マルチタスクをこなすにとっ社員にとって、セカンドモニターを使用することは生産性を大幅に向上させることができます。ホームオフィスの方やデュアルスクリーンを持っていない学生の方へ。使用していないiPadを簡単にコンピュータのセカンドモニターに変える方法をご紹介します。

iPadを第二画面として使用するメリット：

1. 画面スペースを増やして同時により多く表示できます。マルチタスクユーザーは、ウィンドウの切り替えを避けることで時間を節約できます。

2. 各画面が独立して動作するため、作業スペースがより整理されます。

ビデオ編集では、一つの画面を編集に、もう一つの画面を素材置き場に。論文を書く場合、片方の画面で執筆、もう片方で情報を検索などです。

3. iPadの画面サイズは十分大きく、表示品質も非常に良好です。デザイン作業のニーズがあるユーザーやMacBookユーザーにとって、追加のスクリーンを購入するよりもコスト効率が高く、色差の問題もありません。

4. 多くの人が家にiPadを持っています。この手持ちのデバイスをデュアルスクリーンとして使用することで、別のスクリーンを購入するコストや置くスペースを節約できます。

MacでiPadをセカンドスクリーンとして使用する方法は？

Appleのネイティブ機能であるApple Sidecarを使用すると、iPadをMacBookやiMacの外部ディスプレイとして使用できます。簡単な設定を行うだけで、iPadとコンピュータ間のシームレスな接続が可能です。

注意：Apple Sidecarを使用するには、2台のデバイスが同じApple IDにログインしているか、同じネットワークに接続していることが必要です。両方のデバイスにBluetooth、Wi-Fiがオンになっており、距離は10メートル以内である必要があります。

ステップ1 ディスプレイ設定：

Macシステム設定を開き、サイドバーの「ディスプレイ」クリック >> 右側の「＋」ポップアップメニューをクリックし、iPadを選択します。

iPadを選択し、使用設定を「拡張ディスプレイ」に変更します。Macの上部ツールバーのAirplay設定を確認し、iPadを「別のディスプレイとして使用」に設定します。

ステップ2：画面を拡張する

設定が完了すると、iPadがMacのセカンドディスプレイとなります。MacからiPadにウィンドウをスムーズにドラッグすることができます。また、iPadのサイドバーを使用したり、システムディスプレイ設定でサイドバーの位置を変更したりできます。

MacBookスクリーン（左）とiPadスクリーン（右）

WindowsでiPadをセカンドスクリーンとして使用する方法は？

Apple Sidecarは、2016年以降に発売されたMacとiPadOS13以上のみをサポートします。古いAppleデバイスやWindowsデバイスを使用している場合でも、DeskInリモートソフトウェアを利用して画面拡張を行うことができます。iPadをMacやWindowsのセカンドディスプレイとして使用でき、その滑らかさはSidecarに劣りません。

ステップ1：DeskInアカウントをダウンロードして登録する

コンピューターとiPadにDeskInをダウンロードし、無料アカウントを登録して別々にログインします。

注意: 新しいデバイスに初めてログインする際には、アカウントのセキュリティを保護するためにメール認証を完了する必要があります。

ステップ2：画面を拡張する

Windows/MacコンピュータでDeskInアプリを開き、「スクリーン管理」タブに行き、「画面を拡張する」をクリックします。

iPadを選択し、「拡張を開始」をクリックします。接続が完了すると、iPadはWindows/Macコンピューターのセカンドディスプレイとなり、2つのスクリーンを1つのもののようにウィンドウを移動できます。

コンピュータスクリーン（左）とiPadスクリーン（右）

ステップ3：システムディスプレイ設定

拡張後、iPadがコンピュータ画面の内容をミラーリングしているだけの場合はWindowsシステム設定 >>ディスプレイ設定に行き、「これらのディスプレイを拡張」を選択してください。2つの画面をドラッグして画面の位置を変更することもできます。

まとめ

この記事では、DeskInリモートデスクトップソフトウェアを使用してiPadをMacおよびWindowsコンピューターの「セカンドスクリーン」にする方法を紹介します。これは、同時に複数のタスクを処理し、生産性を向上させたい方に特に有用です。MacBook、iPad、Androidタブレット、およびWindows PCで動作する画面拡張ツールを探している場合、DeskInリモートデスクトップは最適なソリューションです。DeskInをダウンロードして、ぜひお試しください！

Remote access should feel like flipping a light switch, not decoding a control panel. Yet many users exploring RustDesk eventually run into friction: connection IDs, server setup, or occasional lag. While RustDesk is powerful, it’s not always the easiest or smoothest option, especially for non-technical users.
That’s why more people are actively searching for a reliable RustDesk alternative that combines performance, simplicity, and flexibility. Whether you want a plug-and-play solution or something more advanced, this guide will help you find the best fit.

Why You Need a RustDesk Alternative (and How to Choose One)

RustDesk stands out as a privacy-friendly, self-hosted remote desktop tool. However, real-world usage reveals a few common challenges:

• Complicated setup for the RustDesk self-hosted environments

• Manual connection steps requiring IDs and passwords

• Occasional latency or unstable connections

• Limited user-friendly features out of the box

For many users, especially those helping family or managing multiple devices, simplicity matters just as much as control.

How to Choose the Right RustDesk Alternative

When evaluating a RustDesk alternative, focus on these key factors:

• Ease of use: Quick setup without technical overhead

• Performance: Smooth, low-latency remote sessions

• Compatibility: Support for Windows, macOS, Linux, and mobile

• Security: Strong encryption and access controls

• Flexibility: Options ranging from cloud-based to open source

The ideal tool strikes a balance between power and convenience, something many modern solutions now deliver better than traditional setups.

Quick Comparison of the Best RustDesk Alternatives

Here’s a quick breakdown of the top tools and where they shine:

• DeskIn – Best all-in-one RustDesk alternative for performance and ease of use

• AnyDesk – Best lightweight tool for fast connections

• TeamViewer – Best for enterprise-grade remote support

• MeshCentral – Best open-source and self-hosted solution

• DWService – Best free browser-based tool

• Chrome Remote Desktop – Best simple, no-frills option

1. DeskIn – Best RustDesk Alternative for Seamless Performance and Ease of Use

Pros

• Ultra-low latency with smooth high-frame-rate streaming

• No complex setup or server deployment required

• Cross-platform including Rustdesk alternative for Android

• Secure with encryption and device control features

• Built-in file transfer and multi-device management

Cons

• Smaller awareness than legacy competitors

Best for: Users who want a powerful yet simple remote desktop solution

DeskIn removes the friction that often comes with remote access tools. Instead of relying on IDs or manual configurations, it offers a streamlined connection experience that works right out of the box. This makes it especially valuable for users supporting non-technical family members or managing multiple remote devices.

Performance is where DeskIn truly distinguishes itself. Compared to RustDesk, which can sometimes struggle with latency, DeskIn delivers consistently smooth sessions with minimal lag. It also eliminates the need for self-hosting, making it a strong free RustDesk alternative option for users who want powerful features without the complexity.

For those exploring options beyond the RustDesk alternative GitHub projects, DeskIn provides a polished, ready-to-use experience that balances simplicity with professional-grade performance.

2. AnyDesk – Best Lightweight Alternative for Fast Connections

Pros

• Lightweight and fast installation

• Good performance on low bandwidth

• Cross-platform support

• Easy-to-use interface

Cons

• Performance may drop during long sessions

• File transfer can be inconsistent

Best for: Users needing quick and simple remote access

AnyDesk is often considered a natural step up from RustDesk for users who want something easier to deploy. It offers a lightweight application that connects quickly and performs well under normal conditions. This makes it suitable for quick troubleshooting or occasional remote access.

However, performance consistency can be an issue. Users frequently report lag or instability during extended sessions or when handling more demanding tasks. While AnyDesk is a solid option for basic needs, it may not fully satisfy users looking for a more robust, all-in-one solution.

3. TeamViewer – Best for Enterprise Remote Support and Cross-Platform Access

Pros

• Enterprise-grade security with encryption and 2FA

• Stable performance across global networks

• Rich features like file transfer and session recording

• Broad device compatibility

Cons

• Expensive for commercial use

• Free version has limitations

• Heavier resource usage on some systems

Best for: Businesses and IT teams managing multiple endpoints

TeamViewer has long been a dominant player in the remote desktop space, offering a comprehensive suite of features designed for enterprise environments. It excels in reliability and global connectivity, making it a popular choice for IT support teams.

That said, its pricing model is a major drawback for many users. Frequent users may quickly encounter licensing restrictions, and costs can escalate for businesses. Additionally, its heavier footprint can impact performance on lower-end devices. DeskIn offers a more modern alternative by delivering similar performance and essential features without the same cost barriers. For users who want enterprise-level capabilities with better efficiency, it presents a compelling option.

4. MeshCentral – Best Open-Source Self-Hosted Alternative

Pros

• Fully RustDesk alternative open source solution

• Web-based management dashboard

• Supports multi-device environments

• Strong customization and control

Cons

• Complex setup and maintenance

• Requires technical expertise

Best for: Advanced users needing a Rustdesk alternative self-hosted

MeshCentral is a powerful open-source platform designed for users who want full control over their remote access infrastructure. It supports multiple devices and provides a centralized dashboard for management, making it attractive for IT professionals.

However, this flexibility comes with complexity. Setting up and maintaining a MeshCentral server requires technical knowledge, which can be a barrier for many users. Compared to this, DeskIn offers a much simpler deployment process while still delivering strong performance and security. For users who prioritize ease of use over full control, modern solutions like DeskIn provide a more accessible alternative.

5. DWService – Best Free and Browser-Based Alternative

Pros

• Completely free

• Browser-based access

• Open-source foundation

• Simple setup

Cons

• Limited performance

• Basic feature set

Best for: Users looking for a simple, free RustDesk alternative

DWService offers a browser-based approach to remote access with no heavy installation, making it convenient for quick connections in restricted environments. It supports both desktop access and file management across major platforms.

However, performance often feels sluggish, especially on demanding tasks, and features remain basic; lacking session recording, smooth multi-monitor support, or advanced security controls. While suitable for occasional personal use, it falls short for professional or high-performance scenarios.

6. Chrome Remote Desktop – Best Simple Remote Access Tool

Pros

• Free and easy to use

• Browser-based setup

• Cross-platform compatibility

Cons

• Very limited features

• No advanced management or collaboration tools

Best for: Casual users needing basic remote access

Chrome Remote Desktop is one of the simplest remote access tools available. It’s easy to set up and works across devices, making it a convenient choice for occasional use.

However, it lacks many essential features such as file transfer, session management, and advanced security controls. For users with more demanding needs, it quickly becomes insufficient. Compared to Chrome Remote Desktop, DeskIn provides a much more complete experience without sacrificing ease of use, making it a better long-term solution.

FAQs About Best RustDesk Alternatives

1. Why should I look for a RustDesk alternative?

RustDesk is powerful but can be difficult to set up and manage, especially with self-hosting. Many users prefer tools that offer similar performance without technical complexity. DeskIn simplifies remote access while maintaining strong performance and security.

2. What is the best free RustDesk alternative?

Several tools qualify as a free RustDesk alternative, including DWService and Chrome Remote Desktop. However, DeskIn stands out by offering better performance and usability even in its free version.

3. Is there an open-source alternative to RustDesk?

Yes, tools like MeshCentral and DWService are considered RustDesk alternative open source options. They provide flexibility and control but often require technical expertise to set up and maintain.

4. Which RustDesk alternative is best for beginners?

Beginners should choose tools with a simple setup and intuitive interfaces. DeskIn is an excellent option because it removes the need for manual configuration while still delivering advanced features.

Conclusion

RustDesk is a powerful starting point, but it’s not always the easiest or most efficient tool for everyday use. From setup complexity to performance limitations, many users eventually look for a better RustDesk alternative.

Among all the options, DeskIn stands out as the most balanced solution. It combines speed, simplicity, and cross-platform support into one seamless experience. If you’re ready to move beyond technical friction and enjoy truly smooth remote access, DeskIn is a choice that simply works.

Remote desktop access used to feel like a solid bridge. Now, for many users, traditional RDP feels more like a creaky rope ladder. With performance issues, security concerns, and limited cross-platform support, it's no surprise that more people are actively searching for a better RDP alternative that actually keeps up with modern workflows.

If you're managing multiple servers, working across devices, or just tired of unstable connections, this guide will walk you through the best tools worth switching to.

What is RDP Desktop?

RDP (Remote Desktop Protocol) is a proprietary protocol developed by Microsoft that allows users to connect to another computer over a network. It's widely used for accessing Windows servers, virtual machines, and remote workstations.

While powerful in controlled environments, RDP is often tied to Windows systems and requires configuration like port forwarding or VPNs. Compared to newer tools, it can feel rigid and outdated.

Why You Need an RDP Alternative

RDP still works, but it comes with trade-offs that many users find frustrating:

• Security risks if not properly configured

• Complex setup for remote or external access

• Limited cross-platform compatibility

• Performance issues over unstable networks

Many IT teams are now actively replacing it, especially when looking for a Windows RDP client alternative or something that works seamlessly across macOS, Linux, and mobile devices. That's where modern Remote Desktop alternatives shine.

Quick Comparison of the Best RDP Alternatives

Choosing the right tool is like picking the right vehicle. Some are built for speed, others for heavy-duty enterprise work. Here's a quick snapshot:

• DeskIn – Best all-in-one RDP alternative for performance and cross-platform use

• TeamViewer – Best for enterprise remote support

• AnyDesk – Best lightweight option for fast connections

• RustDesk – Best Windows RDP alternative open-source solution

• Remmina – Best RDP alternative for Linux users

• Chrome Remote Desktop – Best simple browser-based tool

• Splashtop – Best for high-performance business environments

1. DeskIn – Best RDP Alternative for Cross-Platform Performance

Pros

• Ultra-low latency with smooth high-frame-rate streaming

• Works across Windows, macOS, Linux, iOS, and Android

• Strong encryption and secure access controls

• Built-in file transfer and multi-session support

Cons

• Newer compared to legacy brands

Best for: Users who want a powerful, flexible RDP alternative

DeskIn feels less like remote access and more like teleportation for your desktop. Whether you're managing servers, supporting clients, or working remotely, it delivers consistently smooth performance without the usual lag spikes seen in traditional RDP setups.

Unlike many tools, DeskIn eliminates the need for complex configurations. You don't need to wrestle with firewalls or VPNs just to connect. It also works seamlessly across platforms, making it a strong alternative to Microsoft Remote Desktop for Mac and mobile users alike.

For teams juggling multiple systems, DeskIn provides a unified experience that replaces fragmented workflows. It's also a strong free RDP alternative option with premium-level capabilities, making it ideal for both individuals and businesses.

2. TeamViewer – Best for Enterprise Remote Support

Pros

• Enterprise-grade security and compliance

• Extensive feature set including collaboration tools

• Cross-platform compatibility

• Reliable global performance

Cons

• Expensive licensing

• Can be overkill for individuals

Best for: Enterprises needing secure and scalable remote access

TeamViewer is a comprehensive remote desktop platform widely adopted by IT teams, support professionals, and enterprises. Its feature set extends far beyond simple screen sharing—it includes robust device management, remote printing, file transfer, session recording, and even augmented reality support for field service. TeamViewer's security architecture relies on AES‑256 encryption, two‑factor authentication, and whitelisting, making it suitable for organizations with strict compliance requirements. It runs on virtually every operating system and mobile platform.

The main trade‑off is its pricing: licenses are subscription‑based and can become expensive for small teams or individual users, especially as TeamViewer aggressively flags personal use as commercial, leading to session restrictions.

3. AnyDesk – Best Lightweight RDP Alternative for Speed

Pros

• Fast and responsive

• Lightweight installation

• Works well on low bandwidth

• Easy to use

Cons

• File transfer can be inconsistent

• Lag during longer sessions

Best for: Users needing quick, simple remote access

AnyDesk is a lightweight remote desktop application prized for its speed and efficiency, often recommended as a fast alternative to Microsoft's native Remote Desktop on Windows 10 and Android. It uses a proprietary video codec, DeskRT, to achieve low latency even on limited bandwidth, making it ideal for quick support sessions and accessing devices over mobile networks. The interface is clean and minimalist, with features like address book management, file transfer, and session recording available.

However, users frequently report instability during extended sessions; performance can degrade over time, and file transfers may slow considerably compared to competitors. While its free version is generous for personal use, professional users often find the performance ceiling limits its suitability for continuous, demanding workloads. DeskIn, by contrast, maintains consistent performance even during extended use, making it better suited for professional workloads.

4. RustDesk – Best Open-Source RDP Alternative for Privacy

Pros

• Free and open-source

• Self-hosting for full control

• Strong privacy protection

• Active community

Cons

• Technical setup required

• Limited user-friendly features

Best for: Developers and privacy-focused users

RustDesk has emerged as a leading open‑source remote desktop alternative, appealing to developers and organizations that require full control over their data. It allows users to self‑host the relay and rendezvous servers, meaning no third‑party infrastructure handles connection metadata. Built with Rust, it offers a modern codebase with cross‑platform clients (Windows, macOS, Linux, Android, iOS) and supports essential features such as file transfer, TCP tunneling, and customizable address books.

The major barrier is its complexity: deploying a self‑hosted environment requires technical expertise to configure firewalls, SSL certificates, and ongoing server maintenance. For those using the public relay, performance can be inconsistent depending on server load and geographic proximity.

5. Remmina – Best Linux RDP Alternative

Pros

• Open-source and free

• Supports multiple protocols including RDP and VNC

• Lightweight and flexible

• Native to Linux environments

Cons

• Limited features compared to modern tools

• UI can feel outdated

Best for: Linux users looking for a traditional RDP alternative Linux

Remmina is a beloved open‑source remote desktop client for Linux, supporting multiple protocols (RDP, VNC, SSH, SPICE, and others) in a single unified interface. It is frequently chosen by system administrators and Linux enthusiasts who need a flexible, lightweight tool to manage diverse environments. Remmina offers tabbed sessions, quick‑connect profiles, and a plugin system that extends its capabilities.

However, its strength - protocol flexibility, also highlights its limitations. As a frontend client rather than a full remote access solution, it lacks features like unattended access, centralized account management, or robust session recording out of the box. Performance can vary by protocol, and the user experience lags behind more polished commercial tools, particularly for users seeking a plug‑and‑play setup.

6. Chrome Remote Desktop – Best Free and Simple Option

Pros

• Free and easy to use

• Browser-based setup

• Cross-platform access

Cons

• Very limited features

• No advanced management tools

Best for: Casual users needing basic remote access

Chrome Remote Desktop is a free, browser‑based remote access tool from Google that requires nothing more than a Chrome browser and a Google account. It excels in simplicity: installation takes seconds, and connections are mediated through Google's infrastructure, eliminating complex firewall configurations. For occasional use—such as helping a family member or quickly accessing a home computer—it works reliably across Windows, macOS, Linux, and even ChromeOS.

The trade‑off is its minimal feature set. There is no native file transfer, multi‑session management, remote printing, or granular permission controls. Collaboration tools are absent, and the reliance on a Google account for authentication can be a limitation in professional environments. It remains a convenient entry‑level tool but struggles to meet the needs of power users or IT teams.

7. Splashtop – Best for High-Performance Business Use

Pros

• High-quality streaming performance

• Strong security features

• Good for business environments

• Reliable connections

Cons

• Subscription-based pricing

• Limited free version

Best for: Businesses needing performance-focused remote access

Splashtop is a high‑performance remote desktop solution frequently adopted by creative professionals, educational institutions, and enterprises that prioritize fluid interaction. It delivers low‑latency streaming with support for high‑frame‑rate displays, making it suitable for video editing, CAD work, and other graphics‑intensive tasks. Splashtop offers a range of editions—from Business Access to SOS for on‑demand support—all of which include robust security (AES‑256, device authentication) and features like file transfer, remote printing, and multi‑monitor navigation. Its performance over local networks and the internet is consistently praised.

The primary drawback is cost: while competitive, the subscription model can accumulate quickly for users needing access to multiple devices or advanced features, especially when compared to similarly capable tools with more flexible pricing structures. DeskIn offers similar performance benefits with a more flexible pricing structure, making it a compelling alternative.

FAQs About Best RDP Alternatives

Why should I look for an RDP alternative?

RDP can be difficult to configure, less secure if exposed, and limited outside Windows environments. Modern tools like DeskIn provide better performance, security, and ease of use.

What is the best RDP alternative?

The best RDP alternative depends on your needs, but DeskIn stands out for its balance of speed, security, and cross-platform compatibility.

Is there a free RDP alternative?

Yes, several tools qualify as an RDP alternative free, including RustDesk and Chrome Remote Desktop. DeskIn also offers a free tier with advanced capabilities.

Is Microsoft shutting down RDP?

Microsoft is evolving its remote desktop ecosystem, but traditional RDP isn't disappearing overnight. However, many users are already transitioning to more modern solutions like DeskIn for better reliability and flexibility.

Conclusion

RDP has served its purpose, but the digital world has outgrown its limitations. Whether you need better performance, stronger security, or true cross-platform access, switching to a modern RDP alternative is no longer optional, it's inevitable.

Among all the options, DeskIn stands out as a future-ready solution. It combines speed, simplicity, and power into one seamless experience, helping you leave behind the friction of traditional remote desktop tools and step into something far more efficient.