# Citrix ADC (NetScaler) vs NGINX

| Attribute | Citrix ADC (NetScaler) | NGINX |
|---|---|---|
| **Vioscale score** | 36.8 (15% (low)) | 47.2 (7% (low)) |
| deployment.options | `{"cloud":true,"hybrid":true,"on_prem":true,"self_hosted":true}` | `{"cloud":true,"on_prem":true,"self_hosted":true}` |
| description.long | 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. | An open-source HTTP web server and reverse proxy that handles traffic routing, content caching, load balancing, and TCP/UDP proxying. It powers core web infrastructure and Kubernetes deployments. |
| features.capabilities | - | `{"layer":"both","open_source":true,"waf_bundled":false,"pricing_model":"open-source-self-host","deployment_form":"software/self-host","http2_http3_support":true,"k8s_ingress_or_gateway_api":true}` |
| integrations.count | 13 | 2 |
| integrations.list | `[{"name":"Red Hat OpenShift"},{"name":"Red Hat Ansible Automation Platform"},{"name":"Red Hat Enterprise Linux"},{"name":"Kubernetes"},{"name":"Splunk"},{"name":"Prometheus"},{"name":"Elasticsearch"},{"name":"Terraform"},{"name":"AWS CloudFormation"},{"name":"Let's Encrypt"},{"name":"Citrix Virtual Apps and Desktops"},{"name":"Citrix DaaS"},{"name":"Microsoft 365"}]` | `[{"name":"Kubernetes"},{"name":"Docker"},{"name":"OpenShift Container Platform"},{"name":"Gateway API"},{"name":"F5 WAF","native":false,"category":"security","direction":"bidirectional"}]` |
| market.availability | - | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"linux":true}` | `{"cli":true,"linux":true}` |
| pricing | `{"type":"subscription","plans":[{"free":false,"name":"Citrix Universal Hybrid Multi-Cloud License","features":["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","Software support included","On-demand training"],"description":"Comprehensive license supporting Citrix applications and NetScaler across any deployment environment with 1 Tbps throughput capacity","contactSales":true,"includedLimits":{"throughput":"1,000 Gbps","virtual_ips":"Unlimited","netscaler_instances":"Unlimited"}},{"free":false,"name":"Citrix Platform License","features":["Unlimited Gbps throughput capacity","End-to-end observability via NetScaler Console"],"description":"Extended license providing unlimited throughput capacity with all Universal License benefits","contactSales":true,"includedLimits":{"throughput":"Unlimited Gbps"}},{"free":false,"name":"NetScaler Fixed-Capacity License","features":["Defined number of NetScaler software instances","NetScaler Console not required"],"description":"License for a defined number of NetScaler instances scaled to specific throughput requirements","contactSales":true},{"free":false,"name":"Web-Scale Application Deployments","features":["Rapid scaling capabilities","Support for large concurrent user loads"],"description":"Custom subscription options for applications requiring rapid scaling and high concurrent user support","contactSales":true}],"summary":"Subscription-based licensing with multiple capacity options; contact sales for pricing details","freeTier":false,"sourceUrl":"https://www.netscaler.com/pricing","retrievedAt":"2026-08-19T13:43:02.024Z"}` | `{"type":"open_source","summary":"Open source. Commercial support and NGINX Plus (30-day trial) available through F5, Inc.","freeTier":true,"sourceUrl":"https://nginx.org","retrievedAt":"2026-08-19T13:44:38.584Z","freeTrialDays":30}` |
| pricing.free_tier | no | yes |
| pricing.model | quote | open_source |
| pricing.price_level | unknown | free |
| pricing.transparent | no | - |
| security.disclosure_policy | - | yes |
| security.trust_center | - | http://nginx.org/en/security_advisories.html |

## Capabilities (Load Balancers)

| Capability | Citrix ADC (NetScaler) | NGINX |
|---|:--:|:--:|
| **Capabilities** |  |  |
| Layer | - | Both |
| Deployment form | - | Software/self host |
| Tls termination | - | - |
| Http2 http3 support | - | ✓ |
| Gslb multi region | - | - |
| K8s ingress or gateway API | - | ✓ |
| WAF bundled | - | ✗ |
| Autoscaling integration | - | - |
| Health check depth | - | - |
| Session persistence | - | - |
| Fips 140 validated | - | - |
| Open source | - | ✓ |
| Pricing model | - | Open source self host |

*Source: Vioscale. Generated 2026-09-01T17:39:13.926Z. "-" = undocumented, not absent.*