flexiWAN

flexiWAN is an open-source SD-WAN and SASE platform for teams coordinating routing and security across distributed network edges. It is most compelling for enterprises and smaller service providers that need topology choices and automated multi-WAN operations. Its scope is broad, but the 10-site limit and minimum fees after the trial can narrow its fit.

Overview

Three components divide the work: flexiManage handles centralized management, flexiEdge provides local routing and security, and flexiAgent synchronizes and monitors. That structure gives network teams a central control point while keeping routing and security at the edge. Its hybrid deployment model suits organizations that want deployment choices, though coordinating the components will be more relevant to teams with networking expertise than to buyers seeking a simple standalone app.

The SaaS model is aimed at enterprises and small-to-medium service-provider deployments; the service-provider model is typically used by service providers and system integrators. The 10-site limit is a significant constraint for organizations planning a larger rollout, even though paid instance tiers extend well beyond ten flexiEdge instances. Site count and instance count are different measures, so buyers should not assume the instance tiers remove that site cap.

Key features

Routing and resilience

IPSec over VxLAN tunnels can be arranged as full-mesh, hub-and-spoke, or partial-mesh networks, giving administrators flexibility in connecting sites. Application-based path selection and internet breakout help direct traffic, while DHCP and static routes cover familiar network configuration needs. Zero-touch provisioning, automatic multi-WAN failover, load balancing across multiple tunnels, and AI-based network healing target repetitive setup and service continuity. These are useful strengths for teams managing several WAN links, but the provided site limit may rule out broader multi-location deployments.

Security and extensions

Firewall controls include application identification, port forwarding, and 1:1 NAT, and the platform supports two-factor login. Its modular App Store supports third-party firewall and security tools, WAN optimization, voice and video optimization, and DPI technologies. That extensibility can suit teams assembling a tailored edge stack; it also means the value of the platform depends partly on which additions a deployment needs.

flexiWAN publishes its source code for security review and directs vulnerability reports to its security contact, but it has no bounty program. That offers visibility into the code without a financial reporting incentive. During the 30-day trial, support is provided, with installation and configuration assistance as required.

Pricing

Enterprise SaaS pricing is per flexiEdge instance, with monthly and yearly billing options across different volume bands. The 1–5 instance tier is free and has a free trial available. For 1–10 instances, the annual plan is $33 a year and the monthly plan is $40 a month. At 11–100 instances, yearly billing is $25 a year and monthly billing is $30 a month. At 101–500, yearly billing is $21 a year and monthly billing is $25 a month. At 501–1,000, the yearly rate is $17 a year and the monthly rate is $20 a month. For 1,001–5,000 instances, the monthly plan is $12 a month.

Each paid rate is billed per instance per month despite the plan labels showing annual or monthly prices. The lower per-instance rates apply only at higher instance volumes, so smaller teams pay more per instance. Yearly billing reduces the rate in bands where both terms are offered, but commits buyers to that billing term. Only one account and trial period is offered per person, company, or organization, and minimum fees apply after the 30-day trial; that makes the free tier a limited evaluation path rather than a dependable no-cost option for an ongoing deployment. Service-provider model pricing is custom pricing.

Platforms

flexiWAN supports API, Linux, self-hosted, and web platforms. Cloud and VPS deployments include Google Cloud Platform, AWS EC2, Oracle Cloud, Hetzner Cloud, and DigitalOcean. Pre-built virtual appliances are available for VMware, KVM/QEMU/Proxmox, and VirtualBox, offering options for teams with different hosting environments. The roadmap lists a northbound REST API with access keys and flexiEdge-side APIs and UI; teams should not treat roadmap items as established capabilities.

Who it's for

flexiWAN is a reasonable fit for enterprises and smaller service providers that need centralized control, multiple topology options, and automation across WAN links. Service providers and system integrators may prefer the service-provider model. It is less suited to buyers that need more than 10 sites, a clearly bounded post-trial minimum cost, or a turnkey product with no need to assess deployment and component choices.

Pros and cons

Pros

• Flexible mesh topologies, application-aware routing, and internet breakout support varied site and traffic designs.
• Zero-touch provisioning, failover, tunnel load balancing, and network healing address operational resilience and repeat setup.
• Cloud, VPS, and virtual-appliance options accommodate multiple hosting environments.
• Open-source code can be reviewed, and the 30-day trial includes support and installation and configuration assistance.

Cons

• The 10-site limit can block larger deployments even when an instance tier allows many flexiEdge instances.
• Minimum fees begin after the trial, and only one trial is offered per person, company, or organization.
• Lower per-instance rates require higher instance counts, making the economics less favorable for small deployments.
• There is no vulnerability bounty program.

Alternatives

For a different SD-WAN option, compare SD-WAN Software.

Cloudflare Access is worth considering when a freemium service with a free plan for under 50 users and broad mobile, desktop, Linux, API, and web platform support matters more than flexiWAN's SD-WAN routing focus.

Arista NG Firewall may suit buyers seeking basic security and connectivity features on a free plan, while its free tier has limited capabilities.

D-Link Nuclias Cloud SD-WAN Gateway (DBG-2000) is a free-plan SD-WAN gateway option with Android, iOS, Linux, web, and Windows support; its listed licenses cost $111.99 a year for one year or 278.99 USD for three years.

Versa Zero Trust Network Access is a paid alternative with Essential and Professional plans, including a 10-application Essential plan.

Cato Client is a paid alternative with a commercial license purchased from Cato for one or more years.

ExtremeControl is another paid option, with its product priced separately.

AccessOne is another paid alternative for web, desktop, and mobile platforms.

Aryaka SD-WAN is worth comparing for secure SD-WAN, global connectivity, multi-cloud, WAN optimization, and secure remote access needs.

Verdict

Choose flexiWAN if your organization needs configurable SD-WAN routing, edge security, and centralized management, and its deployment model and site limit fit your network. The automation and deployment breadth are its strongest reasons to choose it. Look elsewhere if you need more than 10 sites or cannot accept minimum fees after a trial.