Features, pricing, ratings, and pros & cons — compared head-to-head.
Alma Platform is a commercial runtime application self-protection tool by Alma Security. DOMPurify is a free runtime application self-protection tool. Compare features, ratings, integrations, and community reviews side by side to find the best runtime application self-protection fit for your security stack.
Based on our analysis of core features, here is our conclusion:
Frontend developers and security teams protecting user-facing applications from XSS will find DOMPurify essential because it strips malicious scripts from HTML without breaking legitimate functionality, something most sanitizers fail at consistently. With 16,746 GitHub stars and active maintenance across thousands of production deployments, the library has been battle-tested against real XSS vectors that OWASP regularly updates. Skip this if your threat model requires server-side output encoding as your primary defense; DOMPurify is client-side hygiene, not a replacement for secure coding practices upstream.
Runtime app security platform for ADR, data flow tracking, and threat modeling.
DOMPurify is a fast XSS sanitizer for HTML, MathML, and SVG.
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Common questions about comparing Alma Platform vs DOMPurify for your runtime application self-protection needs.
Alma Platform: Runtime app security platform for ADR, data flow tracking, and threat modeling. built by Alma Security. Core capabilities include Auto-discovery and inventory of microservices, APIs, databases, and third-party secrets at runtime, Dynamic threat modeling across APIs, microservices, identities, queues, and databases, Application behavioral profiling for egress, ingress, and secrets..
DOMPurify: DOMPurify is a fast XSS sanitizer for HTML, MathML, and SVG..
Both serve the Runtime Application Self-Protection market but differ in approach, feature depth, and target audience.
Alma Platform is developed by Alma Security. DOMPurify is open-source with 16,746 GitHub stars. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.
Alma Platform and DOMPurify serve similar Runtime Application Self-Protection use cases: both are Runtime Application Self-Protection tools. Key differences: Alma Platform is Commercial while DOMPurify is Free, DOMPurify is open-source. Review the feature comparison above to determine which fits your requirements.
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