diff --git a/README.md b/README.md
index aa6171d..2a644fe 100644
--- a/README.md
+++ b/README.md
@@ -30,11 +30,19 @@ Get SPDX license overview
 | parameter | description | required | default |
 | - | - | - | - |
 | project | project | `true` | spdx-builder |
-| spdx-builder-version | spdx-builder-version | `true` | v0.6.0 |
-| ort-version | philipssoftware/ort version | `false` | 2021-05-31 |
-| ort-file | Specifies an ort-file to override ORT scanning in this action. | `true` |  |
+| spdx-builder-version | spdx-builder-version | `true` | v0.7.0 |
+| mode | Scan mode. Can be 'ort', 'blackduck' or 'tree' | `true` | ort |
 | scanner-url | scanner-url (license-scanner) | `false` |  |
+| bombase-url | bombase-url (in case of mode: 'tree') | `false` |  |
 | upload-url | upload-url (f.e. BOM-bar) | `false` |  |
+| ort-version | philipssoftware/ort version (in case of mode: 'ort') | `false` | 2021-05-31 |
+| ort-file | Specifies an ort-file to override ORT scanning in this action. (in case of mode: 'ort') | `false` |  |
+| tree | file with tree input (in case of mode: 'tree') | `false` |  |
+| format | format input (in case of mode: 'tree') | `false` |  |
+| blackduck-url | Blackduck url (in case of mode: 'blackduck') | `false` |  |
+| blackduck-token | Blackduck token (in case of mode: 'blackduck') | `false` |  |
+| blackduck-project | Blackduck project (in case of mode: 'blackduck') | `false` |  |
+| blackduck-version | Blackduck version (in case of mode: 'blackduck') | `false` |  |
 
 
 
@@ -62,6 +70,51 @@ This action is an `composite` action.
 
 ## GitHub workflow
 
+Make sure you have a proper `.spdx-builder.yml` file in your project.
+
+### `ORT` mode
+```yml
+  - uses: actions/checkout@v2
+  - uses: actions/setup-java@v1
+    with:
+      java-version: '11.0.1'
+  - name: Create spdx-file
+    id: spdx-builder
+    uses: philips-software/spdx-action@v0.6.0
+    with:
+      project: my-project
+      mode: ort
+  - uses: actions/upload-artifact@v2
+    with:
+      name: licenses
+      path: ${{ steps.spdx-builder.outputs.spdx-file }}
+```
+
+### `tree` mode
+```yml
+  - uses: actions/checkout@v2
+  - uses: actions/setup-java@v1
+    with:
+      java-version: '11.0.1'
+  - name: Create tree
+    run: |
+      npm list --all --production > npm-dependencies.txt
+  - name: Create spdx-file
+    id: spdx-builder
+    uses: philips-software/spdx-action@v0.6.0
+     with:
+      project: my-project
+      mode: 'tree'
+      tree: 'npm-dependencies.txt'
+      format: 'npm'
+      bombase-url: <bombase-url> # Optional
+  - uses: actions/upload-artifact@v2
+    with:
+      name: licenses
+      path: ${{ steps.spdx-builder.outputs.spdx-file }}
+```
+
+### `blackduck` mode
 ```yml
   - uses: actions/checkout@v2
   - uses: actions/setup-java@v1
@@ -72,6 +125,11 @@ This action is an `composite` action.
     uses: philips-software/spdx-action@v0.6.0
     with:
       project: my-project
+      mode: 'blackduck'
+      blackduck-url: <blackduck-url>
+      blackduck-token: ${{ secrets.BLACKDUCK_TOKEN }}
+      blackduck-project: <project-name>
+      blackduck-version: <project-version>
   - uses: actions/upload-artifact@v2
     with:
       name: licenses
diff --git a/action.yml b/action.yml
index 6dbac30..c5c38ca 100644
--- a/action.yml
+++ b/action.yml
@@ -8,7 +8,7 @@ branding:
 outputs:
   spdx-file:
     description: "spdx-license file"
-    value: ${{ steps.spdx.outputs.spdx-file }}
+    value: ${{ steps.spdx-ort.outputs.spdx-file }} ${{ steps.spdx-tree.outputs.spdx-file }} ${{ steps.spdx-blackduck.outputs.spdx-file }}
   ort-file:
     description: "ort-license file"
     value: ${{ steps.spdx.outputs.ort-file }}
@@ -21,26 +21,55 @@ inputs:
   spdx-builder-version:
     description: "spdx-builder-version"
     required: true
-    default: 'v0.6.0'
-  ort-version:
-    description: "philipssoftware/ort version"
-    required: false
-    default: '2021-05-31'
-  ort-file:
-    description: "Specifies an ort-file to override ORT scanning in this action."
+    default: 'v0.7.0'
+  mode:
+    description: "Scan mode. Can be 'ort', 'blackduck' or 'tree'"
     required: true
+    default: 'ort'
   scanner-url:
     description: "scanner-url (license-scanner)"
     required: false
+  bombase-url:
+    description: "bombase-url (in case of mode: 'tree')"
+    required: false
   upload-url:
     description: "upload-url (f.e. BOM-bar)"
     required: false
+# ORT specific inputs
+  ort-version:
+    description: "philipssoftware/ort version (in case of mode: 'ort')"
+    required: false
+    default: '2021-05-31'
+  ort-file:
+    description: "Specifies an ort-file to override ORT scanning in this action. (in case of mode: 'ort')"
+    required: false
+# tree specific inputs
+  tree:
+    description: "file with tree input (in case of mode: 'tree')"
+    required: false
+  format:
+    description: "format input (in case of mode: 'tree')"
+    required: false
+# blackduck specific inputs
+  blackduck-url:
+    description: "Blackduck url (in case of mode: 'blackduck')"
+    required: false
+  blackduck-token:
+    description: "Blackduck token (in case of mode: 'blackduck')"
+    required: false
+  blackduck-project:
+    description: "Blackduck project (in case of mode: 'blackduck')"
+    required: false
+  blackduck-version:
+    description: "Blackduck version (in case of mode: 'blackduck')"
+    required: false
 
 runs:
   using: "composite"
   steps:
     - name: Scan with ORT 
       run: |
+        [ "${MODE}" != 'ort' ] && { echo "mode is not 'ort' so don't perform this step"; exit 0; }
         [ -n "${ORT_FILE}" ] && { echo "We have our own ORT_FILE so we don't need to scan it here"; exit 0; }
         # Allow ORT to fail. When one repository can't be found, the rest still makes sense to analyse 
         echo "--------------------------------------------------------------------"
@@ -52,9 +81,11 @@ runs:
       shell: bash
       env:
         ORT_FILE: ${{ inputs.ort-file }}
-    - name: Create SPDX file
-      id: spdx
+        MODE: ${{ inputs.mode }}
+    - name: Create SPDX file with ORT
+      id: spdx-ort
       run: |
+        [ "${MODE}" != 'ort' ] && { echo "mode is not 'ort' so don't perform this step"; exit 0; }
         echo "--------------------------------------------------------------------"
         echo " Creating SPDX file for ${PROJECT}. "
         echo "--------------------------------------------------------------------"
@@ -98,4 +129,99 @@ runs:
         SCANNER_URL: ${{ inputs.scanner-url }}
         ORT_FILE: ${{ inputs.ort-file }}
         UPLOAD_URL: ${{ inputs.upload-url }}
+        MODE: ${{ inputs.mode }}
+      shell: bash
+    - name: Create SPDX file with tree
+      id: spdx-tree
+      run: |
+        [ "${MODE}" != 'tree' ] && { echo "mode is not 'tree' so don't perform this step"; exit 0; }
+        echo "--------------------------------------------------------------------"
+        echo " Creating SPDX file for ${PROJECT} based on tree import."
+        echo "--------------------------------------------------------------------"
+        echo " Inputs: "
+        echo "    PROJECT              : ${PROJECT} "
+        echo "    BOMBASE_URL          : ${BOMBASE_URL} "
+        echo "    UPLOAD_URL           : ${UPLOAD_URL} "
+        echo "    TREE                 : ${TREE} "
+        echo "    FORMAT               : ${FORMAT} "
+        echo "--------------------------------------------------------------------"
+        echo ""
+        echo "--------------------------------------------------------------------"
+        echo " Downloading spdx-builder"
+        echo "--------------------------------------------------------------------"
+        curl -L https://github.com/philips-software/spdx-builder/releases/download/${{ inputs.spdx-builder-version }}/spdx-builder.jar -o spdx-builder.jar
+        echo "--------------------------------------------------------------------"
+        echo " Set BOMBASE_ARG"
+        echo "--------------------------------------------------------------------"
+        [ -z "$BOMBASE_URL" ] && BOMBASE_ARG="" || BOMBASE_ARG="--bombase ${BOMBASE_URL}"
+        echo "          BOMBASE_ARG: ${BOMBASE_ARG}"
+        echo "--------------------------------------------------------------------"
+        echo " Set UPLOAD_ARG"
+        echo "--------------------------------------------------------------------"
+        [ -z "$UPLOAD_URL" ] && UPLOAD_ARG="" || UPLOAD_ARG="--upload ${UPLOAD_URL}"
+        echo "          UPLOAD_ARG: ${UPLOAD_ARG}"
+        echo "--------------------------------------------------------------------"
+        echo " Running SPDX-builder"
+        echo "--------------------------------------------------------------------"
+        cat "${TREE}" | java -jar spdx-builder.jar tree -f ${FORMAT} -c .spdx-builder.yml -o ${PROJECT}.spdx ${BOMBASE_ARG} ${UPLOAD_ARG}
+        echo "--------------------------------------------------------------------"
+        echo "Finished!"
+        echo "--------------------------------------------------------------------"
+        echo "::set-output name=spdx-file::${PROJECT}.spdx"
+      env:
+        PROJECT: ${{ inputs.project }}
+        BOMBASE_URL: ${{ inputs.bombase-url }}
+        TREE: ${{ inputs.tree }}
+        FORMAT: ${{ inputs.format }}
+        UPLOAD_URL: ${{ inputs.upload-url }}
+        MODE: ${{ inputs.mode }}
+      shell: bash
+    - name: Create SPDX file with blackduck
+      id: spdx-blackduck
+      run: |
+        [ "${MODE}" != 'blackduck' ] && { echo "mode is not 'blackduck' so don't perform this step"; exit 0; }
+        echo "--------------------------------------------------------------------"
+        echo " Creating SPDX file for ${PROJECT} based on blackduck import."
+        echo "--------------------------------------------------------------------"
+        echo " Inputs: "
+        echo "    PROJECT              : ${PROJECT} "
+        echo "    BOMBASE_URL          : ${BOMBASE_URL} "
+        echo "    UPLOAD_URL           : ${UPLOAD_URL} "
+        echo "    BLACKDUCK_PROJECT    : ${BLACKUCK_PROJECT} "
+        echo "    BLACKDUCK_VERSION    : ${BLACKUCK_VERSION} "
+        echo "    BLACKDUCK_URL        : ${BLACKUCK_URL} "
+        echo "    BLACKDUCK_TOKEN      : ${BLACKUCK_TOKEN} "
+        echo "--------------------------------------------------------------------"
+        echo ""
+        echo "--------------------------------------------------------------------"
+        echo " Downloading spdx-builder"
+        echo "--------------------------------------------------------------------"
+        curl -L https://github.com/philips-software/spdx-builder/releases/download/${{ inputs.spdx-builder-version }}/spdx-builder.jar -o spdx-builder.jar
+        echo "--------------------------------------------------------------------"
+        echo " Set BOMBASE_ARG"
+        echo "--------------------------------------------------------------------"
+        [ -z "$BOMBASE_URL" ] && BOMBASE_ARG="" || BOMBASE_ARG="--bombase ${BOMBASE_URL}"
+        echo "          BOMBASE_ARG: ${BOMBASE_ARG}"
+        echo "--------------------------------------------------------------------"
+        echo " Set UPLOAD_ARG"
+        echo "--------------------------------------------------------------------"
+        [ -z "$UPLOAD_URL" ] && UPLOAD_ARG="" || UPLOAD_ARG="--upload ${UPLOAD_URL}"
+        echo "          UPLOAD_ARG: ${UPLOAD_ARG}"
+        echo "--------------------------------------------------------------------"
+        echo " Running SPDX-builder"
+        echo "--------------------------------------------------------------------"
+        java -jar spdx-builder.jar blackduck -o ${PROJECT}.spdx --url ${BLACKDUCK_URL} --token ${BLACKDUCK_TOKEN} ${BLACKDUCK_PROJECT} ${BLACKDUCK_VERSION} ${BOMBASE_ARG} ${UPLOAD_ARG}
+        echo "--------------------------------------------------------------------"
+        echo "Finished!"
+        echo "--------------------------------------------------------------------"
+        echo "::set-output name=spdx-file::${PROJECT}.spdx"
+      env:
+        PROJECT: ${{ inputs.project }}
+        BOMBASE_URL: ${{ inputs.bombase-url }}
+        UPLOAD_URL: ${{ inputs.upload-url }}
+        MODE: ${{ inputs.mode }}
+        BLACKDUCK_PROJECT: ${{ inputs.blackduck-project }}
+        BLACKDUCK_VERSION: ${{ inputs.blackduck-version }}
+        BLACKDUCK_URL: ${{ inputs.blackduck-url }}
+        BLACKDUCK_TOKEN: ${{ inputs.blackduck-token }}
       shell: bash