Software Alternatives, Accelerators & Startups

CSS Blocks VS AngularStrap

Compare CSS Blocks VS AngularStrap and see what are their differences

CSS Blocks logo CSS Blocks

Blazing fast CSS for your design systems and app components.

AngularStrap logo AngularStrap

AngularJS 1.2+ native directives for Twitter Bootstrap 3.
  • CSS Blocks Landing page
    Landing page //
    2019-10-17
  • AngularStrap Landing page
    Landing page //
    2021-10-01

CSS Blocks features and specs

No features have been listed yet.

AngularStrap features and specs

  • Integration with Bootstrap
    AngularStrap is designed to work seamlessly with Twitter Bootstrap, allowing developers to utilize Bootstrap's styles and components while enhancing them with AngularJS directives. This can lead to a more cohesive design and functionality alignment between CSS and JavaScript.
  • Modular Components
    AngularStrap provides a set of modular components such as tooltips, modals, and dropdowns which are easy to integrate and use. These components follow AngularJS principles like two-way data binding, making them more intuitive for AngularJS developers.
  • Lightweight
    Compared to some other UI frameworks integrated with AngularJS, AngularStrap is relatively lightweight, as it adds only those features that are necessary to link Bootstrap and AngularJS, minimizing additional overhead.
  • Easy Customization
    AngularStrap allows easy customization of the components to fit the needs of the application. Developers can modify templates and behaviors while leveraging Bootstrap's foundational styles.

Possible disadvantages of AngularStrap

  • Limited to Bootstrap
    AngularStrap is specifically designed for use with Bootstrap, which may not be ideal for projects that do not wish to use Bootstrap as their base CSS framework.
  • AngularJS Dependency
    AngularStrap is built for AngularJS, which is an older version of Angular. As many projects move to the newer Angular versions (Angular 2+), the lack of support for these versions makes AngularStrap less versatile in modern application development.
  • Maintenance and Updates
    As AngularStrap is dependent on both AngularJS and Bootstrap, maintenance and keeping up to date with major updates in both libraries can introduce compatibility issues or require additional effort.
  • Learning Curve for Non-Bootstrap Users
    For developers unfamiliar with Bootstrap, there can be an additional learning curve to effectively use AngularStrap as they will need to understand Bootstrap's component structure and styling conventions.

Analysis of CSS Blocks

Overall verdict

  • CSS Blocks is a solid, performance-focused CSS build tool that offers strong static guarantees and small output sizes, but it has a niche adoption, a learning curve, and appears to have limited ongoing maintenance compared to more mainstream CSS-in-JS or utility-first solutions like Tailwind CSS.

Why this product is good

  • Provides compile-time optimization that generates highly efficient, atomic CSS classes, reducing bundle size in production.
  • Offers strong static analysis, catching styling errors (like unused or conflicting classes) before runtime.
  • Integrates well with component-based frameworks such as Ember/Glimmer, encouraging scoped, conflict-free styling.
  • Encourages a structured, maintainable approach to CSS through explicit block definitions and states.
  • Open-source and free to use, with the source available on GitHub for inspection and customization.

Recommended for

  • Teams building large-scale component-based applications who need predictable, non-conflicting CSS.
  • Developers already working within the Ember/Glimmer ecosystem where CSS Blocks has tighter integration.
  • Projects where CSS bundle size and runtime performance are critical concerns.
  • Teams comfortable adopting a more opinionated, build-time-driven styling workflow.
  • Users willing to accept some risk regarding library maturity and long-term maintenance in exchange for performance benefits.

Analysis of AngularStrap

Overall verdict

  • AngularStrap was a solid, well-crafted set of native AngularJS directives for Bootstrap components in its time, but it is now largely obsolete since it targets AngularJS (1.x), which has reached end-of-life. It's only a good choice for maintaining legacy projects, not for new development.

Why this product is good

  • Provides native AngularJS directives for Bootstrap 3 components without requiring jQuery
  • Lightweight and modular, letting you include only the directives you need
  • Well-documented with clear examples for common UI components like modals, tooltips, popovers, datepickers, and typeahead
  • Was widely adopted and battle-tested within the AngularJS 1.x ecosystem
  • Integrates cleanly with Angular's digest cycle and data-binding model

Recommended for

  • Teams maintaining existing legacy AngularJS 1.x applications that already use Bootstrap 3
  • Projects that need jQuery-free Bootstrap components within an AngularJS codebase
  • Developers looking for a proven directive library for older Angular apps that cannot be immediately migrated

Category Popularity

0-100% (relative to CSS Blocks and AngularStrap)
Design Tools
43 43%
57% 57
Development Tools
43 43%
57% 57
Developer Tools
50 50%
50% 50
React
50 50%
50% 50

User comments

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Social recommendations and mentions

Based on our record, AngularStrap seems to be more popular. It has been mentiond 1 time since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

CSS Blocks mentions (0)

We have not tracked any mentions of CSS Blocks yet. Tracking of CSS Blocks recommendations started around Mar 2021.

AngularStrap mentions (1)

What are some alternatives?

When comparing CSS Blocks and AngularStrap, you can also consider the following products

React Router - React Router is a routing for React.js, that synchronizes the components of application with the URL & supports server side rendering.

Angular UI Bootstrap - AngularJS (Angular) native directives for Bootstrap.

styled-components - styled-components is a visual primitive for the component age that also helps the user to use the ES6 and CSS to style apps.

Ant Design - An enterprise-class UI design language and React implementation with a set of high-quality React components, one of best React UI library for enterprises

AngularUI - Native AngularJS directives for Bootstrap.

Angular Material - Angular Material is both a UI Component framework and a reference implementation of Google's Material Design Specification.