diff --git a/code/__DEFINES/~doppler_defines/ntnrc.dm b/code/__DEFINES/~doppler_defines/ntnrc.dm
new file mode 100644
index 0000000000000..585b09dc58b8d
--- /dev/null
+++ b/code/__DEFINES/~doppler_defines/ntnrc.dm
@@ -0,0 +1,6 @@
+
+/// Name used for the common chat all crew gets added to when they join.
+#define NTNRC_COMMON_CHAT "#general"
+
+/// Name used for the preference for the default NTNRC username.
+#define NTRNC_USERNAME_PREF_NAME "NTNRC username"
diff --git a/code/modules/modular_computers/computers/item/computer_ui.dm b/code/modules/modular_computers/computers/item/computer_ui.dm
index d8b97c523019d..009ad0370b219 100644
--- a/code/modules/modular_computers/computers/item/computer_ui.dm
+++ b/code/modules/modular_computers/computers/item/computer_ui.dm
@@ -139,6 +139,25 @@
 			//you can't close apps in emergency mode.
 			if(isnull(internal_cell) || internal_cell.charge)
 				active_program.kill_program(usr)
+			// DOPPLER EDIT ADDITION START - NTNRC_FOR_ALL
+			else // Slightly cursed code to let you swap between the chat client or messenger instead
+
+				if(istype(active_program, /datum/computer_file/program/chatclient))
+					var/datum/computer_file/program/messenger/our_messenger = locate() in stored_files
+					if(isnull(our_messenger))
+						return TRUE
+					open_program(usr, our_messenger)
+
+				else if(istype(active_program, /datum/computer_file/program/messenger))
+					var/datum/computer_file/program/chatclient/our_chat_client = locate() in stored_files
+					if(isnull(our_chat_client))
+						return TRUE
+					if(!get_ntnet_status()) // Can't swap to NTNRC without NTNet.
+						to_chat(usr, span_danger("\The [src]'s screen shows \"Unable to connect to NTNet. Please retry. If problem persists contact your system administrator.\" warning."))
+						return TRUE
+					open_program(usr, our_chat_client)
+
+			// DOPPLER EDIT ADDITION END - NTNRC_FOR_ALL
 			return TRUE
 		if("PC_shutdown")
 			shutdown_computer()
diff --git a/code/modules/modular_computers/computers/item/pda.dm b/code/modules/modular_computers/computers/item/pda.dm
index 1fea772b85e58..05882d17f582b 100644
--- a/code/modules/modular_computers/computers/item/pda.dm
+++ b/code/modules/modular_computers/computers/item/pda.dm
@@ -39,6 +39,7 @@
 		/datum/computer_file/program/nt_pay,
 		/datum/computer_file/program/notepad,
 		/datum/computer_file/program/crew_manifest,
+		/datum/computer_file/program/chatclient, // DOPPLER EDIT ADDITION - NTNRC_FOR_ALL
 	)
 	///List of items that can be stored in a PDA
 	var/static/list/contained_item = list(
diff --git a/code/modules/modular_computers/file_system/programs/chatroom/ntnrc_client.dm b/code/modules/modular_computers/file_system/programs/chatroom/ntnrc_client.dm
index 8045bcb1db0db..fc743caa66c67 100644
--- a/code/modules/modular_computers/file_system/programs/chatroom/ntnrc_client.dm
+++ b/code/modules/modular_computers/file_system/programs/chatroom/ntnrc_client.dm
@@ -160,6 +160,11 @@
 		if("PRG_setpassword")
 			if(!authed)
 				return
+			// DOPPLER EDIT ADDITION START - NTNRC_FOR_ALL
+			if(channel.strong) // Block setting passwords on important channels
+				computer.visible_message(span_warning("Warning. May not set a password on common channels."))
+				return
+			// DOPPLER EDIT ADDITION END - NTNRC_FOR_ALL
 			var/new_password = sanitize(params["new_password"])
 			if(!authed)
 				return
diff --git a/modular_doppler/ntnrc_for_all/code/common_chat.dm b/modular_doppler/ntnrc_for_all/code/common_chat.dm
new file mode 100644
index 0000000000000..634e4e508518a
--- /dev/null
+++ b/modular_doppler/ntnrc_for_all/code/common_chat.dm
@@ -0,0 +1,7 @@
+
+/// Conversation subtype that doesn't allow for the addition of any single operator. Netadmin mode can still override.
+/datum/ntnet_conversation/common
+
+/// Override to block adding an operator.
+/datum/ntnet_conversation/common/changeop(datum/computer_file/program/chatclient/newop, silent = FALSE)
+	return
diff --git a/modular_doppler/ntnrc_for_all/code/ntnrc_client_edits.dm b/modular_doppler/ntnrc_for_all/code/ntnrc_client_edits.dm
new file mode 100644
index 0000000000000..445a057b25f36
--- /dev/null
+++ b/modular_doppler/ntnrc_for_all/code/ntnrc_client_edits.dm
@@ -0,0 +1,14 @@
+
+/// Enables the chat client to run without using up power.
+/datum/computer_file/program/chatclient
+	program_flags = PROGRAM_ON_NTNET_STORE | PROGRAM_REQUIRES_NTNET | PROGRAM_RUNS_WITHOUT_POWER
+	power_cell_use = 0
+
+/datum/computer_file/program/chatclient/on_start(mob/living/user)
+	. = ..()
+	if(!.)
+		return
+
+	// If we're already in the common chat, start with it open.
+	if((src in SSmodular_computers.common_chat.active_clients) || (src in SSmodular_computers.common_chat.offline_clients))
+		active_channel = SSmodular_computers.common_chat.id
diff --git a/modular_doppler/ntnrc_for_all/code/pda_prefs_edits.dm b/modular_doppler/ntnrc_for_all/code/pda_prefs_edits.dm
new file mode 100644
index 0000000000000..83b48a7190c89
--- /dev/null
+++ b/modular_doppler/ntnrc_for_all/code/pda_prefs_edits.dm
@@ -0,0 +1,18 @@
+
+/// Apply our ntnrc client username prefs
+/obj/item/modular_computer/pda/update_pda_prefs(client/owner_client)
+	. = ..()
+	if(isnull(owner_client))
+		return
+
+	var/datum/computer_file/program/chatclient/our_chat_client = locate() in stored_files
+	if(isnull(our_chat_client))
+		return
+
+	var/default_username = owner_client.prefs.read_preference(/datum/preference/name/ntnrc_username)
+	if(isnull(default_username))
+		return
+
+	our_chat_client.username = default_username
+	SSmodular_computers.common_chat.add_client(our_chat_client)
+	open_program(null, our_chat_client, FALSE)
diff --git a/modular_doppler/ntnrc_for_all/code/ss_modular_computers_edits.dm b/modular_doppler/ntnrc_for_all/code/ss_modular_computers_edits.dm
new file mode 100644
index 0000000000000..67b879c9dabd3
--- /dev/null
+++ b/modular_doppler/ntnrc_for_all/code/ss_modular_computers_edits.dm
@@ -0,0 +1,8 @@
+
+/datum/controller/subsystem/modular_computers
+	/// Reference to the common chat used for all crew
+	var/datum/ntnet_conversation/common/common_chat
+
+/datum/controller/subsystem/modular_computers/Initialize()
+	. = ..()
+	common_chat = new(title = NTNRC_COMMON_CHAT, strong = TRUE)
diff --git a/modular_doppler/ntnrc_for_all/code/username_prefs.dm b/modular_doppler/ntnrc_for_all/code/username_prefs.dm
new file mode 100644
index 0000000000000..ddad401e8f197
--- /dev/null
+++ b/modular_doppler/ntnrc_for_all/code/username_prefs.dm
@@ -0,0 +1,19 @@
+
+/// The username to default to for NTNRC
+/datum/preference/name/ntnrc_username
+	explanation = NTRNC_USERNAME_PREF_NAME
+	group = "_usernames" // Underscore puts it high up, but below `_real_names`
+	savefile_key = "chat_client_username"
+
+
+/datum/preference/name/ntnrc_username/create_default_value()
+	return pick(GLOB.hacker_aliases)
+
+/datum/preference/name/ntnrc_username/is_valid(value)
+	return !isnull(permissive_sanitize_name(value))
+
+/datum/preference/name/ntnrc_username/deserialize(input, datum/preferences/preferences)
+	return permissive_sanitize_name(input)
+
+/datum/preference/name/ntnrc_username/serialize(input)
+	return permissive_sanitize_name(input)
diff --git a/modular_doppler/ntnrc_for_all/readme.md b/modular_doppler/ntnrc_for_all/readme.md
new file mode 100644
index 0000000000000..705a33b2fca52
--- /dev/null
+++ b/modular_doppler/ntnrc_for_all/readme.md
@@ -0,0 +1,28 @@
+## Title: NTNRC For All
+
+MODULE ID: NTNRC_FOR_ALL
+
+### Description:
+
+Implements a general NTNRC channel every crewmember is added to by default, and related username pref.
+
+### TG Proc Changes:
+
+- `/datum/computer_file/program/chatclient/ui_act(...)` - Blocked passwords from being set on `strong` channels.
+- `/obj/item/modular_computer/ui_act(...)` - Emergency mode exit program swaps between NTNRC and messenger.
+
+### Defines:
+
+- `code\__DEFINES\~doppler_defines\ntnrc.dm`
+
+### Master file additions
+
+N/A
+
+### Included files that are not contained in this module:
+
+N/A
+
+### Credits:
+
+- Ephe
diff --git a/tgstation.dme b/tgstation.dme
index 593af4983890d..2eae02a624f25 100644
--- a/tgstation.dme
+++ b/tgstation.dme
@@ -424,6 +424,7 @@
 #include "code\__DEFINES\~doppler_defines\mobs.dm"
 #include "code\__DEFINES\~doppler_defines\mutant_blacklists.dm"
 #include "code\__DEFINES\~doppler_defines\mutant_variations.dm"
+#include "code\__DEFINES\~doppler_defines\ntnrc.dm"
 #include "code\__DEFINES\~doppler_defines\obj_flags_doppler.dm"
 #include "code\__DEFINES\~doppler_defines\organ_slots.dm"
 #include "code\__DEFINES\~doppler_defines\preferences.dm"
@@ -7116,6 +7117,11 @@
 #include "modular_doppler\modular_weapons\company_and_or_faction_based\carwo_defense_systems\gunsets.dm"
 #include "modular_doppler\modular_weapons\manufacturer_examine\code\gun_company_additions.dm"
 #include "modular_doppler\modular_weapons\manufacturer_examine\code\manufacturer_element.dm"
+#include "modular_doppler\ntnrc_for_all\code\common_chat.dm"
+#include "modular_doppler\ntnrc_for_all\code\ntnrc_client_edits.dm"
+#include "modular_doppler\ntnrc_for_all\code\pda_prefs_edits.dm"
+#include "modular_doppler\ntnrc_for_all\code\ss_modular_computers_edits.dm"
+#include "modular_doppler\ntnrc_for_all\code\username_prefs.dm"
 #include "modular_doppler\obj_flags_doppler\code\objs.dm"
 #include "modular_doppler\objects_and_structures\code\flora.dm"
 #include "modular_doppler\objects_and_structures\code\icemoon_tiles.dm"