Angular CLI vs Backstage
Angular CLI
angular.dev
Backstage
backstage.ioSide by side
| Figure | Angular CLI | Backstage |
|---|---|---|
| Price from | Free | Free |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Open source | — | — |
| Web | — | Yes |
| Windows | Yes | — |
| macOS | Yes | Yes |
| Linux | Yes | Yes |
| API | — | Yes |
| Self-hosted | Yes | Yes |
| Plans published | 1 | 1 |
| Spec score · Code Generators | 8.8 (#3) | 8.5 (#6) |
| Purpose | Angular CLI is a command-line tool for scaffolding, developing, testing, deploying, and maintaining Angular applications. | Backstage is an open-source framework for creating and deploying developer portals, originally created at Spotify. |
| Requirements | Local CLI use requires Node.js, and Angular specifies an active or maintenance LTS release for Node.js. | The standalone app guide lists minimum requirements of 20 GB disk space and 6 GB memory, with additional disk space needed as modules and plugins are added. |
| Security | Angular sanitizes and escapes untrusted values inserted into the DOM through template bindings or interpolation; its security guide says it does not cover application-level authentication and authorization. | The official threat model outlines security considerations for operators, developers, and security researchers, and points to the project’s security policy for vulnerability reporting. |
| Support | Angular's contribution guide directs general support questions to Stack Overflow and its community Discord, and says GitHub issues are for bugs and feature requests. | The project lists Discord, FAQs, and community resources for support and discussion. |
Plans
In their own words
Angular CLI
Angular CLI is a free, open-source command-line tool for scaffolding, developing, testing, building, deploying, and maintaining Angular applications. Published on npm as @angular/cli, it provides the ng command. The ng new command creates a workspace and starter application, and a workspace can contain multiple applications and libraries. For local development, ng serve watches files, rebuilds the app, and reloads changes. Builds can compile, optimize, bundle, and minify projects using documented esbuild or webpack builders; schematics automate generating and modifying source files. Deployment builders let ng deploy connect to Firebase Hosting, Vercel, Netlify, GitHub Pages, and Amazon Cloud S3. The CLI also supports end-to-end test builders, Tailwind CSS setup, and an MCP server with tools for code generation, workspace analysis, builds, and tests. Angular documents installation through npm, pnpm, Yarn, or Bun. Local installation and use require Node.js on an active or maintenance LTS release. Angular major releases are typically supported for 24 months, split into 12 months of active support and 12 months of LTS.
Backstage
Backstage is a free, open-source framework for building and deploying developer portals. Its software catalog records ownership and metadata for services, websites, libraries and data pipelines, for teams managing a small set of services or company catalogs of thousands. Software Templates can fill code skeletons with variables and publish generated projects to destinations such as GitHub or GitLab. TechDocs keeps documentation in a docs-like-code workflow close to code. Integrations can read or publish data through GitHub, GitLab, Bitbucket, LDAP and cloud providers. Teams can extend a portal with existing open-source plugins or build their own; Backstage Search can index sources such as TechDocs, Confluence and Stack Overflow. Its Kubernetes feature aggregates a service’s deployments through the Kubernetes API. Backstage is self-hosted. The standalone installation guide creates a local demo with an in-memory SQLite database and says this setup is not production-ready. It lists minimum requirements of 20 GB disk and 6 GB memory, with more disk needed as modules and plugins are added. Its threat model describes only rudimentary denial-of-service protection and recommends a protected deployment environment.