Pros of v2rayN

• User-friendly GUI for Windows users
• Extensive configuration options for advanced users
• Regular updates and active community support

Cons of v2rayN

• Limited to Windows platform
• May be overwhelming for beginners due to numerous settings

Code Comparison

v2rayN (C#):

public static int SetDNS(string dns)
{
    try
    {
        string[] dnsServers = dns.Split(',');
        List<IPAddress> ipAddresses = new List<IPAddress>();
        foreach (string dnsServer in dnsServers)
        {
            ipAddresses.Add(IPAddress.Parse(dnsServer.Trim()));
        }
        // ... (implementation continues)
    }
    catch (Exception ex)
    {
        Utils.SaveLog(ex.Message, ex);
    }
    return 0;
}

v2rayA (Go):

func (s *VPNService) SetDNS(dns []string) error {
    if len(dns) == 0 {
        return nil
    }
    var ips []net.IP
    for _, d := range dns {
        ip := net.ParseIP(d)
        if ip == nil {
            return fmt.Errorf("invalid DNS address: %s", d)
        }
        ips = append(ips, ip)
    }
    // ... (implementation continues)
}

The code comparison shows different approaches to setting DNS servers, with v2rayN using C# and v2rayA using Go. Both handle parsing IP addresses, but v2rayA's implementation appears more concise and type-safe.

Pros of v2ray-core

• Core functionality and protocol implementation
• Lightweight and efficient
• Highly customizable and extensible

Cons of v2ray-core

• Lacks a user-friendly interface
• Requires manual configuration and setup

Code comparison

v2ray-core:

type Server struct {
    access     sync.Mutex
    features   []feature.Feature
    featureIdx map[reflect.Type]int32
}

v2rayA:

<template>
  <div class="v2raya-container">
    <router-view></router-view>
  </div>
</template>

Key differences

v2ray-core is the foundational project that implements the core functionality and protocols for v2ray. It's designed to be lightweight and efficient, focusing on the underlying networking and proxy capabilities. However, it lacks a user-friendly interface and requires manual configuration.

v2rayA, on the other hand, is a web GUI client for v2ray-core. It provides a more accessible and user-friendly interface for managing v2ray configurations. v2rayA simplifies the setup process and offers a more intuitive experience for users who prefer graphical interfaces over command-line tools.

While v2ray-core is written primarily in Go and focuses on backend functionality, v2rayA utilizes Vue.js for its frontend, creating a more modern and interactive user experience. v2rayA builds upon the core functionality provided by v2ray-core, making it more accessible to a broader range of users.

Pros of Qv2ray

• More mature project with a larger user base and longer development history
• Supports a wider range of protocols and configurations
• Offers a more feature-rich GUI with advanced settings and customization options

Cons of Qv2ray

• Heavier resource usage due to its comprehensive feature set
• Steeper learning curve for new users
• Development has slowed down recently, with fewer updates

Code Comparison

v2rayA (Go):

func (s *Subscription) Update() error {
    content, err := httpGet(s.Url)
    if err != nil {
        return err
    }
    return s.parseContent(content)
}

Qv2ray (C++):

bool Subscription::Update()
{
    auto content = NetworkRequestHelper::HttpGet(url);
    if (content.isEmpty())
        return false;
    return ParseContent(content);
}

Both projects implement subscription updates, but v2rayA uses Go's error handling, while Qv2ray uses C++ boolean returns. v2rayA's implementation is more idiomatic for its language, while Qv2ray's approach is typical for C++ projects.

Pros of Xray-core

• More advanced protocol support, including VLESS and XTLS
• Higher performance and lower latency
• Active development with frequent updates

Cons of Xray-core

• Steeper learning curve for configuration
• Less user-friendly interface compared to v2rayA
• Requires more manual setup and management

Code Comparison

v2rayA (JavaScript):

const config = {
  inbounds: [{ port: 1080, protocol: "socks" }],
  outbounds: [{ protocol: "vmess", settings: { ... } }]
};

Xray-core (Go):

type Config struct {
    Inbounds  []InboundDetourConfig  `json:"inbounds"`
    Outbounds []OutboundDetourConfig `json:"outbounds"`
}

v2rayA is a web GUI for v2ray/Xray, providing a user-friendly interface for managing v2ray/Xray instances. It simplifies the configuration process and offers features like subscription management and routing rules.

Xray-core, on the other hand, is a powerful core library that extends v2ray with additional protocols and optimizations. It focuses on performance and advanced features, making it suitable for more experienced users who require fine-grained control over their proxy setup.

While v2rayA offers ease of use and simplified management, Xray-core provides greater flexibility and performance optimizations for those willing to invest time in configuration and setup.