diff --git a/Processes/Support/Approved Customer Software.md b/Processes/Support/Approved Customer Software.md
index d872266..46e5cff 100644
--- a/Processes/Support/Approved Customer Software.md	
+++ b/Processes/Support/Approved Customer Software.md	
@@ -21,6 +21,10 @@
 | Postgresql                                                   | Database                            |                                                   | 2022-01-01    |
 | SQLSrv                                                       | Database                            |                                                   | 2022-01-01    |
 | SQLite                                                       | Database                            |                                                   | 2022-01-01    |
+| pdftotext                                                       | PDF text extraction                            |                                                   | 2022-01-01    |
+| pdftoppm                                                       | PDF to image converter                         |                                                   | 2022-01-01    |
+| Apache2                                                       | Web server                            |                                                   | 2022-01-01    |
+| Nginx                                                       | Web server                            |                                                   | 2022-01-01    |
 
 Consider to update the [Key Supplier Evaluation](../Purchase/Key%20Supplier%20Evaluation.md) when changing this table.