Unknown (System titles?)
Presumably system-modules going by total titles here, first 5 are probably bundled with the kernel in package2.
System Debug Applets
| Title-id | 
Versions | 
Description
 | 
| 0100000000002071 | 
 | 
Snapshot Dumper? Used by NS. Not on retail consoles.
 | 
System Data Archives
| Title-id | 
Versions | 
Description
 | 
| 0100000000000800 | 
 | 
SSL trusted certificates
 | 
| 0100000000000801 | 
 | 
Stores the message strings for Support Error Codes. There's "/DatabaseInfo" at FS root, then the rest is stored at "/{first 4 error digits}/{last 4 error digits}/".
 | 
| 0100000000000802 | 
 | 
Random textures?
 | 
| 0100000000000803 | 
 | 
Mounted as "shareddata:/". Contains various browser data: emojis, OSS NROs, "buildinfo/buildinfo.dat", ...
 | 
| 0100000000000804 | 
 | 
HTML resources: Open-source licenses("Intellectual Property Notices") and seizure warnings("Health & Safety Information"). The former is stored at FS "/legallines.htdocs/", while the latter is at "/safe.htdocs/".
 | 
| 0100000000000805 | 
 | 
Chinese and Korean dictionaries
 | 
| 0100000000000806 | 
 | 
Bad words
 | 
| 0100000000000807 | 
 | 
Hotspot List
 | 
| 0100000000000808 | 
 | 
European, English and Japanese dictionaries
 | 
| 0100000000000809 | 
 | 
System Version Title
 | 
| 010000000000080A | 
 | 
Chara?
 | 
| 010000000000080B | 
 | 
Tutorial images and strings. Used for the offline news by the News applet.
 | 
| 010000000000080C | 
 | 
EULA. Also accessed by NS.
 | 
| 010000000000080D | 
 | 
Blacklist URL
 | 
| 010000000000080E | 
 | 
Geo Zoneinfo
 | 
| 0100000000000810 | 
 | 
Extended font
 | 
| 0100000000000811 | 
 | 
Standard font
 | 
| 0100000000000812 | 
 | 
Korean font
 | 
| 0100000000000813 | 
 | 
Taiwanese font
 | 
| 0100000000000814 | 
 | 
Chinese font
 | 
| 0100000000000818 | 
 | 
System config
 | 
| 0100000000000819 | 
 | 
Firmware package A
 | 
| 010000000000081A | 
 | 
Firmware package B
 | 
| 010000000000081D | 
 | 
Errdisp strings
 | 
| 010000000000081E | 
 | 
Dummy file
 | 
| 010000000000081F | 
 | 
Icosa system config
 | 
| 0100000000000820 | 
 | 
Copper system config
 | 
| 0100000000000821 | 
 | 
Hoag system config
 | 
System Applets
| Title-id | 
Versions | 
Description
 | 
| 0100000000001000 | 
 | 
System applet
 | 
| 0100000000001001 | 
 | 
 | 
| 0100000000001002 | 
 | 
 | 
| 0100000000001003 | 
 | 
 | 
| 0100000000001004 | 
 | 
 | 
| 0100000000001005 | 
 | 
 | 
| 0100000000001006 | 
 | 
 | 
| 0100000000001007 | 
 | 
 | 
| 0100000000001008 | 
 | 
 | 
| 0100000000001009 | 
 | 
 | 
| 010000000000100A | 
 | 
 | 
| 010000000000100B | 
 | 
ShopN applet
 | 
| 010000000000100C | 
 | 
Overlay applet
 | 
| 010000000000100D | 
 | 
 | 
| 010000000000100F | 
 | 
 | 
| 0100000000001010 | 
 | 
Whitelisted applet (LoginApplet+ShareApplet+LobbyApplet)
 | 
| 0100000000001011 | 
 | 
WifiWebAuth applet
 | 
| 0100000000001012 | 
 | 
 | 
| 0100000000001013 | 
 | 
 | 
| 0100000000001015 | 
 | 
Fall-back TID used by NS when a state flag is val1 indicating the "System applet" TID shouldn't be loaded from config.
 | 
| 0100000000001016 | 
 | 
TID used by NS when a certain flag is non-zero, in multiple places including around code using string "application_install". This title doesn't seem to exist for retail.
 | 
Games