open-appsec
Web application firewalls (WAF)
DevSecOps software
- Features
- Ease of use
- Ease of management
- Quality of support
- Affordability
- Market presence
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What is open-appsec
open-appsec is an open-source web application and API protection component that can be deployed as a WAF-like layer in front of web applications and services. It is commonly used by platform, security, and DevOps teams to add application-layer protections to Kubernetes ingress, reverse proxies, and API gateways as part of CI/CD and runtime security. The project emphasizes automated policy and behavior-based detection rather than manual rule tuning, and it is distributed to run in containerized and proxy-based environments.
Fits modern proxy/Kubernetes stacks
open-appsec is designed to integrate with common ingress and reverse-proxy deployment patterns, including containerized environments. This makes it practical for teams that already standardize on Kubernetes and proxy-based traffic management. It can be deployed close to the application, which supports segmented architectures and per-service controls.
Open-source deployment flexibility
As an open-source project, open-appsec can be evaluated without vendor licensing and can be embedded into internal platform templates. Teams can standardize configurations across environments and automate rollout through infrastructure-as-code. This can reduce friction compared with products that require proprietary appliances or tightly coupled managed services.
Automation-oriented security controls
The project positions itself around reducing manual rule maintenance by using automated detection and policy generation approaches. This can help teams that struggle with frequent rule updates and false positives typical of traditional signature-heavy WAF operations. It also aligns with DevSecOps workflows where security controls are expected to be deployable and maintainable through pipelines.
Operational maturity varies by use
Compared with long-established enterprise WAF platforms, open-source WAF deployments can require more in-house operational ownership for tuning, monitoring, and incident response. Organizations may need to build their own runbooks, dashboards, and alerting integrations. This can increase time-to-production for teams without dedicated application security operations.
Support model depends on vendor
Open-source availability does not guarantee enterprise-grade support, SLAs, or long-term maintenance commitments for every deployment scenario. Buyers that require contractual support typically need to engage the commercial entity behind the project. This can be a constraint for regulated environments that require formal vendor assurances.
Feature parity not guaranteed
Some enterprise WAF capabilities—such as tightly integrated global edge delivery, advanced bot management, or turnkey managed rulesets—may not be available or may require additional components and integrations. Organizations may need to combine open-appsec with other infrastructure to match full-stack application security and performance needs. This can add architectural complexity in larger environments.
Plan & Pricing
| Plan | Price | Key features & notes |
|---|---|---|
| Free (Community) | $0 — Free (Unlimited HTTP requests) | Open-source Community Edition; free to use ("Free" edition listed on official pricing page). Local/declarative configuration supported; optional central WebUI (SaaS) is available and stated as included for all editions in the docs. |
| Premium Edition | Pay-as-you-go — Per 1M HTTP requests (price not listed publicly; contact sales) | Premium is billed pay‑as‑you‑go per 1M HTTP requests per the vendor pricing page. "Contact Me" shown for pricing; includes SaaS Web-based management, ML-based WAF features and expanded quotas compared to Free. |
| Enterprise Edition | Annual payment — Per 100M HTTP requests (price not listed publicly; contact sales) | Enterprise billed annually per 100M HTTP requests. Pricing page references CloudGuard WAF and CloudGuard WAF SaaS and shows "Contact Me" for purchase. |
Notes: All information sourced only from the vendor's official site ( and The public pricing page lists edition names and billing units but does not publish numeric price amounts; a pricing-request form exists that asks for expected monthly requests and edition selection.
Seller details
open-appsec (open-source project; commercial backing by Check Point Software Technologies Ltd.)
Open Source
https://www.openappsec.io/
