diff --git a/rsconcept/frontend/src/components/select/PickSchema.tsx b/rsconcept/frontend/src/components/select/PickSchema.tsx
index 92db6825..e9f5f279 100644
--- a/rsconcept/frontend/src/components/select/PickSchema.tsx
+++ b/rsconcept/frontend/src/components/select/PickSchema.tsx
@@ -1,13 +1,21 @@
-import { useLayoutEffect, useMemo, useState } from 'react';
+import { useCallback, useLayoutEffect, useMemo, useState } from 'react';
 import { useIntl } from 'react-intl';
 
 import DataTable, { createColumnHelper, IConditionalStyle } from '@/components/ui/DataTable';
 import SearchBar from '@/components/ui/SearchBar';
 import { useConceptOptions } from '@/context/ConceptOptionsContext';
+import { useLibrary } from '@/context/LibraryContext';
+import useDropdown from '@/hooks/useDropdown';
 import { ILibraryItem, LibraryItemID, LibraryItemType } from '@/models/library';
 import { matchLibraryItem } from '@/models/libraryAPI';
+import { prefixes } from '@/utils/constants';
 
+import { IconClose, IconFolderTree } from '../Icons';
+import { CProps } from '../props';
+import Dropdown from '../ui/Dropdown';
 import FlexColumn from '../ui/FlexColumn';
+import MiniButton from '../ui/MiniButton';
+import SelectLocation from './SelectLocation';
 
 interface PickSchemaProps {
   id?: string;
@@ -35,18 +43,27 @@ function PickSchema({
 }: PickSchemaProps) {
   const intl = useIntl();
   const { colors } = useConceptOptions();
+  const { folders } = useLibrary();
 
   const [filterText, setFilterText] = useState(initialFilter);
+  const [filterLocation, setFilterLocation] = useState('');
   const [filtered, setFiltered] = useState<ILibraryItem[]>([]);
   const baseFiltered = useMemo(
     () => items.filter(item => item.item_type === itemType && (!baseFilter || baseFilter(item))),
     [items, itemType, baseFilter]
   );
 
+  const locationMenu = useDropdown();
+
   useLayoutEffect(() => {
-    const newFiltered = baseFiltered.filter(item => matchLibraryItem(item, filterText));
+    let newFiltered = baseFiltered.filter(item => matchLibraryItem(item, filterText));
+    if (filterLocation.length > 0) {
+      newFiltered = newFiltered.filter(
+        item => item.location === filterLocation || item.location.startsWith(`${filterLocation}/`)
+      );
+    }
     setFiltered(newFiltered);
-  }, [filterText]);
+  }, [filterText, filterLocation]);
 
   const columns = useMemo(
     () => [
@@ -92,15 +109,51 @@ function PickSchema({
     [value, colors]
   );
 
+  const handleLocationClick = useCallback(
+    (event: CProps.EventMouse, newValue: string) => {
+      event.preventDefault();
+      event.stopPropagation();
+      locationMenu.hide();
+      setFilterLocation(newValue);
+    },
+    [locationMenu]
+  );
+
   return (
     <div className='border divide-y'>
-      <SearchBar
-        id={id ? `${id}__search` : undefined}
-        className='clr-input'
-        noBorder
-        value={filterText}
-        onChange={newValue => setFilterText(newValue)}
-      />
+      <div className='flex justify-between clr-input items-center pr-1'>
+        <SearchBar
+          id={id ? `${id}__search` : undefined}
+          className='clr-input w-full'
+          noBorder
+          value={filterText}
+          onChange={newValue => setFilterText(newValue)}
+        />
+        <div ref={locationMenu.ref}>
+          <MiniButton
+            icon={<IconFolderTree size='1.25rem' className={!!filterLocation ? 'icon-green' : 'icon-primary'} />}
+            title='Фильтр по расположению'
+            className='mt-1'
+            onClick={() => locationMenu.toggle()}
+          />
+          <Dropdown isOpen={locationMenu.isOpen} stretchLeft className='w-[20rem] h-[12.5rem] z-modalTooltip mt-0'>
+            <SelectLocation
+              folderTree={folders}
+              value={filterLocation}
+              prefix={prefixes.folders_list}
+              dense
+              onClick={(event, target) => handleLocationClick(event, target.getPath())}
+            />
+          </Dropdown>
+        </div>
+        {filterLocation.length > 0 ? (
+          <MiniButton
+            icon={<IconClose size='1.25rem' className='icon-red' />}
+            title='Сбросить фильтр'
+            onClick={() => setFilterLocation('')}
+          />
+        ) : null}
+      </div>
       <DataTable
         id={id}
         rows={rows}
diff --git a/rsconcept/frontend/src/components/select/SelectLocationContext.tsx b/rsconcept/frontend/src/components/select/SelectLocationContext.tsx
index 91e260a8..9dded7ae 100644
--- a/rsconcept/frontend/src/components/select/SelectLocationContext.tsx
+++ b/rsconcept/frontend/src/components/select/SelectLocationContext.tsx
@@ -15,13 +15,21 @@ import SelectLocation from './SelectLocation';
 
 interface SelectLocationContextProps extends CProps.Styling {
   value: string;
+  title?: string;
   folderTree: FolderTree;
   stretchTop?: boolean;
 
   onChange: (newValue: string) => void;
 }
 
-function SelectLocationContext({ value, folderTree, onChange, className, style }: SelectLocationContextProps) {
+function SelectLocationContext({
+  value,
+  title = 'Проводник...',
+  folderTree,
+  onChange,
+  className,
+  style
+}: SelectLocationContextProps) {
   const menu = useDropdown();
 
   const handleClick = useCallback(
@@ -37,7 +45,7 @@ function SelectLocationContext({ value, folderTree, onChange, className, style }
   return (
     <div ref={menu.ref} className='h-full text-right self-start mt-[-0.25rem] ml-[-1.5rem]'>
       <MiniButton
-        title='Проводник...'
+        title={title}
         hideTitle={menu.isOpen}
         icon={<IconFolderTree size='1.25rem' className='icon-green' />}
         onClick={() => menu.toggle()}
diff --git a/rsconcept/frontend/src/dialogs/DlgChangeInputSchema.tsx b/rsconcept/frontend/src/dialogs/DlgChangeInputSchema.tsx
index d4e7f679..42b00310 100644
--- a/rsconcept/frontend/src/dialogs/DlgChangeInputSchema.tsx
+++ b/rsconcept/frontend/src/dialogs/DlgChangeInputSchema.tsx
@@ -63,7 +63,7 @@ function DlgChangeInputSchema({ oss, hideWindow, target, onSubmit }: DlgChangeIn
         itemType={LibraryItemType.RSFORM}
         value={selected} // prettier: split-line
         onSelectValue={handleSelectLocation}
-        rows={8}
+        rows={14}
         baseFilter={baseFilter}
       />
     </Modal>
diff --git a/rsconcept/frontend/src/dialogs/DlgInlineSynthesis/DlgInlineSynthesis.tsx b/rsconcept/frontend/src/dialogs/DlgInlineSynthesis/DlgInlineSynthesis.tsx
index 73fcd344..b0e789f2 100644
--- a/rsconcept/frontend/src/dialogs/DlgInlineSynthesis/DlgInlineSynthesis.tsx
+++ b/rsconcept/frontend/src/dialogs/DlgInlineSynthesis/DlgInlineSynthesis.tsx
@@ -58,7 +58,7 @@ function DlgInlineSynthesis({ hideWindow, receiver, onInlineSynthesis }: DlgInli
   const schemaPanel = useMemo(
     () => (
       <TabPanel>
-        <TabSchema selected={donorID} setSelected={setDonorID} />
+        <TabSchema selected={donorID} setSelected={setDonorID} receiver={receiver} />
       </TabPanel>
     ),
     [donorID]
diff --git a/rsconcept/frontend/src/dialogs/DlgInlineSynthesis/TabSchema.tsx b/rsconcept/frontend/src/dialogs/DlgInlineSynthesis/TabSchema.tsx
index 22e2295a..786ba542 100644
--- a/rsconcept/frontend/src/dialogs/DlgInlineSynthesis/TabSchema.tsx
+++ b/rsconcept/frontend/src/dialogs/DlgInlineSynthesis/TabSchema.tsx
@@ -7,15 +7,19 @@ import TextInput from '@/components/ui/TextInput';
 import AnimateFade from '@/components/wrap/AnimateFade';
 import { useLibrary } from '@/context/LibraryContext';
 import { LibraryItemID, LibraryItemType } from '@/models/library';
+import { IRSForm } from '@/models/rsform';
+import { sortItemsForInlineSynthesis } from '@/models/rsformAPI';
 
 interface TabSchemaProps {
   selected?: LibraryItemID;
   setSelected: (newValue: LibraryItemID) => void;
+  receiver: IRSForm;
 }
 
-function TabSchema({ selected, setSelected }: TabSchemaProps) {
+function TabSchema({ selected, receiver, setSelected }: TabSchemaProps) {
   const library = useLibrary();
   const selectedInfo = useMemo(() => library.items.find(item => item.id === selected), [selected, library.items]);
+  const sortedItems = useMemo(() => sortItemsForInlineSynthesis(receiver, library.items), [receiver, library.items]);
 
   return (
     <AnimateFade className='flex flex-col'>
@@ -33,7 +37,7 @@ function TabSchema({ selected, setSelected }: TabSchemaProps) {
       </div>
       <PickSchema
         id='dlg_schema_picker' // prettier: split lines
-        items={library.items}
+        items={sortedItems}
         itemType={LibraryItemType.RSFORM}
         rows={14}
         value={selected}
diff --git a/rsconcept/frontend/src/models/library.ts b/rsconcept/frontend/src/models/library.ts
index fe0b2678..806a4acf 100644
--- a/rsconcept/frontend/src/models/library.ts
+++ b/rsconcept/frontend/src/models/library.ts
@@ -32,6 +32,8 @@ export enum LocationHead {
   LIBRARY = '/L'
 }
 
+export const BASIC_SCHEMAS = '/L/Базовые';
+
 /**
  * Represents {@link LibraryItem} identifier type.
  */
diff --git a/rsconcept/frontend/src/models/libraryAPI.ts b/rsconcept/frontend/src/models/libraryAPI.ts
index 6e6a13fc..ac7d1c27 100644
--- a/rsconcept/frontend/src/models/libraryAPI.ts
+++ b/rsconcept/frontend/src/models/libraryAPI.ts
@@ -17,7 +17,7 @@ const LOCATION_REGEXP = /^\/[PLUS]((\/[!\d\p{L}]([!\d\p{L}\- ]*[!\d\p{L}])?)*)?$
  */
 export function matchLibraryItem(target: ILibraryItem, query: string): boolean {
   const matcher = new TextMatcher(query);
-  return matcher.test(target.alias) || matcher.test(target.title);
+  return matcher.test(target.alias) || matcher.test(target.title) || matcher.test(target.comment);
 }
 
 /**
diff --git a/rsconcept/frontend/src/models/ossAPI.ts b/rsconcept/frontend/src/models/ossAPI.ts
index fd158c5a..b3679fb8 100644
--- a/rsconcept/frontend/src/models/ossAPI.ts
+++ b/rsconcept/frontend/src/models/ossAPI.ts
@@ -26,9 +26,6 @@ export function matchOperation(target: IOperation, query: string): boolean {
 
 /**
  * Sorts library items relevant for the specified {@link IOperationSchema}.
- *
- * @param oss - The {@link IOperationSchema} to be sorted.
- * @param items - The items to be sorted.
  */
 export function sortItemsForOSS(oss: IOperationSchema, items: ILibraryItem[]): ILibraryItem[] {
   const result = items.filter(item => item.location === oss.location);
diff --git a/rsconcept/frontend/src/models/rsformAPI.ts b/rsconcept/frontend/src/models/rsformAPI.ts
index 68adabb7..0d05d075 100644
--- a/rsconcept/frontend/src/models/rsformAPI.ts
+++ b/rsconcept/frontend/src/models/rsformAPI.ts
@@ -4,6 +4,7 @@
 
 import { TextMatcher } from '@/utils/utils';
 
+import { BASIC_SCHEMAS, ILibraryItem } from './library';
 import { CstMatchMode } from './miscellaneous';
 import {
   CATEGORY_CST_TYPE,
@@ -308,3 +309,31 @@ export function generateAlias(type: CstType, schema: IRSForm, takenAliases: stri
   }
   return alias;
 }
+
+/**
+ * Sorts library items relevant for InlineSynthesis with specified {@link IRSForm}.
+ */
+export function sortItemsForInlineSynthesis(receiver: IRSForm, items: ILibraryItem[]): ILibraryItem[] {
+  const result = items.filter(item => item.location === receiver.location);
+  for (const item of items) {
+    if (item.visible && item.owner === item.owner && !result.includes(item)) {
+      result.push(item);
+    }
+  }
+  for (const item of items) {
+    if (!result.includes(item) && item.location.startsWith(BASIC_SCHEMAS)) {
+      result.push(item);
+    }
+  }
+  for (const item of items) {
+    if (item.visible && !result.includes(item)) {
+      result.push(item);
+    }
+  }
+  for (const item of items) {
+    if (!result.includes(item)) {
+      result.push(item);
+    }
+  }
+  return result;
+}
diff --git a/rsconcept/frontend/src/pages/LibraryPage/ViewSideLocation.tsx b/rsconcept/frontend/src/pages/LibraryPage/ViewSideLocation.tsx
index 121f0db0..d0ec81a3 100644
--- a/rsconcept/frontend/src/pages/LibraryPage/ViewSideLocation.tsx
+++ b/rsconcept/frontend/src/pages/LibraryPage/ViewSideLocation.tsx
@@ -40,6 +40,21 @@ function ViewSideLocation({
   const { user } = useAuth();
   const { items } = useLibrary();
   const windowSize = useWindowSize();
+
+  const canRename = useMemo(() => {
+    if (active.length <= 3 || !user) {
+      return false;
+    }
+    if (user.is_staff) {
+      return true;
+    }
+    const owned = items.filter(item => item.owner == user.id);
+    const located = owned.filter(item => item.location == active || item.location.startsWith(`${active}/`));
+    return located.length !== 0;
+  }, [active, user, items]);
+
+  const animations = useMemo(() => animateSideMinWidth(windowSize.isSmall ? '10rem' : '15rem'), [windowSize]);
+
   const handleClickFolder = useCallback(
     (event: CProps.EventMouse, target: FolderNode) => {
       event.preventDefault();
@@ -56,20 +71,6 @@ function ViewSideLocation({
     [setActive]
   );
 
-  const canRename = useMemo(() => {
-    if (active.length <= 3 || !user) {
-      return false;
-    }
-    if (user.is_staff) {
-      return true;
-    }
-    const owned = items.filter(item => item.owner == user.id);
-    const located = owned.filter(item => item.location == active || item.location.startsWith(`${active}/`));
-    return located.length !== 0;
-  }, [active, user, items]);
-
-  const animations = useMemo(() => animateSideMinWidth(windowSize.isSmall ? '10rem' : '15rem'), [windowSize]);
-
   return (
     <motion.div
       className={clsx('max-w-[10rem] sm:max-w-[15rem]', 'flex flex-col', 'text:xs sm:text-sm', 'select-none')}
diff --git a/rsconcept/frontend/src/pages/OssPage/EditorOssGraph/NodeContextMenu.tsx b/rsconcept/frontend/src/pages/OssPage/EditorOssGraph/NodeContextMenu.tsx
index 11ec2e92..0e483f4e 100644
--- a/rsconcept/frontend/src/pages/OssPage/EditorOssGraph/NodeContextMenu.tsx
+++ b/rsconcept/frontend/src/pages/OssPage/EditorOssGraph/NodeContextMenu.tsx
@@ -111,7 +111,7 @@ function NodeContextMenu({
           text='Редактировать'
           title='Редактировать операцию'
           icon={<IconEdit2 size='1rem' className='icon-primary' />}
-          disabled={controller.isProcessing}
+          disabled={!controller.isMutable || controller.isProcessing}
           onClick={handleEditOperation}
         />
 
diff --git a/rsconcept/frontend/src/styling/styles.css b/rsconcept/frontend/src/styling/styles.css
index 3d9bd351..0f279b5a 100644
--- a/rsconcept/frontend/src/styling/styles.css
+++ b/rsconcept/frontend/src/styling/styles.css
@@ -132,6 +132,7 @@
   .clr-btn-nav,
   .clr-btn-clear {
     color: var(--cl-fg-80);
+    background-color: transparent;
     &:disabled {
       color: var(--cl-fg-60);
     }