diff --git a/src/LoggerApp.cpp b/src/LoggerApp.cpp
new file mode 100644
index 0000000..1c62c75
--- /dev/null
+++ b/src/LoggerApp.cpp
@@ -0,0 +1,291 @@
+/*
+ * Copyright (C) 2023 Adrien Destugues <pulkomandy@pulkomandy.tk>
+ *
+ * Distributed under terms of the MIT license.
+ */
+
+#include <Application.h>
+#include <private/interface/ColumnListView.h>
+#include <private/interface/ColumnTypes.h>
+#include <GroupLayout.h>
+#include <LayoutBuilder.h>
+#include <MenuBar.h>
+#include <Window.h>
+
+#include <ctype.h>
+
+#include "../BeDC.h"
+
+
+class BColorStringField: public BStringField
+{
+public:
+	BColorStringField(const char* string, rgb_color color)
+		: BStringField(string)
+		, fColor(color)
+	{
+	}
+
+	rgb_color fColor;
+};
+
+
+class BColorStringColumn: public BStringColumn
+{
+public:
+	BColorStringColumn(const char* title, float w, float minw, float maxw)
+		: BStringColumn(title, w, minw, maxw, false)
+	{
+	}
+
+	void DrawField(BField* field, BRect rect, BView* parent) override
+	{
+		BColorStringField* csField = dynamic_cast<BColorStringField*>(field);
+		if (csField) {
+			parent->SetHighColor(csField->fColor);
+		}
+		BStringColumn::DrawField(field, rect, parent);
+	}
+};
+
+
+static char sanechar(int32 input) {
+	input = input & 0xff;
+	if (isprint(input))
+		return (char)input;
+	else
+		return '.';
+}
+
+
+class LoggerWindow: public BWindow
+{
+public:
+	LoggerWindow()
+		: BWindow(BRect(100, 100, 900, 700), "Dev console", B_DOCUMENT_WINDOW,
+			B_QUIT_ON_WINDOW_CLOSE | B_AUTO_UPDATE_SIZE_LIMITS)
+	{
+		BGroupLayout* layout = new BGroupLayout(B_VERTICAL);
+		SetLayout(layout);
+		layout->SetSpacing(0);
+
+		fEventList = new BColumnListView("messages", 0, B_NO_BORDER);
+		fEventList->AddColumn(new BColorStringColumn("Name", 100, 50, 200), 0);
+		fEventList->AddColumn(new BColorStringColumn("Text", INT16_MAX, 50, INT16_MAX), 1);
+
+		BLayoutBuilder::Group<>(layout)
+			.SetInsets(0, -1, -1, -1)
+			.Add(new BMenuBar("main menu"))
+			.Add(fEventList)
+		.End();
+	}
+
+	void MessageReceived(BMessage* message) override
+	{
+		switch(message->what) {
+			case BEDC_MESSAGE:
+			{
+				// TODO parse all info: bedc_ver, bedc_main_type
+				// bedc_ver: "1.0" (can be changed in later versions if the message format changes)
+				// bedc_main_type: BEDC_BMESSAGE or BEDC_PLAIN_MESSAGE
+				BString name = message->FindString("bedc_name");
+				BString text = message->FindString("bedc_text");
+				int8 colorEnum = message->FindInt8("bedc_color");
+				int8 type = message->FindInt8("bedc_type");
+				int8 main_type = message->FindInt8("bedc_main_type");
+
+				if (type == DC_CLEAR) {
+					fEventList->Clear();
+					return;
+				}
+
+				if (main_type == BEDC_BMESSAGE && text.IsEmpty()) {
+					int32 what = message->FindInt32("bedc_what");
+
+					text.SetToFormat("BMessage(what=%#010x, %d, '%c%c%c%c')", what, what,
+						sanechar(what >> 24), sanechar(what >> 16),
+						sanechar(what >>  8), sanechar(what >>  0));
+				}
+
+				// TODO: generic BMessage handling (results in one line per item in the message)
+				// TODO: separators
+				//
+				//
+				BRow* row = new BRow();
+				if (colorEnum == 0) {
+					row->SetField(new BStringField(name), 0);
+				} else {
+					rgb_color color;
+					switch(colorEnum) {
+						case DC_WHITE:
+							color = make_color(128, 128, 128, 255);
+							break;
+						case DC_BLACK:
+							color = make_color(64, 64, 64, 255);
+							break;
+						case DC_BLUE:
+							color = make_color(0, 0, 128, 255);
+							break;
+						case DC_RED:
+							color = make_color(0, 128, 0, 255);
+							break;
+						case DC_YELLOW:
+							color = make_color(128, 128, 0, 255);
+							break;
+						case DC_GREEN:
+							color = make_color(128, 0, 0, 255);
+							break;
+					}
+					row->SetField(new BColorStringField(name, color), 0);
+				}
+
+				if (type == DC_SUCCESS)
+					row->SetField(new BColorStringField(text, ui_color(B_SUCCESS_COLOR)), 1);
+				else if (type == DC_ERROR)
+					row->SetField(new BColorStringField(text, ui_color(B_FAILURE_COLOR)), 1);
+				else if (type == DC_MESSAGE)
+					row->SetField(new BStringField(text), 1);
+				else if (type == DC_SEPARATOR)
+					row->SetField(new BStringField("-----"), 1);
+				else {
+					message->PrintToStream();
+				}
+				fEventList->AddRow(row, -1);
+
+				if (main_type == BEDC_BMESSAGE) {
+					int index = 0;
+					char* nameFound;
+					type_code typeFound;
+					int32 countFound;
+					while (message->GetInfo(B_ANY_TYPE, index++, &nameFound, &typeFound, &countFound) == B_OK) {
+						// Don't display all the bedc_ internal stuff
+						if (BString(nameFound).StartsWith("bedc_"))
+							continue;
+
+						for (int j = 0; j < countFound; j++) {
+							name.SetToFormat("%s[%d] (%c%c%c%c)", nameFound, j,
+								(typeFound >> 24) & 0xFF, (typeFound >> 16) & 0xFF,
+								(typeFound >>  8) & 0xFF, (typeFound >>  0) & 0xFF
+							);
+
+							switch(typeFound) {
+#if 0
+	B_AFFINE_TRANSFORM_TYPE			= 'AMTX',
+	B_ALIGNMENT_TYPE				= 'ALGN',
+	B_ANY_TYPE						= 'ANYT',
+	B_ATOM_TYPE						= 'ATOM',
+	B_ATOMREF_TYPE					= 'ATMR',
+	B_BOOL_TYPE						= 'BOOL',
+	B_CHAR_TYPE						= 'CHAR',
+	B_COLOR_8_BIT_TYPE				= 'CLRB',
+	B_DOUBLE_TYPE					= 'DBLE',
+	B_FLOAT_TYPE					= 'FLOT',
+	B_GRAYSCALE_8_BIT_TYPE			= 'GRYB',
+	B_INT16_TYPE					= 'SHRT',
+	B_INT64_TYPE					= 'LLNG',
+	B_INT8_TYPE						= 'BYTE',
+	B_LARGE_ICON_TYPE				= 'ICON',
+	B_MEDIA_PARAMETER_GROUP_TYPE	= 'BMCG',
+	B_MEDIA_PARAMETER_TYPE			= 'BMCT',
+	B_MEDIA_PARAMETER_WEB_TYPE		= 'BMCW',
+	B_MESSAGE_TYPE					= 'MSGG',
+	B_MESSENGER_TYPE				= 'MSNG',
+	B_MIME_TYPE						= 'MIME',
+	B_MINI_ICON_TYPE				= 'MICN',
+	B_MONOCHROME_1_BIT_TYPE			= 'MNOB',
+	B_OBJECT_TYPE					= 'OPTR',
+	B_OFF_T_TYPE					= 'OFFT',
+	B_PATTERN_TYPE					= 'PATN',
+	B_POINTER_TYPE					= 'PNTR',
+	B_PROPERTY_INFO_TYPE			= 'SCTD',
+	B_RAW_TYPE						= 'RAWT',
+	B_RECT_TYPE						= 'RECT',
+	B_REF_TYPE						= 'RREF',
+	B_NODE_REF_TYPE					= 'NREF',
+	B_RGB_32_BIT_TYPE				= 'RGBB',
+	B_RGB_COLOR_TYPE				= 'RGBC',
+	B_SIZE_TYPE						= 'SIZE',
+	B_SIZE_T_TYPE					= 'SIZT',
+	B_SSIZE_T_TYPE					= 'SSZT',
+	B_STRING_LIST_TYPE				= 'STRL',
+	B_TIME_TYPE						= 'TIME',
+	B_UINT16_TYPE					= 'USHT',
+	B_UINT32_TYPE					= 'ULNG',
+	B_UINT64_TYPE					= 'ULLG',
+	B_UINT8_TYPE					= 'UBYT',
+	B_VECTOR_ICON_TYPE				= 'VICN',
+	B_XATTR_TYPE					= 'XATR',
+	B_NETWORK_ADDRESS_TYPE			= 'NWAD',
+	B_MIME_STRING_TYPE				= 'MIMS',
+#endif
+								case B_STRING_TYPE:
+									text = message->FindString(nameFound, j);
+									break;
+								case B_INT32_TYPE:
+								{
+									int32 val = message->FindInt32(nameFound, j);
+									text.SetToFormat("%d (%#010x)", val, val);
+									break;
+								}
+								case B_POINT_TYPE:
+								{
+									BPoint val = message->FindPoint(nameFound, j);
+									text.SetToFormat("X: %f Y: %f", val.x, val.y);
+									break;
+								}
+								default:
+									text.SetTo("TODO: unhandled message content type");
+									break;
+							}
+
+							BRow* subRow = new BRow();
+							subRow->SetField(new BStringField(name), 0);
+							subRow->SetField(new BStringField(text), 1);
+							fEventList->AddRow(subRow, row);
+						}
+
+					}
+				}
+
+				break;
+			}
+			default:
+				BWindow::MessageReceived(message);
+				break;
+		}
+	}
+
+private:
+	BColumnListView* fEventList;
+};
+
+
+class LoggerApp: public BApplication
+{
+public:
+	LoggerApp()
+		: BApplication("application/x-vnd.ml-BeDCApp")
+	{
+		LoggerWindow* window = new LoggerWindow();
+		window->Show();
+	}
+
+	void MessageReceived(BMessage* message) override
+	{
+		switch(message->what) {
+			case BEDC_MESSAGE:
+				WindowAt(0)->PostMessage(message);
+				break;
+			default:
+				BApplication::MessageReceived(message);
+				break;
+		}
+	}
+};
+
+
+int main(void)
+{
+	LoggerApp app;
+	app.Run();
+}
diff --git a/src/build.sh b/src/build.sh
new file mode 100644
index 0000000..79d618b
--- /dev/null
+++ b/src/build.sh
@@ -0,0 +1 @@
+g++ LoggerApp.cpp -lbe -lcolumnlistview