Comparison

Citrix ADC (NetScaler) vs Envoy Proxy

No leader: the top candidate Envoy Proxy has only 0.20 confidence (low), below the 0.35 needed to declare a winner. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.

Machine formatsJSONMarkdownGraphQLor send Accept: application/json
Citrix ADC (NetScaler)11
Envoy Proxy50
Score
Vioscale score
Citrix ADC (NetScaler)11 / 100low · 12%
Envoy Proxy50 / 100low · 20%
Pricing
Free tier
Citrix ADC (NetScaler)
Envoy Proxy
Model
Citrix ADC (NetScaler)quote
Envoy Proxyopen_source
Price level
Citrix ADC (NetScaler)unknown
Envoy Proxyfree
Transparent
Citrix ADC (NetScaler)
Envoy Proxy
Integrations
Count
Citrix ADC (NetScaler)13
Envoy Proxy5
Security
Disclosure policy
Citrix ADC (NetScaler)
Envoy Proxy
Scorecard
Citrix ADC (NetScaler)
Envoy Proxy8.5
Adoption
Dependent repos
Citrix ADC (NetScaler)
Envoy Proxy33
Github stars
Citrix ADC (NetScaler)
Envoy Proxy28,822
Activity
Commits last 30d
Citrix ADC (NetScaler)
Envoy Proxy100
Release
History
Citrix ADC (NetScaler)
Envoy Proxy20 items
License
Spdx
Citrix ADC (NetScaler)
Envoy ProxyApache-2.0
Language
Primary
Citrix ADC (NetScaler)
Envoy ProxyC++
Market
Availability
Citrix ADC (NetScaler)

Capabilities

Feature-by-feature on the axes that matter for load balancers. “-” means undocumented, not absent.

Capabilities
Layer
Citrix ADC (NetScaler)-
Envoy Proxy-
Deployment form
Citrix ADC (NetScaler)-
Envoy Proxy-
Tls termination
Citrix ADC (NetScaler)-
Envoy Proxy-
Http2 http3 support
Citrix ADC (NetScaler)-
Envoy Proxy-
Gslb multi region
Citrix ADC (NetScaler)-
Envoy Proxy-
K8s ingress or gateway API
Citrix ADC (NetScaler)-
Envoy Proxy-
WAF bundled
Citrix ADC (NetScaler)-
Envoy Proxy-
Autoscaling integration
Citrix ADC (NetScaler)-
Envoy Proxy-
Health check depth
Citrix ADC (NetScaler)-
Envoy Proxy-
Session persistence
Citrix ADC (NetScaler)-
Envoy Proxy-
Fips 140 validated
Citrix ADC (NetScaler)-
Envoy Proxy-
Open source
Citrix ADC (NetScaler)-
Envoy Proxy-
Pricing model
Citrix ADC (NetScaler)-
Envoy Proxy-

What each one is

The product in its own terms, so the numbers below have context.

Citrix ADC (NetScaler)

NetScaler is an application delivery controller designed to manage traffic, security, and performance for applications deployed across on-premises data centers, cloud environments, and hybrid infrastructures. It includes integrated web application firewall and API security capabilities, plus real-time analytics for monitoring and troubleshooting.

Independently observed

Envoy Proxy

A high-performance distributed proxy that routes traffic in cloud-native and microservice architectures, with specialized support for streaming AI and LLM workloads, distributed tracing, and deep layer-7visibility across services.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Citrix ADC (NetScaler)

Subscription

Subscription-based licensing with multiple capacity options; contact sales for pricing details

  • Citrix Universal Hybrid Multi-Cloud LicenseContact sales
    • Citrix and NetScaler software entitlements
    • All NetScaler instance types (single tenant, multi-tenant, virtualized, containerized, bare metal)
    • Unlimited NetScaler software instances
    • Premium application and API protection
    • End-to-end observability with NetScaler Console
    • +2 more
  • Citrix Platform LicenseContact sales
    • Unlimited Gbps throughput capacity
    • End-to-end observability via NetScaler Console
  • NetScaler Fixed-Capacity LicenseContact sales
    • Defined number of NetScaler software instances
    • NetScaler Console not required
  • Web-Scale Application DeploymentsContact sales
    • Rapid scaling capabilities
    • Support for large concurrent user loads
as of verify ↗

Envoy Proxy

Open source
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Linux
Citrix ADC (NetScaler)
Envoy Proxy
CLI
Citrix ADC (NetScaler)
Envoy Proxy
Deployment
Cloud / SaaS
Citrix ADC (NetScaler)
Envoy Proxy
Self-hosted
Citrix ADC (NetScaler)
Envoy Proxy
On-premise
Citrix ADC (NetScaler)
Envoy Proxy
Hybrid
Citrix ADC (NetScaler)
Envoy Proxy

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

In common (1)
  • Prometheus

Citrix ADC (NetScaler)

13 total - 12 not shared
  • Red Hat OpenShift
  • Red Hat Ansible Automation Platform
  • Red Hat Enterprise Linux
  • Kubernetes
  • Splunk
  • Elasticsearch
  • Terraform
  • AWS CloudFormation
  • Let's Encrypt
  • Citrix Virtual Apps and Desktops
  • Citrix DaaS
  • Microsoft 365
Independently observed

Envoy Proxy

5 total - 4 not shared
  • MongoDB
  • DynamoDB
  • GCP
  • OpenTelemetry
Independently observed

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.