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Head-to-head · Web Application Firewall Software

open-appsec vs F5 WAF for Distributed Cloud

  • Updated Oct 2026
  • Both researched from official sources
  • 5 checks side by side
Higher score open-appsec #5 in Web Application Firewall Software 8.9/10 Open source ✓ 3 of 4 features Visit open-appsec
F5 WAF for Distributed Cloud #8 in Web Application Firewall Software 8.6/10 Pricing on request ✓ 4 of 4 features Visit F5

open-appsec leads on 0 checks, F5 WAF for Distributed Cloud on 0, and 5 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreopen-appsec · 8.9/10
  • Most featuresF5 WAF for Distributed Cloud · 4 of 4

open-appsec scores higher on our rubric for web application firewall software: 8.9 against 8.6 out of 10; our editors rank them #5 and #8.

open-appsec is the better fit for cloud-native teams wanting open-source ML protection. F5 WAF for Distributed Cloud is the better fit for organizations wanting flexible F5 hybrid deployment.

  • open-appsec fits best

    Cloud-native teams wanting open-source ML protection

  • F5 WAF for Distributed Cloud fits best

    Organizations wanting flexible F5 hybrid deployment

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature open-appsec 8.9/10 Visit ↗ F5 WAF for Distributed Cloud 8.6/10 Visit ↗
At a glance
Editor score 8.9 8.6
Ranking #5 in Web Application Firewall Software #8 in Web Application Firewall Software
Best for Cloud-native teams wanting open-source ML protection Organizations wanting flexible F5 hybrid deployment
Pricing model Free Paid
Starting price Open source Pricing on request
Free plan Not checked yet —
Free trial — —
Deployment Cloud, Self-hosted Cloud, Self-hosted
Platforms Web, Linux Web
Support Docs Email, Phone, Tickets, Docs · 24/7
Integrations 12 integrations 7 integrations
Built for Small business, Mid-market, Enterprise Mid-market, Enterprise
Features open-appsec 3/4 · F5 WAF for Distributed Cloud 4/4
Managed rule sets Not checked yet ✓ (best)
API protection ✓ ✓
Bot management ✓ ✓
Rate limiting ✓ ✓
Specs
Deployment model Hybrid Hybrid
Log retention Not checked yet 7 days
Our review
Pros
  • Machine-learning protection for OWASP Top 10 and zero-day threats
  • API discovery, schema validation, anti-bot, and rate limiting
  • Integrates with Kubernetes, proxies, gateways, and service meshes
  • Hybrid coverage across public cloud, on-premises, edge, and F5 network PoPs
  • AI risk scoring, managed signatures, bot protection, and API controls
  • Terraform, public APIs, vesctl, and integrations with major operations tools
Cons
  • Requires proxy, gateway, ingress, or service-mesh integration
  • Advanced capabilities may require more security configuration work
  • Central SaaS management is optional rather than the only operating model
  • Pricing requires contact with F5 rather than a published product table
  • No free plan is available
  • Firewall and event log retention is stated as seven days
Our verdict

open-appsec is an open-source web application firewall and API security solution from Check Point Software Technologies Ltd. It is designed for teams protecting web applications and APIs across Kubernetes, Docker, or Linux environments.…

Read the review →

F5 WAF for Distributed Cloud protects web applications and APIs across public clouds, on-premises environments, customer-edge sites, and F5 global network points of presence. It is designed for organizations running distributed, hybrid, or…

Read the review →
  1. open-appsecWeb Application Firewall Software 8.9Open source
  2. F5 WAF for Distributed CloudWeb Application Firewall Software 8.6Pricing on request

Strengths and trade-offs

  • open-appsec — where it wins

    • Machine-learning protection for OWASP Top 10 and zero-day threats
    • API discovery, schema validation, anti-bot, and rate limiting
    • Integrates with Kubernetes, proxies, gateways, and service meshes

    Where it doesn't

    • Requires proxy, gateway, ingress, or service-mesh integration
    • Advanced capabilities may require more security configuration work
    • Central SaaS management is optional rather than the only operating model

  • F5 WAF for Distributed Cloud — where it wins

    • Hybrid coverage across public cloud, on-premises, edge, and F5 network PoPs
    • AI risk scoring, managed signatures, bot protection, and API controls
    • Terraform, public APIs, vesctl, and integrations with major operations tools

    Where it doesn't

    • Pricing requires contact with F5 rather than a published product table
    • No free plan is available
    • Firewall and event log retention is stated as seven days
  • open-appsec8.9/10 · Open source

    A flexible open-source WAF for cloud-native web applications and APIs.

    Visit open-appsecFull verdict →
  • F5 WAF for Distributed Cloud8.6/10 · Pricing on request

    A flexible hybrid WAF with strong automation, API, bot, and rate-limiting coverage.

    Visit F5Full verdict →

More comparisons

All web application firewall software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update