diff --git a/frontend/models/source.ts b/frontend/models/source.ts
index 31828ca..b67a8a3 100644
--- a/frontend/models/source.ts
+++ b/frontend/models/source.ts
@@ -3,6 +3,7 @@ import { Module } from './module'
 
 export type Source = {
   sourceName: string
+  modules: Module[]
 }
 
 type RelatedDefinition = {
@@ -21,3 +22,43 @@ export type SpecificSource = {
   relatedDefinitions: RelatedDefinition[]
   reverseDependencies: ReverseDependency[]
 }
+
+export type Sources = {
+  sources: Source[]
+  classifiedSourcesCount: number
+}
+
+export const sortSources = (sources: Source[], key: 'sourceName' | 'modules', sort: 'none' | 'asc' | 'desc'): Source[] => {
+  if (sort === 'none') {
+    return sources
+  }
+
+  let sorted = [...sources]
+
+  const ascString = (a: string, b: string) => {
+    if (a > b) return 1
+    if (a < b) return -1
+    return 0
+  }
+
+  switch (key) {
+    case 'sourceName': {
+      sorted = sorted.sort((a, b) => ascString(a.sourceName, b.sourceName))
+      break
+    }
+    case 'modules': {
+      sorted = sorted.sort((a, b) =>
+        ascString(
+          a.modules.map((module) => module.moduleName).join('-'),
+          b.modules.map((module) => module.moduleName).join('-'),
+        ),
+      )
+    }
+  }
+
+  if (sort === 'desc') {
+    sorted = sorted.reverse()
+  }
+
+  return sorted
+}
diff --git a/frontend/pages/DefinitionList/components/DefinitionSources/DefinitionSources.tsx b/frontend/pages/DefinitionList/components/DefinitionSources/DefinitionSources.tsx
index 36d4b89..0071e02 100644
--- a/frontend/pages/DefinitionList/components/DefinitionSources/DefinitionSources.tsx
+++ b/frontend/pages/DefinitionList/components/DefinitionSources/DefinitionSources.tsx
@@ -8,6 +8,7 @@ import { color } from '@/constants/theme'
 import { CombinedDefinition } from '@/models/combinedDefinition'
 
 import { SourceModulesComboBox } from '../SourceModulesComboBox'
+import { sortSources } from '@/models/source'
 
 type Props = {
   combinedDefinition: CombinedDefinition
@@ -44,38 +45,7 @@ export const DefinitionSources: FC<Props> = ({ combinedDefinition, mutateCombine
   )
 
   const sources: CombinedDefinition['sources'] = useMemo(() => {
-    let sorted = [...combinedDefinition.sources]
-
-    if (sortState.sort === 'none') {
-      return sorted
-    }
-
-    const ascString = (a: string, b: string) => {
-      if (a > b) return 1
-      if (a < b) return -1
-      return 0
-    }
-
-    switch (sortState.key) {
-      case 'sourceName': {
-        sorted = sorted.sort((a, b) => ascString(a.sourceName, b.sourceName))
-        break
-      }
-      case 'modules': {
-        sorted = sorted.sort((a, b) =>
-          ascString(
-            a.modules.map((module) => module.moduleName).join('-'),
-            b.modules.map((module) => module.moduleName).join('-'),
-          ),
-        )
-      }
-    }
-
-    if (sortState.sort === 'desc') {
-      sorted = sorted.reverse()
-    }
-
-    return sorted
+    return sortSources(combinedDefinition.sources, sortState.key, sortState.sort)
   }, [combinedDefinition.sources, sortState])
 
   return (
diff --git a/frontend/pages/Sources/List.tsx b/frontend/pages/Sources/List.tsx
index 3205bee..12b31dd 100644
--- a/frontend/pages/Sources/List.tsx
+++ b/frontend/pages/Sources/List.tsx
@@ -1,4 +1,4 @@
-import { FC } from 'react'
+import { FC, useCallback, useMemo, useState } from 'react'
 import styled from 'styled-components'
 
 import { Link } from '@/components/Link'
@@ -7,20 +7,60 @@ import { EmptyTableBody, Heading, Section, Stack, Table, Td, Text, Th } from '@/
 import { path } from '@/constants/path'
 import { spacing } from '@/constants/theme'
 import { useSources } from '@/repositories/sourceRepository'
+import { Sources, sortSources } from '@/models/source'
+
+const sortTypes = ['asc', 'desc', 'none'] as const
+
+type SortTypes = (typeof sortTypes)[number]
+
+type SortState = {
+  key: 'sourceName' | 'modules'
+  sort: SortTypes
+}
 
 export const List: FC = () => {
-  const { sources, isLoading } = useSources()
+  const { data, isLoading } = useSources()
+  const [sortState, setSortState] = useState<SortState>({ key: 'sourceName', sort: 'asc' })
+
+  const setNextSortType = useCallback(
+    (key: SortState['key']) => {
+      setSortState((prev) => {
+        if (prev.key === key) {
+          return {
+            key,
+            sort: sortTypes[(sortTypes.indexOf(prev.sort) + 1) % sortTypes.length],
+          }
+        } else {
+          return { key, sort: 'asc' }
+        }
+      })
+    },
+    [setSortState],
+  )
+
+  const sources: Sources['sources'] = useMemo(() => {
+    if (!data) {
+      return []
+    }
+
+    return sortSources(data.sources, sortState.key, sortState.sort)
+  }, [data?.sources, sortState])
 
   return (
     <StyledSection>
       <Stack>
-        <Heading type="screenTitle">Sources</Heading>
+        <Heading type="screenTitle">Sources {data ? `(classified: ${Math.round(data.classifiedSourcesCount / data.sources.length * 100)}% ${data.classifiedSourcesCount} / ${data.sources.length})` : null}</Heading>
 
         <div style={{ overflow: 'clip' }}>
           <Table fixedHead>
             <thead>
               <tr>
-                <Th>Source name</Th>
+                <Th sort={sortState.key === 'sourceName' ? sortState.sort : 'none'} onSort={() => setNextSortType('sourceName')}>
+                  Source name
+                </Th>
+                <Th fixed sort={sortState.key === 'modules' ? sortState.sort : 'none'} onSort={() => setNextSortType('modules')}>
+                  Modules
+                </Th>
               </tr>
             </thead>
             {sources && sources.length > 0 ? (
@@ -30,6 +70,15 @@ export const List: FC = () => {
                     <Td>
                       <Link to={path.sources.show(source.sourceName)}>{source.sourceName}</Link>
                     </Td>
+                    <Td>
+                      {source.modules.map((module, index) => (
+                        <Text key={index} as="div" whiteSpace="nowrap">
+                          <Link to={path.modules.show(source.modules.slice(0, index + 1).map((mod) => mod.moduleName))}>
+                            {module.moduleName}
+                          </Link>
+                        </Text>
+                      ))}
+                    </Td>
                   </tr>
                 ))}
               </tbody>
diff --git a/frontend/repositories/sourceRepository.ts b/frontend/repositories/sourceRepository.ts
index cec6285..70817e5 100644
--- a/frontend/repositories/sourceRepository.ts
+++ b/frontend/repositories/sourceRepository.ts
@@ -1,21 +1,33 @@
 import useSWR from 'swr'
 
 import { path } from '@/constants/path'
-import { SpecificSource } from '@/models/source'
+import { Sources, SpecificSource } from '@/models/source'
 
 import { get } from './httpRequest'
 
 type SourcesReponse = {
-  sources: Array<{ source_name: string }>
+  sources: Array<{
+    source_name: string
+    modules: Array<{
+      module_name: string
+    }>
+  }>
+  classified_sources_count: number
 }
 
 export const useSources = () => {
-  const { data, isLoading } = useSWR(path.api.sources.index(), async () => {
+  const { data, isLoading } = useSWR<Sources>(path.api.sources.index(), async () => {
     const response = await get<SourcesReponse>(path.api.sources.index())
-    return response.sources.map((source) => ({ sourceName: source.source_name }))
+    return {
+      sources: response.sources.map((source) => ({
+        sourceName: source.source_name,
+        modules: source.modules.map((module) => ({ moduleName: module.module_name })),
+      })),
+      classifiedSourcesCount: response.classified_sources_count
+    }
   })
 
-  return { sources: data, isLoading }
+  return { data, isLoading }
 }
 
 type SpecificSourceResponse = {
diff --git a/lib/diver_down/web/action.rb b/lib/diver_down/web/action.rb
index 9717006..afbc487 100644
--- a/lib/diver_down/web/action.rb
+++ b/lib/diver_down/web/action.rb
@@ -33,12 +33,18 @@ def sources
         end
         # rubocop:enable Style/HashEachMethods
 
+        classified_sources_count = source_names.count { @module_store.include?(_1) }
+
         json(
           sources: source_names.sort.map do |source_name|
             {
               source_name:,
+              modules: @module_store.get(source_name).map do |module_name|
+                { module_name: }
+              end,
             }
-          end
+          end,
+          classified_sources_count:
         )
       end
 
diff --git a/spec/diver_down/web_spec.rb b/spec/diver_down/web_spec.rb
index 6b093ea..629167e 100644
--- a/spec/diver_down/web_spec.rb
+++ b/spec/diver_down/web_spec.rb
@@ -294,6 +294,7 @@ def assert_definition_group(definition_group, expected_ids)
       expect(last_response.status).to eq(200)
       expect(JSON.parse(last_response.body)).to eq({
         'sources' => [],
+        'classified_sources_count' => 0,
       })
     end
 
@@ -304,10 +305,18 @@ def assert_definition_group(definition_group, expected_ids)
           DiverDown::Definition::Source.new(
             source_name: 'a.rb'
           ),
+          DiverDown::Definition::Source.new(
+            source_name: 'b.rb'
+          ),
+          DiverDown::Definition::Source.new(
+            source_name: 'c.rb'
+          ),
         ]
       )
       store.set(definition)
 
+      module_store.set('a.rb', ['A'])
+
       get '/api/sources.json'
 
       expect(last_response.status).to eq(200)
@@ -315,8 +324,18 @@ def assert_definition_group(definition_group, expected_ids)
         'sources' => [
           {
             'source_name' => 'a.rb',
+            'modules' => [{ 'module_name' => 'A' }],
+          },
+          {
+            'source_name' => 'b.rb',
+            'modules' => [],
+          },
+          {
+            'source_name' => 'c.rb',
+            'modules' => [],
           },
         ],
+        'classified_sources_count' => 1,
       })
     end
   end