12 Best Perimeter 81 Alternatives for Windows in 2026

What is NordVPN?

NordVPN is a personal VPN service for individuals and remote workers who need reliable, encrypted internet connections across multiple devices. It routes traffic through a large server network spanning 60+ countries, enabling users to bypass geo-restrictions and maintain privacy on both home ...

What is Pritunl?

Pritunl is an open-source VPN platform for IT administrators and DevOps teams who need remote access and site-to-site connections at lower cost than commercial alternatives. Initial setup requires command-line configuration and manual certificate generation, so it is not suitable for teams ...

What is Cisco Anyconnect Secure Mobility Client?

Cisco AnyConnect Secure Mobility Client provides VPN connectivity for remote employees across any device, supporting wired, wireless, and VPN connections under policy-driven access controls. It includes multi-factor authentication, network access controls, and tools to identify and address ...

What is Twingate?

Twingate is the perfect security platform for both individual professionals and businesses. Its cloud-based service allows for the easy configuration and central management of user access. It ensures maximum protection of your network from malicious attacks and makes maintenance hassle-free. It ...

What is Azure DDoS Protection?

Azure DDoS Protection is a comprehensive cloud-based service designed to safeguard Azure applications from Distributed Denial of Service (DDoS) attacks. It provides real-time monitoring, automatic attack mitigation, and adaptive tuning to protect resources without impacting performance. ...

What is Radware Cloud DDoS?

Radware Cloud DDoS is a comprehensive cloud-based DDoS protection solution designed to safeguard enterprises from volumetric, protocol, and application-layer attacks. Leveraging advanced behavioral analysis and machine learning, it provides real-time detection and mitigation of DDoS threats, ...

What is Imperva DDoS Protection?

Imperva DDoS Protection offers comprehensive defense against distributed denial-of-service attacks, ensuring uninterrupted availability and performance of your web applications and network infrastructure. Leveraging advanced traffic monitoring, real-time attack mitigation, and global threat ...

What is AWS Shield?

AWS Shield is a managed Distributed Denial of Service (DDoS) protection service that safeguards applications running on AWS. It provides always-on detection and automatic inline mitigations to minimize application downtime and latency. AWS Shield offers two tiers: Standard, which protects ...

What is Cloudflare DDoS Protection?

Cloudflare DDoS Protection offers robust, enterprise-grade defense against distributed denial-of-service attacks by leveraging Cloudflare's extensive global network. It automatically detects and mitigates large-scale and sophisticated DDoS attacks in real-time, ensuring uninterrupted website ...

What is Check Point Endpoint Security?

Check Point Endpoint Security offers a unified solution that combines data security, network security, advanced threat prevention technologies, and remote access VPN into a single package. Designed to deliver comprehensive protection for both Windows and Mac OS X environments, this solution ...

What is ALTCHA?

ALTCHA uses a proof-of-work mechanism to protect your website, APIs, and online services from spam and unwanted content. Unlike other solutions, ALTCHA is free, open-source, and self-hosted, without external services, does not use cookies nor fingerprinting, does not track users, and is fully ...

What is StoreLock?

StoreLock shines brightly as a bastion of security for Shopify stores. Emphasizing the importance of Shopify app security, StoreLock ensures a robust defense against potential threats, ranging from subtle content theft to aggressive hacker attacks. Its sophisticated Shopify antitheft system ...