diff --git a/NGTools.xcodeproj/project.pbxproj b/NGTools.xcodeproj/project.pbxproj
index 2494d43..0f53505 100644
--- a/NGTools.xcodeproj/project.pbxproj
+++ b/NGTools.xcodeproj/project.pbxproj
@@ -64,6 +64,7 @@
 		B295F3B4290772E500CB4087 /* CryptoSwift in Frameworks */ = {isa = PBXBuildFile; productRef = B295F3B3290772E500CB4087 /* CryptoSwift */; };
 		EDA367DA2BDBF7D90070383D /* VersionRange.swift in Sources */ = {isa = PBXBuildFile; fileRef = EDA367D92BDBF7D90070383D /* VersionRange.swift */; };
 		EDA367DC2BDBF8430070383D /* VersionRangeTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = EDA367DB2BDBF8430070383D /* VersionRangeTests.swift */; };
+		F718AA012C10B4E700137A5E /* ThreadSafeSet.swift in Sources */ = {isa = PBXBuildFile; fileRef = F718AA002C10B4E700137A5E /* ThreadSafeSet.swift */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXContainerItemProxy section */
@@ -133,6 +134,7 @@
 		B295F3AD2907729D00CB4087 /* CryptoRSA.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = CryptoRSA.swift; sourceTree = "<group>"; };
 		EDA367D92BDBF7D90070383D /* VersionRange.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = VersionRange.swift; sourceTree = "<group>"; };
 		EDA367DB2BDBF8430070383D /* VersionRangeTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = VersionRangeTests.swift; sourceTree = "<group>"; };
+		F718AA002C10B4E700137A5E /* ThreadSafeSet.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = ThreadSafeSet.swift; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
 /* Begin PBXFrameworksBuildPhase section */
@@ -208,6 +210,7 @@
 		A42157BA26EA34CA008C21D2 /* Utils */ = {
 			isa = PBXGroup;
 			children = (
+				F718AA002C10B4E700137A5E /* ThreadSafeSet.swift */,
 				A4F8E8292A86BD1C0058F809 /* Storage */,
 				A4C75F4E27BED95B00F752A3 /* Migration */,
 				A42157BB26EA34CA008C21D2 /* curry.swift */,
@@ -460,6 +463,7 @@
 				A421580E26EA350F008C21D2 /* String+Extensions.swift in Sources */,
 				A421580526EA350F008C21D2 /* URL+Extensions.swift in Sources */,
 				A4C75F5027BED96E00F752A3 /* MigrationRunner.swift in Sources */,
+				F718AA012C10B4E700137A5E /* ThreadSafeSet.swift in Sources */,
 				A421580C26EA350F008C21D2 /* NSDirectionalEdgeInsets+Extensions.swift in Sources */,
 				A494C0B927C40EC700EA0C37 /* MigrationTaskState.swift in Sources */,
 				B295F3B02907729D00CB4087 /* CryptoRSA.swift in Sources */,
diff --git a/Sources/NGTools/Utils/ThreadSafeSet.swift b/Sources/NGTools/Utils/ThreadSafeSet.swift
new file mode 100644
index 0000000..bef87f5
--- /dev/null
+++ b/Sources/NGTools/Utils/ThreadSafeSet.swift
@@ -0,0 +1,44 @@
+//
+//  File.swift
+//  
+//
+//  Created by Jeanne Creantor, N'rick (Ordinateur) on 2024-06-04.
+//
+
+import Foundation
+
+public class ThreadSafeSet<T: Hashable> {
+    private var set: Set<T> = []
+    private let queue = DispatchQueue(label: "com.nuglif.safeThreadSet.\(T.self)", attributes: .concurrent)
+
+    public init(set: Set<T> = []) {
+        self.set = set
+    }
+
+    public func insert(_ newElement: T) {
+        queue.async(flags: .barrier) {
+            self.set.insert(newElement)
+        }
+    }
+
+    public func remove(_ member: T) {
+        queue.async(flags: .barrier) {
+            self.set.remove(member)
+        }
+    }
+
+    public func removeAll() {
+        queue.async(flags: .barrier) {
+            self.set.removeAll()
+        }
+    }
+
+    public func contains(_ member: T) -> Bool {
+        queue.sync { set.contains(member) }
+    }
+
+    public func first(where predicate: (T) -> Bool) -> T? {
+        queue.sync { set.first(where: predicate) }
+    }
+}
+
diff --git a/Tests/NGToolsTests/ThreadSafeSetTests.swift b/Tests/NGToolsTests/ThreadSafeSetTests.swift
new file mode 100644
index 0000000..0fe356f
--- /dev/null
+++ b/Tests/NGToolsTests/ThreadSafeSetTests.swift
@@ -0,0 +1,65 @@
+//
+//  ThreadSafeSetTests.swift
+//  
+//
+//  Created by Jeanne Creantor, N'rick (Ordinateur) on 2024-06-04.
+//
+
+import XCTest
+
+import NGTools
+
+final class ThreadSafeSetTests: XCTestCase {
+
+    func testConcurrencyInsertionAndRemove() {
+        let set = ThreadSafeSet<UUID>()
+        let expectation = XCTestExpectation(description: "Testing")
+
+        let queueA = DispatchQueue(label: "TestQueueA", qos: .background)
+        let queueB = DispatchQueue(label: "TestQueueB", qos: .background)
+        let iterations = 1000
+        let requests = Array(repeating: UUID(), count: iterations)
+        var completed = 0
+
+        requests.forEach { request in
+            queueA.async { set.insert(request) }
+
+            queueB.async {
+                set.remove(request)
+                completed += 1
+                if completed == iterations - 1 {
+                    expectation.fulfill()
+                }
+            }
+        }
+
+        wait(for: [expectation], timeout: 3)
+    }
+
+    func testConcurrencyContainsAndRemove() {
+        let expectation = XCTestExpectation(description: "Testing")
+
+        let queueA = DispatchQueue(label: "TestQueueA", qos: .background)
+        let queueB = DispatchQueue(label: "TestQueueB", qos: .background)
+        let iterations = 1000
+        let requests = Array(repeating: UUID(), count: iterations)
+        let set = ThreadSafeSet<UUID>(set: Set(requests))
+        var completed = 0
+
+        requests.forEach { request in
+            queueA.async {
+                _ = set.contains(request)
+            }
+
+            queueB.async {
+                set.remove(request)
+                completed += 1
+                if completed == iterations - 1 {
+                    expectation.fulfill()
+                }
+            }
+        }
+
+        wait(for: [expectation], timeout: 3)
+    }
+}