner.os == 'Linux'
+      shell: bash
+      run: bash .github/workflows/make.sh build
+
+    - name: Build on Windows
+      if: runner.os == 'Windows'
+      shell: powershell
+      run: pwsh -File .github/workflows/make.ps1 build
+
+    - name: Archive
+      if: runner.os == 'Windows'
+      uses: actions/upload-artifact@v4
+      with:
+        retention-days: 1
+        path: src\bin\*.exe
diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..a0ca6d8
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,12 @@
+[submodule "packages/rutils"]
+	path = packages/rutils
+	url = git@github.com:SormJon/rutils.git
+[submodule "packages/dopf"]
+	path = packages/dopf
+	url = git@github.com:pascal-libs/dopf.git
+[submodule "packages/xmailer"]
+	path = packages/xmailer
+	url = git@github.com:MFernstrom/xmailer.git
+[submodule "packages/brookframework"]
+	path = packages/brookframework
+	url = git@github.com:risoflora/brookframework.git
diff --git a/packages/brookframework b/packages/brookframework
new file mode 160000
index 0000000..9d7b784
--- /dev/null
+++ b/packages/brookframework
@@ -0,0 +1 @@
+Subproject commit 9d7b784ae7a4ff52485487d53d4a4c02bb667fa1
diff --git a/packages/dopf b/packages/dopf
new file mode 160000
index 0000000..c103bc5
--- /dev/null
+++ b/packages/dopf
@@ -0,0 +1 @@
+Subproject commit c103bc5287b199d4c98f042cd18fa2f9ff91afb8
diff --git a/packages/rutils b/packages/rutils
new file mode 160000
index 0000000..800c3c5
--- /dev/null
+++ b/packages/rutils
@@ -0,0 +1 @@
+Subproject commit 800c3c54b90bab1fb3cb8d0890579eb08cbf500f
diff --git a/packages/xmailer b/packages/xmailer
new file mode 160000
index 0000000..0290d2f
--- /dev/null
+++ b/packages/xmailer
@@ -0,0 +1 @@
+Subproject commit 0290d2f81cd7db8265c125003f2e0552ade79a16