diff --git a/gui/src/components/input/EditableList.tsx b/gui/src/components/input/EditableList.tsx
index dce17295..a91da836 100644
--- a/gui/src/components/input/EditableList.tsx
+++ b/gui/src/components/input/EditableList.tsx
@@ -6,33 +6,40 @@ const { useState } = React;
 export interface EditableListProps<T> {
   items: Array<T>;
 
-  newItem: (s: string) => T;
+  newItem: (l: string, s: string) => T;
   renderItem: (t: T) => React.ReactElement;
   setItems: (ts: Array<T>) => void;
 }
 
 export function EditableList<T>(props: EditableListProps<T>) {
   const { items, newItem, renderItem, setItems } = props;
-  const [nextItem, setNextItem] = useState('');
+  const [nextLabel, setNextLabel] = useState('');
+  const [nextSource, setNextSource] = useState('');
 
-  return <Stack>
-    {items.map((it, idx) => <Stack direction='row' key={idx}>
+  return <Stack spacing={2}>
+    {items.map((it, idx) => <Stack direction='row' key={idx} spacing={2}>
       {renderItem(it)}
       <Button onClick={() => setItems([
         ...items.slice(0, idx),
         ...items.slice(idx + 1, items.length),
       ])}>Remove</Button>
     </Stack>)}
-    <Stack direction='row'>
+    <Stack direction='row' spacing={2}>
+      <TextField
+        label='Label'
+        variant='outlined'
+        value={nextLabel}
+        onChange={(event) => setNextLabel(event.target.value)}
+      />
       <TextField
         label='Source'
         variant='outlined'
-        value={nextItem}
-        onChange={(event) => setNextItem(event.target.value)}
+        value={nextSource}
+        onChange={(event) => setNextSource(event.target.value)}
       />
       <Button onClick={() => {
-        setItems([...items, newItem(nextItem)]);
-        setNextItem('');
+        setItems([...items, newItem(nextLabel, nextSource)]);
+        setNextLabel('');
       }}>New</Button>
     </Stack>
   </Stack>;
diff --git a/gui/src/components/input/model/CorrectionModel.tsx b/gui/src/components/input/model/CorrectionModel.tsx
new file mode 100644
index 00000000..3af0ab7a
--- /dev/null
+++ b/gui/src/components/input/model/CorrectionModel.tsx
@@ -0,0 +1,17 @@
+import { Stack, TextField } from '@mui/material';
+import * as React from 'react';
+
+import { CorrectionModel } from '../../../types';
+
+export interface CorrectionModelInputProps {
+  model: CorrectionModel;
+}
+
+export function CorrectionModelInput(props: CorrectionModelInputProps) {
+  const { model } = props;
+
+  return <Stack direction='row' spacing={2}>
+    <TextField value={model.label} />
+    <TextField value={model.source} />
+  </Stack>;
+}
diff --git a/gui/src/components/input/model/DiffusionModel.tsx b/gui/src/components/input/model/DiffusionModel.tsx
new file mode 100644
index 00000000..bd1dcbc7
--- /dev/null
+++ b/gui/src/components/input/model/DiffusionModel.tsx
@@ -0,0 +1,21 @@
+import { MenuItem, Select, Stack, TextField } from '@mui/material';
+import * as React from 'react';
+
+import { DiffusionModel } from '../../../types';
+
+export interface DiffusionModelInputProps {
+  model: DiffusionModel;
+}
+
+export function DiffusionModelInput(props: DiffusionModelInputProps) {
+  const { model } = props;
+
+  return <Stack direction='row' spacing={2}>
+    <TextField label='Label' value={model.label} />
+    <TextField label='Source' value={model.source} />
+    <Select value={model.format} label='Format'>
+      <MenuItem value='ckpt'>ckpt</MenuItem>
+      <MenuItem value='safetensors'>safetensors</MenuItem>
+    </Select>
+  </Stack>;
+}
diff --git a/gui/src/components/input/model/ExtraNetwork.tsx b/gui/src/components/input/model/ExtraNetwork.tsx
new file mode 100644
index 00000000..62be0d33
--- /dev/null
+++ b/gui/src/components/input/model/ExtraNetwork.tsx
@@ -0,0 +1,26 @@
+import { MenuItem, Select, Stack, TextField } from '@mui/material';
+import * as React from 'react';
+
+import { ExtraNetwork } from '../../../types';
+
+export interface ExtraNetworkInputProps {
+  model: ExtraNetwork;
+}
+
+export function ExtraNetworkInput(props: ExtraNetworkInputProps) {
+  const { model } = props;
+
+  return <Stack direction='row' spacing={2}>
+    <TextField value={model.label} label='Label' />
+    <TextField value={model.source} label='Source' />
+    <Select value={model.type} label='Type'>
+      <MenuItem value='inversion'>Textual Inversion</MenuItem>
+      <MenuItem value='lora'>LoRA or LyCORIS</MenuItem>
+    </Select>
+    <Select value={model.model} label='Model'>
+      <MenuItem value='sd-scripts'>LoRA - sd-scripts</MenuItem>
+      <MenuItem value='concept'>TI - concept</MenuItem>
+      <MenuItem value='embeddings'>TI - embeddings</MenuItem>
+    </Select>
+  </Stack>;
+}
diff --git a/gui/src/components/input/model/ExtraSource.tsx b/gui/src/components/input/model/ExtraSource.tsx
new file mode 100644
index 00000000..88d6d950
--- /dev/null
+++ b/gui/src/components/input/model/ExtraSource.tsx
@@ -0,0 +1,17 @@
+import * as React from 'react';
+import { Stack, TextField } from '@mui/material';
+
+import { ExtraSource } from '../../../types';
+
+export interface ExtraSourceInputProps {
+  model: ExtraSource;
+}
+
+export function ExtraSourceInput(props: ExtraSourceInputProps) {
+  const { model } = props;
+
+  return <Stack direction='row' spacing={2}>
+    <TextField label='dest' value={model.dest} />
+    <TextField label='source' value={model.source} />
+  </Stack>;
+}
diff --git a/gui/src/components/input/model/UpscalingModel.tsx b/gui/src/components/input/model/UpscalingModel.tsx
new file mode 100644
index 00000000..39fe2556
--- /dev/null
+++ b/gui/src/components/input/model/UpscalingModel.tsx
@@ -0,0 +1,17 @@
+import { Stack, TextField } from '@mui/material';
+import * as React from 'react';
+
+import { UpscalingModel } from '../../../types.js';
+
+export interface UpscalingModelInputProps {
+  model: UpscalingModel;
+}
+
+export function UpscalingModelInput(props: UpscalingModelInputProps) {
+  const { model } = props;
+
+  return <Stack direction='row' spacing={2}>
+    <TextField value={model.label} />
+    <TextField value={model.source} />
+  </Stack>;
+}
diff --git a/gui/src/components/tab/Models.tsx b/gui/src/components/tab/Models.tsx
index c855d2da..80ea688b 100644
--- a/gui/src/components/tab/Models.tsx
+++ b/gui/src/components/tab/Models.tsx
@@ -1,10 +1,19 @@
 import { mustExist } from '@apextoaster/js-utils';
 import { Accordion, AccordionDetails, AccordionSummary, Button, Stack } from '@mui/material';
 import * as React from 'react';
+import _ from 'lodash';
 import { useStore } from 'zustand';
 
 import { StateContext } from '../../state.js';
 import { EditableList } from '../input/EditableList';
+import { DiffusionModelInput } from '../input/model/DiffusionModel.js';
+import { SafetensorFormat } from '../../types.js';
+import { CorrectionModelInput } from '../input/model/CorrectionModel.js';
+import { UpscalingModelInput } from '../input/model/UpscalingModel.js';
+import { ExtraSourceInput } from '../input/model/ExtraSource.js';
+import { ExtraNetworkInput } from '../input/model/ExtraNetwork.js';
+// eslint-disable-next-line @typescript-eslint/unbound-method
+const { kebabCase }  = _;
 
 export function Models() {
   const state = mustExist(React.useContext(StateContext));
@@ -12,7 +21,7 @@ export function Models() {
   // eslint-disable-next-line @typescript-eslint/unbound-method
   const setExtras = useStore(state, (s) => s.setExtras);
 
-  return <Stack>
+  return <Stack spacing={2}>
     <Accordion>
       <AccordionSummary>
         Diffusion Models
@@ -20,8 +29,13 @@ export function Models() {
       <AccordionDetails>
         <EditableList
           items={extras.diffusion}
-          newItem={(s) => s}
-          renderItem={(t) => <div key={t}>{t}</div>}
+          newItem={(l, s) => ({
+            format: 'safetensors' as SafetensorFormat,
+            label: l,
+            name: kebabCase(l),
+            source: s,
+          })}
+          renderItem={(t) => <DiffusionModelInput model={t}/>}
           setItems={(diffusion) => setExtras({
             ...extras,
             diffusion,
@@ -34,6 +48,20 @@ export function Models() {
         Correction Models
       </AccordionSummary>
       <AccordionDetails>
+        <EditableList
+          items={extras.correction}
+          newItem={(l, s) => ({
+            format: 'safetensors' as SafetensorFormat,
+            label: l,
+            name: kebabCase(l),
+            source: s,
+          })}
+          renderItem={(t) => <CorrectionModelInput model={t}/>}
+          setItems={(correction) => setExtras({
+            ...extras,
+            correction,
+          })}
+        />
       </AccordionDetails>
     </Accordion>
     <Accordion>
@@ -41,13 +69,44 @@ export function Models() {
         Upscaling Models
       </AccordionSummary>
       <AccordionDetails>
+        <EditableList
+          items={extras.upscaling}
+          newItem={(l, s) => ({
+            format: 'safetensors' as SafetensorFormat,
+            label: l,
+            name: kebabCase(l),
+            scale: 4,
+            source: s,
+          })}
+          renderItem={(t) => <UpscalingModelInput model={t}/>}
+          setItems={(upscaling) => setExtras({
+            ...extras,
+            upscaling,
+          })}
+        />
       </AccordionDetails>
     </Accordion>
     <Accordion>
       <AccordionSummary>
-        Additional Networks
+        Extra Networks
       </AccordionSummary>
       <AccordionDetails>
+        <EditableList
+          items={extras.networks}
+          newItem={(l, s) => ({
+            format: 'safetensors' as SafetensorFormat,
+            label: l,
+            model: 'embeddings' as const,
+            name: kebabCase(l),
+            source: s,
+            type: 'inversion' as const,
+          })}
+          renderItem={(t) => <ExtraNetworkInput model={t}/>}
+          setItems={(networks) => setExtras({
+            ...extras,
+            networks,
+          })}
+        />
       </AccordionDetails>
     </Accordion>
     <Accordion>
@@ -55,6 +114,20 @@ export function Models() {
         Other Sources
       </AccordionSummary>
       <AccordionDetails>
+        <EditableList
+          items={extras.sources}
+          newItem={(l, s) => ({
+            format: 'safetensors' as SafetensorFormat,
+            label: l,
+            name: kebabCase(l),
+            source: s,
+          })}
+          renderItem={(t) => <ExtraSourceInput model={t}/>}
+          setItems={(sources) => setExtras({
+            ...extras,
+            sources,
+          })}
+        />
       </AccordionDetails>
     </Accordion>
     <Button color='warning'>Save & Convert</Button>
diff --git a/gui/src/state.ts b/gui/src/state.ts
index daa9c1b1..145dc83e 100644
--- a/gui/src/state.ts
+++ b/gui/src/state.ts
@@ -24,6 +24,7 @@ import {
   UpscaleReqParams,
 } from './client/api.js';
 import { Config, ConfigFiles, ConfigState, ServerParams } from './config.js';
+import { ExtrasFile } from './types.js';
 
 export type Theme = PaletteMode | ''; // tri-state, '' is unset
 
@@ -38,10 +39,6 @@ interface HistoryItem {
   retry: RetryParams;
 }
 
-interface ExtrasFile {
-  diffusion: Array<string>;
-}
-
 interface BrushSlice {
   brush: BrushParams;
 
@@ -556,7 +553,6 @@ export function createStateSlices(server: ServerParams) {
         next.resetTxt2Img();
         next.resetUpscaleTab();
         next.resetBlend();
-        // TODO: reset more stuff
         return next;
       });
     },
@@ -564,7 +560,11 @@ export function createStateSlices(server: ServerParams) {
 
   const createExtraSlice: Slice<ExtraSlice> = (set) => ({
     extras: {
+      correction: [],
       diffusion: [],
+      networks: [],
+      sources: [],
+      upscaling: [],
     },
     setExtras(extras) {
       set((prev) => ({
diff --git a/gui/src/types.ts b/gui/src/types.ts
new file mode 100644
index 00000000..d203bc9a
--- /dev/null
+++ b/gui/src/types.ts
@@ -0,0 +1,64 @@
+export type TorchFormat = 'bin' | 'ckpt' | 'pt' | 'pth';
+export type OnnxFormat = 'onnx';
+export type SafetensorFormat = 'safetensors';
+
+export interface BaseModel {
+  /**
+   * Format of the model, used when downloading files that may not have a format in their URL.
+   */
+  format: OnnxFormat | SafetensorFormat | TorchFormat;
+
+  /**
+   * Localized label of the model.
+   */
+  label: string;
+
+  /**
+   * Filename of the model.
+   */
+  name: string;
+
+  /**
+   * Source URL or local path.
+   */
+  source: string;
+}
+
+export interface DiffusionModel extends BaseModel {
+  config?: string;
+  image_size?: string;
+  inversions?: Array<unknown>;
+  loras?: Array<unknown>;
+  pipeline?: string;
+  vae?: string;
+  version?: string;
+}
+
+export interface UpscalingModel extends BaseModel {
+  model?: 'bsrgan' | 'resrgan' | 'swinir';
+  scale: number;
+}
+
+export interface CorrectionModel extends BaseModel {
+  model?: 'codeformer' | 'gfpgan';
+}
+
+export interface ExtraNetwork extends BaseModel {
+  model: 'concept' | 'embeddings' | 'cloneofsimo' | 'sd-scripts';
+  type: 'inversion' | 'lora';
+}
+
+export interface ExtraSource {
+  dest?: string;
+  format?: string;
+  name: string;
+  source: string;
+}
+
+export interface ExtrasFile {
+  correction: Array<CorrectionModel>;
+  diffusion: Array<DiffusionModel>;
+  upscaling: Array<UpscalingModel>;
+  networks: Array<ExtraNetwork>;
+  sources: Array<ExtraSource>;
+}