Below is a list of my softwares and their compatibility status with macOS 10.13 High Sierra.

OK: apps work fine
NG: apps do not work

(64UB): 32/64-bit universal binary version
(32UB): 32-bit universal binary version

name	version	status	comment	schedule	substitute
CharConvX	2.2 (64UB)	OK	*1	-	-
CocoaCatX	2.1 (64UB)	OK	*1	-	-
Diary++X	1.2.3 (64UB)	OK	*1 *2	next version	-
drop-split	1.1 (32UB)	OK	-	-	-
DupScan	2.4.1 (32UB)	OK	*1 *3	-	-
PboardPeeker	1.1 (64UB)	OK	*1	-	-
SortServicesX	1.1 (64UB)	OK	*1	-	-
Th-MakerX	3.7 (64UB)	OK	*1	-	-
Get File Path.action	1.0 (64UB)	OK	*3	-	-
Touch Files.action	1.0 (64UB)	OK	*3	-	-
Zap Resource Forks.action	1.2 (64UB)	NG	*3	next version	-
DiamondCursorKeyBindingDict	1.0	OK	-	-	-

*1 You cannot open the application with normal procedure because the application has no developper ID. Please open following steps:

1. Click the application icon with pressing "Control" key or right-click it on the Finder.
2. Choose "Open" from displayed contexual menu.
3. Click "Open" button on the confirmation dialog. Enter the name and the password of addministrator if requireed.

*2

• User registration status becomes invalid when you restart the High Sierra which is installed on SSD.

*3 Attached AppleScript droplets (PPC version) don't work. You can make High Sierra-compatible droplet as follows:

1. Launch Script Editor on El Capitan, open the droplet.
2. Select "New" from File menu. Move the script to the new document with copy & paste or drag & drop.
3. Select "Save" from File menu. Specify file name and location. Set "File Format" to "Application" and the all "Options" check boxes to off, then, click "Save" button.

*3 You cannot use the action with normal procedure for the first time because the action has no developper ID. Please execute following steps:

1. Open a workflow cotains these action such as a sample workflow or drag & drop the action from Library to the new wrokflow.
2. Following message is shown: The action "xxxxx" was not loaded because it is from an unidentified developer.
3. Click "Load" button.
4. Click "Load Anyway" button on the cofirmation sheet.