OpenCspThis page
- Focus
- Self-hosted Phoenix LiveView dashboard for collecting and browsing CSP violation reports.
- Hosting
- Self-hostable
- License
- AGPL-3.0
OpenCsp
- Type
- Hosting
- Self-hostable
- License
- AGPL-3.0
- Replaces
Quick verdict
Use when
Choose it for a minimal self-hosted CSP report UI when you do not want a paid Csper-style SaaS.
Skip when
Skip when you need a fully managed SaaS with zero operations work.
Try instead
- CSP Evaluator — Google’s open-source tool for checking Content Security Policy strength and bypasses.
- HTTP Observatory — Mozilla’s scanner for HTTP security headers, including Content-Security-Policy.
- reportd — Self-hosted collector for CSP reports, Reporting API payloads, and Web Vitals.
OpenCsp vs common alternatives
Stable selection factors from this listing—focus, hosting, license, and access. Confirm live details on each official site.
Csper
- Focus
- Content Security Policy tooling for generating, evaluating, and monitoring CSP reports.
- Hosting
- Commercial SaaS
- License
- Proprietary (typical SaaS)
| Dimension | OpenCsp | Csper |
|---|---|---|
| Focus | Self-hosted Phoenix LiveView dashboard for collecting and browsing CSP violation reports. | Content Security Policy tooling for generating, evaluating, and monitoring CSP reports. |
| Hosting | Self-hostable | Commercial SaaS |
| License | AGPL-3.0 | Proprietary (typical SaaS) |
| Access | Website + GitHub | csper.io |
What is OpenCsp?
OpenCsp is an open-source Web Security project. Self-hosted Phoenix LiveView dashboard for collecting and browsing CSP violation reports. OpenElse lists it as an alternative to Csper, with self-hostable deployment and AGPL-3.0 licensing. Confirm live features, hosting options, and terms on the official site and repository.
What OpenCsp provides
Core signals from this OpenElse listing—verify depth on the official site.
Open-source codebase
Source is published on GitHub at github.com/ChristianAlexander/open_csp.
Self-hostable
You can run it on your own infrastructure.
AGPL-3.0 license
Distributed under AGPL-3.0. Read the license text before production use.
Workflow tags
OpenElse tags this listing for csp, dashboard, report-uri.
SaaS replacement mapping
Mapped as an open-source option when evaluating replacements for that commercial product.
How to evaluate OpenCsp
A practical path from this directory page to a decision.
Scan this listing
Review the one-liner, self-host status, license, and “when to pick it” note for OpenCsp.
Open the official site
Visit github.com/ChristianAlexander/open_csp for product docs, demos, and current feature scope.
Check the repository
Use GitHub for release cadence, issues, stars, and deployment docs before you commit.
Compare siblings
Open other OpenElse tools in the same category or mapped to the same SaaS to see trade-offs.
Who OpenCsp is for
Teams leaving Csper
Choose it for a minimal self-hosted CSP report UI when you do not want a paid Csper-style SaaS.
Operators who want data control
OpenCsp is listed as self-hostable on OpenElse.
Web Security buyers
Open-source CSP builders, evaluators, and report collectors instead of Csper-style monitoring SaaS.
When OpenCsp is the right pick
Choose it for a minimal self-hosted CSP report UI when you do not want a paid Csper-style SaaS. Skip when you need a fully managed SaaS with zero operations work.
Licensing and platform notes
Facts to verify on the official site before you depend on a workflow.
- Self-host status
- Self-hostable on this listing. Verify install paths and supported environments in the project docs.
- License
- AGPL-3.0. Confirm obligations for SaaS, embedding, and redistribution before shipping.
- Source of truth
- Features and terms are defined on github.com/ChristianAlexander/open_csp and the GitHub repository—not on this page.
- Affiliation
- This route is a curated OpenElse listing at /tools/open-csp. It is not the official OpenCsp product site.
Frequently asked questions
Quick answers about this listing—open a question to read more.
Is OpenCsp open source?
Yes. OpenElse lists OpenCsp as an open-source project under AGPL-3.0. Review the license file in the repository for exact terms.
Can I self-host OpenCsp?
Yes. OpenElse marks OpenCsp as self-hostable. Follow the official docs for install and operations.
What does OpenCsp replace?
OpenCsp is mapped on OpenElse as an open-source alternative to Csper. Choose it for a minimal self-hosted CSP report UI when you do not want a paid Csper-style SaaS.
Is this the official OpenCsp website?
No. This is a OpenElse directory page. The official site is https://github.com/ChristianAlexander/open_csp, and the source repository is https://github.com/ChristianAlexander/open_csp.
Where can I find OpenCsp source code?
The public repository linked from this listing is https://github.com/ChristianAlexander/open_csp.