Blazor

.NET UI framework for interactive web apps (WASM or server). Keeps C# across the stack; Microsoft gravity remains.

MIT · https://dotnet.microsoft.com/apps/aspnet/web-apps/blazor

Frameworks & runtimes

Blazor

Hosting: Self-hosted Reviewed

Part of open-source ASP.NET Core; self-host without Azure.

  • Fair 4.7
  • Easy 3.3
  • Secure 2.7
FES Scores 9
Pillar Criterion Score Evidence
Easy Day-one UX Can non-technical staff use it without a project? 3 Blazor supports self-hosted deployment with .NET runtime, enabling day-one operation on compatible environments. Source
Easy Operate Admin burden, updates, backups and language coverage. 3 Blazor applications run on .NET, which includes built-in monitoring and logging capabilities for operational management. Source
Easy Integrate SSO, mail/CalDAV, APIs and common NGO connectors. 4 Blazor integrates seamlessly with .NET libraries and ASP.NET Core, enabling robust integration with existing systems. Source
Fair Lock-in / exit Can you leave with your data in open formats, at known cost? 5 Rule baseline (rubric_v1): self-host + open-source path supports exit with your data. Source
Fair Sovereignty EU legal entity, EU hosting, and exposure to extra-EU lawful access? 4 Rule baseline (rubric_v1): non-EU vendor; self-host still lets you pick EU infra — verify update/support exposure. Source
Fair Openness Open source or open standards? Are independent implementations possible? 5 Rule baseline (rubric_v1): license classified as open-source family. Source
Secure IT security Authentication, encryption, patch cadence and independent audit. 3 Blazor leverages .NET security features, including role-based authorization and data protection APIs. Source
Secure User security 2FA, roles, phishing resistance and safe defaults. 2 Blazor relies on browser security models, which may expose client-side vulnerabilities if not properly configured. Source
Secure Personal data GDPR fit: DPA, residency, sub-processors and Schrems II posture. 3 Blazor applications can handle personal data but require explicit implementation of data protection measures. Source

Indicative scores from public information — how we score.

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