diff --git a/.swiftlint.yml b/.swiftlint.yml
index 0c07d4ee..49b50f7d 100644
--- a/.swiftlint.yml
+++ b/.swiftlint.yml
@@ -1,6 +1,7 @@
 disabled_rules:
   - identifier_name
   - force_try
+  - force_cast
   - function_parameter_count
 
 included:
diff --git a/Sources/LicensePlistCore/Collector/GitHubLicense.collector.swift b/Sources/LicensePlistCore/Collector/GitHubLicense.collector.swift
index bb9dedd6..3ce70772 100644
--- a/Sources/LicensePlistCore/Collector/GitHubLicense.collector.swift
+++ b/Sources/LicensePlistCore/Collector/GitHubLicense.collector.swift
@@ -41,7 +41,7 @@ extension GitHubLicense: Collector {
                 let license = GitHubLicense(library: library,
                                                  body: response.downloadUrl.downloadContent().resultSync().value!,
                                                  githubResponse: response)
-                return Result.init(value: license)
+                return Result(value: license)
             }
         }
     }
diff --git a/Sources/LicensePlistCore/ConfigLoader.swift b/Sources/LicensePlistCore/ConfigLoader.swift
index efff86cc..f9743b32 100644
--- a/Sources/LicensePlistCore/ConfigLoader.swift
+++ b/Sources/LicensePlistCore/ConfigLoader.swift
@@ -10,6 +10,12 @@ class ConfigLoader {
         let githubs = value["github"].array?.map { $0.string! } ?? []
         let gitHubList = githubs.map { GitHub.parse($0, mark: "", quotes: "") }.flatMap { $0 }
         let excludes = value["exclude"].array?.map { $0.string! } ?? []
-        return Config(githubs: gitHubList, excludes: excludes)
+        let renames = value["rename"].dictionary?.reduce([String: String]()) { sum, e in
+            guard let from = e.key.string, let to = e.value.string else { return sum }
+            var sum = sum
+            sum[from] = to
+            return sum
+            } ?? [:]
+        return Config(githubs: gitHubList, excludes: excludes, renames: renames)
     }
 }
diff --git a/Sources/LicensePlistCore/Entity/CocoaPods.swift b/Sources/LicensePlistCore/Entity/CocoaPods.swift
index accb6216..8827fb88 100644
--- a/Sources/LicensePlistCore/Entity/CocoaPods.swift
+++ b/Sources/LicensePlistCore/Entity/CocoaPods.swift
@@ -3,7 +3,7 @@ import APIKit
 import LoggerAPI
 
 public struct CocoaPods: Library {
-    public let name: String
+    public var name: String
 }
 
 extension CocoaPods {
diff --git a/Sources/LicensePlistCore/Entity/Config.swift b/Sources/LicensePlistCore/Entity/Config.swift
index 5e0988ce..99057634 100644
--- a/Sources/LicensePlistCore/Entity/Config.swift
+++ b/Sources/LicensePlistCore/Entity/Config.swift
@@ -4,6 +4,7 @@ import LoggerAPI
 struct Config {
     let githubs: [GitHub]
     let excludes: [String]
+    let renames: [String: String]
 
     func excluded(name: String) -> Bool {
         if excludes.contains(name) {
@@ -39,10 +40,37 @@ struct Config {
         }
         return nsText.substring(with: match.rangeAt(1))
     }
+
+    func filterExcluded<T>(_ names: [T]) -> [T] where T: HasName {
+        return names.filter {
+            let name = $0.name
+            let result = !excluded(name: name)
+            if !result {
+                Log.warning("\(type(of: $0.self))'s \(name) was excluded according to config YAML.")
+            }
+            return result
+        }
+    }
+    func apply(githubs: [GitHub]) -> [GitHub] {
+        self.githubs.forEach { Log.warning("\($0.name) was loaded from config YAML.") }
+        return filterExcluded((self.githubs + githubs))
+    }
+    func rename(licenses: [LicenseInfo]) -> [LicenseInfo] {
+        return licenses.map { name in
+            if let to = renames[name.name] {
+                var name = name
+                name.name = to
+                return name
+            }
+            return name
+        }
+    }
 }
 
 extension Config: Equatable {
     public static func==(lhs: Config, rhs: Config) -> Bool {
-        return lhs.githubs == rhs.githubs && lhs.excludes == rhs.excludes
+        return lhs.githubs == rhs.githubs &&
+            lhs.excludes == rhs.excludes &&
+            lhs.renames == rhs.renames
     }
 }
diff --git a/Sources/LicensePlistCore/Entity/GitHub.swift b/Sources/LicensePlistCore/Entity/GitHub.swift
index 666a94c5..1454d3a1 100644
--- a/Sources/LicensePlistCore/Entity/GitHub.swift
+++ b/Sources/LicensePlistCore/Entity/GitHub.swift
@@ -3,7 +3,7 @@ import APIKit
 import LoggerAPI
 
 public struct GitHub: Library {
-    public let name: String
+    public var name: String
     var owner: String
 }
 
diff --git a/Sources/LicensePlistCore/Entity/HasName.swift b/Sources/LicensePlistCore/Entity/HasName.swift
index eee36fd1..de5afa8a 100644
--- a/Sources/LicensePlistCore/Entity/HasName.swift
+++ b/Sources/LicensePlistCore/Entity/HasName.swift
@@ -4,16 +4,6 @@ public protocol HasName {
     var name: String { get }
 }
 
-extension Array where Element: HasName {
-    func filterExcluded(config: Config?) -> [Element] {
-        return filter {
-            let name = $0.name
-            guard let config = config else { return true }
-            let result = !config.excluded(name: name)
-            if !result {
-                Log.warning("\(type(of: Element.self))'s \(name) was excluded according to config YAML.")
-            }
-            return result
-        }
-    }
+public protocol HasChangeableName: HasName {
+    var name: String { get set }
 }
diff --git a/Sources/LicensePlistCore/Entity/Library.swift b/Sources/LicensePlistCore/Entity/Library.swift
index 574f7926..0f3eb55b 100644
--- a/Sources/LicensePlistCore/Entity/Library.swift
+++ b/Sources/LicensePlistCore/Entity/Library.swift
@@ -2,8 +2,7 @@ import Foundation
 import APIKit
 import LoggerAPI
 
-public protocol Library: Hashable, Equatable, HasName {
-    var name: String { get }
+public protocol Library: Hashable, Equatable, HasChangeableName {
 }
 
 extension Library {
diff --git a/Sources/LicensePlistCore/Entity/License.swift b/Sources/LicensePlistCore/Entity/License.swift
index 4ba2446e..0ec6cb81 100644
--- a/Sources/LicensePlistCore/Entity/License.swift
+++ b/Sources/LicensePlistCore/Entity/License.swift
@@ -2,30 +2,42 @@ import Foundation
 import APIKit
 import LoggerAPI
 
-public protocol LicenseInfo: HasName {
-    var name: String { get }
+public protocol LicenseInfo: HasChangeableName {
     var body: String { get }
 }
 
 public protocol License: LicenseInfo {
     associatedtype LibraryType: Library
-    var library: LibraryType { get }
+    var library: LibraryType { get set }
     var body: String { get }
 }
 
 extension License {
-    public var name: String { return library.name }
+    public var name: String {
+        set { library.name = newValue }
+        get { return library.name }
+    }
 }
 
-public struct GitHubLicense: License {
-    public let library: GitHub
+public struct GitHubLicense: License, Equatable {
+    public var library: GitHub
     public let body: String
     let githubResponse: LicenseResponse
+
+    public static func==(lhs: GitHubLicense, rhs: GitHubLicense) -> Bool {
+        return lhs.library == rhs.library &&
+        lhs.body == rhs.body
+    }
 }
 
-public struct CocoaPodsLicense: License {
-    public let library: CocoaPods
+public struct CocoaPodsLicense: License, Equatable {
+    public var library: CocoaPods
     public let body: String
+
+    public static func==(lhs: CocoaPodsLicense, rhs: CocoaPodsLicense) -> Bool {
+        return lhs.library == rhs.library &&
+            lhs.body == rhs.body
+    }
 }
 
 extension CocoaPodsLicense: CustomStringConvertible {
diff --git a/Sources/LicensePlistCore/Extension/URL.extension.swift b/Sources/LicensePlistCore/Extension/URL.extension.swift
index 7e867a3d..747a3c07 100644
--- a/Sources/LicensePlistCore/Extension/URL.extension.swift
+++ b/Sources/LicensePlistCore/Extension/URL.extension.swift
@@ -5,7 +5,7 @@ public extension URL {
     public func downloadContent() -> ResultOperation<String, NSError> {
         let operation =  ResultOperation<String, NSError> { _ in
             do {
-                return Result.init(value: try String(contentsOf: self))
+                return Result(value: try String(contentsOf: self))
             } catch let e {
                 return Result(error: e as NSError)
             }
diff --git a/Sources/LicensePlistCore/LicensePlist.swift b/Sources/LicensePlistCore/LicensePlist.swift
index 2cfdcd29..dc4e6053 100644
--- a/Sources/LicensePlistCore/LicensePlist.swift
+++ b/Sources/LicensePlistCore/LicensePlist.swift
@@ -31,25 +31,23 @@ public final class LicensePlist {
         shell("open", outputPath.path)
     }
 
-    private func collectLicenseInfos(cartfilePath: URL, podsPath: URL, config: Config?, outputPath: URL, force: Bool) -> [LicenseInfo] {
+    private func collectLicenseInfos(cartfilePath: URL, podsPath: URL, config: Config, outputPath: URL, force: Bool) -> [LicenseInfo] {
         Log.info("Pods License parse start")
 
         let podsAcknowledgements = readPodsAcknowledgements(path: podsPath)
-        let cocoaPodsLicenses = podsAcknowledgements
+        var cocoaPodsLicenses = podsAcknowledgements
             .map { CocoaPodsLicense.parse($0) }
             .flatMap { $0 }
-            .filterExcluded(config: config)
+        cocoaPodsLicenses = config.filterExcluded(cocoaPodsLicenses)
 
         Log.info("Carthage License collect start")
 
-        var gitHubLibraries: [GitHub] = config?.githubs ?? []
-        gitHubLibraries.forEach { Log.warning("\($0.name) was loaded from config YAML.") }
-        if let cartfileContent = readCartfile(path: cartfilePath) {
-            gitHubLibraries += GitHub.parse(cartfileContent)
-        }
-        gitHubLibraries = gitHubLibraries.filterExcluded(config: config)
+        var gitHubLibraries = GitHub.parse(readCartfile(path: cartfilePath) ?? "")
+        gitHubLibraries = config.apply(githubs: gitHubLibraries)
 
-        let contents = (cocoaPodsLicenses.map { String(describing: $0) } + gitHubLibraries.map { String(describing: $0) })
+        let contents = (cocoaPodsLicenses.map { String(describing: $0) } +
+            gitHubLibraries.map { String(describing: $0) } +
+            config.renames.map { "\($0.key):\($0.value)" })
             .joined(separator: "\n\n")
         let savePath = outputPath.appendingPathComponent("\(Consts.prefix).latest_result.txt")
         if let previous = read(path: savePath), previous == contents, !force {
@@ -66,13 +64,14 @@ public final class LicensePlist {
         let carthageLicenses = carthageOperations.map { $0.result?.value }.flatMap { $0 }
         self.githubLibraries = gitHubLibraries
 
-        return Array(((cocoaPodsLicenses as [LicenseInfo]) + (carthageLicenses as [LicenseInfo]))
+        let licenses = ((cocoaPodsLicenses as [LicenseInfo]) + (carthageLicenses as [LicenseInfo]))
             .reduce([String: LicenseInfo]()) { sum, e in
                 var sum = sum
                 sum[e.name] = e
                 return sum
             }.values
-            .sorted { $0.name.lowercased() < $1.name.lowercased() })
+            .sorted { $0.name.lowercased() < $1.name.lowercased() }
+        return config.rename(licenses: licenses)
     }
 
     private func reportMissings(licenses: [LicenseInfo]) {
@@ -91,11 +90,11 @@ public final class LicensePlist {
     }
 }
 
-private func loadConfig(configPath: URL) -> Config? {
+private func loadConfig(configPath: URL) -> Config {
     if let yaml = read(path: configPath) {
         return ConfigLoader.shared.load(yaml: yaml)
     }
-    return nil
+    return Config(githubs: [], excludes: [], renames: [:])
 }
 
 private func outputPlist(licenses: [LicenseInfo], outputPath: URL) {
diff --git a/Tests/LicensePlistTests/ConfigLoaderTests.swift b/Tests/LicensePlistTests/ConfigLoaderTests.swift
index 6470d0bb..f10149c6 100644
--- a/Tests/LicensePlistTests/ConfigLoaderTests.swift
+++ b/Tests/LicensePlistTests/ConfigLoaderTests.swift
@@ -5,12 +5,13 @@ import XCTest
 class ConfigLoaderTests: XCTestCase {
     private let target = ConfigLoader.shared
     func testLoad_empty() {
-        XCTAssertEqual(target.load(yaml: ""), Config(githubs: [], excludes: []))
+        XCTAssertEqual(target.load(yaml: ""), Config(githubs: [], excludes: [], renames: [:]))
     }
     func testLoad_sample() {
         let path = "https://raw.githubusercontent.com/mono0926/LicensePlist/master/Tests/LicensePlistTests/Resources/license_plist.yml"
         XCTAssertEqual(target.load(yaml: URL(string: path)!.downloadContent().resultSync().value!),
                        Config(githubs: [GitHub(name: "NativePopup", owner: "mono0926")],
-                              excludes: ["RxSwift", "ios-license-generator", "/^Core.*$/"]))
+                              excludes: ["RxSwift", "ios-license-generator", "/^Core.*$/"],
+                              renames: ["LicensePlist": "License Plist"]))
     }
 }
diff --git a/Tests/LicensePlistTests/Entity/ConfigTests.swift b/Tests/LicensePlistTests/Entity/ConfigTests.swift
index f31bde4a..92648821 100644
--- a/Tests/LicensePlistTests/Entity/ConfigTests.swift
+++ b/Tests/LicensePlistTests/Entity/ConfigTests.swift
@@ -5,7 +5,7 @@ import XCTest
 class ConfigTests: XCTestCase {
 
     func testExcluded() {
-        let target = Config(githubs: [], excludes: ["lib1"])
+        let target = Config(githubs: [], excludes: ["lib1"], renames: [:])
         XCTAssertTrue(target.excluded(name: "lib1"))
         XCTAssertFalse(target.excluded(name: "lib2"))
     }
@@ -16,9 +16,33 @@ class ConfigTests: XCTestCase {
     }
 
     func testExcluded_regex() {
-        let target = Config(githubs: [], excludes: ["/^lib.*$/"])
+        let target = Config(githubs: [], excludes: ["/^lib.*$/"], renames: [:])
         XCTAssertTrue(target.excluded(name: "lib1"))
         XCTAssertTrue(target.excluded(name: "lib2"))
         XCTAssertFalse(target.excluded(name: "hello"))
     }
+
+    func testApply_filterExcluded() {
+        let config = Config(githubs: [], excludes: ["lib2"], renames: [:])
+        let shouldBeIncluded = GitHub.init(name: "lib1", owner: "o1")
+        let result = config.filterExcluded([shouldBeIncluded, GitHub(name: "lib2", owner: "o2")])
+        XCTAssertEqual(result, [shouldBeIncluded])
+    }
+
+    func testApply_githubs() {
+        let github1 = GitHub(name: "github1", owner: "g1")
+        let config = Config(githubs: [github1], excludes: ["lib2"], renames: [:])
+        let shouldBeIncluded = GitHub(name: "lib1", owner: "o1")
+        let result = config.apply(githubs: [shouldBeIncluded, GitHub(name: "lib2", owner: "o2")])
+        XCTAssertEqual(result, [github1, shouldBeIncluded])
+    }
+
+    func testApply_rename() {
+        var cocoapod1 = CocoaPodsLicense(library: CocoaPods(name: "lib1"), body: "body")
+        let config = Config(githubs: [], excludes: [], renames: ["lib1": "lib1_renamed"])
+        let result = config.rename(licenses: [cocoapod1]) as! [CocoaPodsLicense]
+
+        cocoapod1.name = "lib1_renamed"
+        XCTAssertEqual(result, [cocoapod1])
+    }
 }
diff --git a/Tests/LicensePlistTests/Entity/HasNameTests.swift b/Tests/LicensePlistTests/Entity/HasNameTests.swift
index 33bf67bb..ee465ba6 100644
--- a/Tests/LicensePlistTests/Entity/HasNameTests.swift
+++ b/Tests/LicensePlistTests/Entity/HasNameTests.swift
@@ -3,12 +3,4 @@ import XCTest
 @testable import LicensePlistCore
 
 class HasNameTests: XCTestCase {
-
-    func testfilterExcluded() {
-        let config = Config(githubs: [], excludes: ["lib2"])
-        let shouldBeIncluded = GitHub.init(name: "lib1", owner: "o1")
-        let result = [shouldBeIncluded, GitHub.init(name: "lib2", owner: "o2")]
-        .filterExcluded(config: config)
-        XCTAssertEqual(result, [shouldBeIncluded])
-    }
 }