diff --git a/.changeset/import-ddmf.md b/.changeset/import-ddmf.md
new file mode 100644
index 000000000..ff94f6fa2
--- /dev/null
+++ b/.changeset/import-ddmf.md
@@ -0,0 +1,6 @@
+---
+"catalog": patch
+---
+
+catalog-import-merge: ddmf, fill in missing descriptions for the free
+IIEQ and Transport plugins, and record Tube Preamp's current version.
diff --git a/data/software/ddmf-iieq.yaml b/data/software/ddmf-iieq.yaml
index 75edbe065..163685728 100644
--- a/data/software/ddmf-iieq.yaml
+++ b/data/software/ddmf-iieq.yaml
@@ -18,5 +18,18 @@ url: https://ddmf.eu/freeware/
 prices:
   - amount: 0
     currency: USD
-description: "A free, fully parametric 10-band equalizer with its own
-  characteristic sound and low CPU consumption."
+description: A free, fully parametric 10-band equalizer with its own characteristic sound and low CPU consumption.
+details: |-
+  IIEQ is a free, fully parametric 10-band equalizer from DDMF with its own characteristic sound and low CPU consumption.
+
+  The first and tenth bands function as low and high shelf filters, while the remaining eight bands are fully parametric peak filters. Individual bands can be toggled on and off via small green buttons.
+
+  Available for Windows (7+), Mac (10.11+, Intel and Apple Silicon), and Linux (ARM aarch64 and x86_64). Formats include VST, VST3, AU, and AAX.
+specs: |-
+  - 10-band fully parametric equalizer
+  - First and tenth bands are low/high shelf filters, remaining eight are peak filters
+  - Individual band on/off toggles
+  - Low CPU consumption
+  - Windows 7+ support (32-bit and 64-bit builds)
+  - Mac 10.11+ support (32-bit through OSX 10.14, 64-bit all versions), Intel and Apple Silicon
+  - Linux ARM (aarch64) and x86_64 support
diff --git a/data/software/ddmf-transport.yaml b/data/software/ddmf-transport.yaml
index 48fbf7e53..9716cfd1b 100644
--- a/data/software/ddmf-transport.yaml
+++ b/data/software/ddmf-transport.yaml
@@ -18,6 +18,17 @@ url: https://ddmf.eu/freeware/
 prices:
   - amount: 0
     currency: USD
-description: "A handy utility plugin providing all transport information about
-  measure, time, and sample count that most hosts usually hide in tiny screen
-  areas."
+description: A handy utility plugin providing all transport information about measure, time, and sample count that most hosts usually hide in tiny screen areas.
+details: |-
+  Transport is a free utility plugin from DDMF that provides all the information about measure, time, sample count, and more that most hosts usually hide somewhere in a tiny part of the screen.
+
+  The plugin window is resizable with customizable colors, so it can be kept compact or displayed prominently on an external monitor.
+
+  Available for Windows (7+), Mac (10.11+, Intel and Apple Silicon), and Linux (ARM aarch64 and x86_64). Formats include VST, VST3, AU, and AAX.
+specs: |-
+  - Displays measure, time, and sample count information
+  - Resizable window with customizable colors
+  - Suitable for compact display or external monitors
+  - Windows 7+ support (32 and 64-bit)
+  - Mac 10.11+ support, Intel and Apple Silicon
+  - Linux ARM (aarch64) and x86_64 support
diff --git a/data/software/ddmf-tube-preamp.yaml b/data/software/ddmf-tube-preamp.yaml
index 1d441010d..4982677b0 100644
--- a/data/software/ddmf-tube-preamp.yaml
+++ b/data/software/ddmf-tube-preamp.yaml
@@ -19,9 +19,7 @@ url: https://ddmf.eu/phi-L-Audio-Tube-Preamp/
 prices:
   - amount: 0
     currency: USD
-description: "A free tube preamp emulation plugin with full control over circuit
-  modeling, featuring adjustable capacitors, resistors, and triode-based
-  preamplifier stages. Originally developed by Philipp Bulling."
+description: A free tube preamp emulation plugin with full control over circuit modeling, featuring adjustable capacitors, resistors, and triode-based preamplifier stages. Originally developed by Philipp Bulling.
 details: |-
   Triode model based on characteristic curves of real tubes
   Cathode biasing with adjustable RC parameters
@@ -41,3 +39,5 @@ specs: |-
   - Mac Intel and Apple Silicon support
   - Linux ARM (aarch64) and x86_64 support
   - Free under MIT license (personal and commercial use)
+versions:
+  - name: 2.1.3