Build better Flutter UI with jaspr

Modern web framework for building websites in Dart. Supports SPAs, SSR and SSG.

CategoryUI/Components
Stars★ 2,402
Last update2026-07-16
PriorityHigh

jaspr is an open-source UI component library for Flutter mobile app development, with 2,402★ on GitHub and last updated on 2026-07-16. This guide covers what jaspr does, why it matters in 2026, how to add it to your project, when to reach for it, and how it compares to the alternatives — plus a quick FAQ.

What is jaspr?

Modern web framework for building websites in Dart. Supports SPAs, SSR and SSG. It focuses on building polished, reusable interface widgets faster. The project lives at schultek/jaspr and is maintained by schultek.

Why jaspr is worth knowing in 2026

jaspr carries 2,402 GitHub stars, 317 forks, 69 open issues. It has been around since 2022, and is actively maintained (updated within the last month). For a UI/Components option, that combination of adoption and upkeep usually means a healthy community, production usage, and plenty of examples to learn from — the things that make a dependency safe to build on.

Installing jaspr

Add the package to your pubspec.yaml:

dependencies:
  jaspr: ^latest

Then fetch it and import it in your Dart code:

flutter pub get
import 'package:jaspr/jaspr.dart';

Check the package’s example/ directory and its pub.dev page for the exact API — jaspr is versioned there with full docs so you always integrate against the current release.

When should you use jaspr?

Reach for jaspr when:

  • you need a ready-made widget instead of building one from scratch
  • you want a consistent look across screens
  • you’re prototyping a mobile app UI quickly

It’s especially relevant if your project touches dart, dart-web, flutter, jaspr, web, web-framework.

jaspr vs. the alternatives

If you’re weighing options in the UI/Components space, these are the other projects developers most often compare jaspr against:

There’s no single winner — the right pick depends on your app’s size, your team’s familiarity, and your performance budget. Browse the full UI/Components collection to compare them side by side.

Frequently asked questions

Is jaspr free to use?

Yes. jaspr is open source and free to use in your Flutter projects. You can view the source, report issues, and contribute on GitHub.

Does jaspr work on both iOS and Android?

jaspr is built for Flutter, so it targets iOS and Android from a single codebase, and typically web and desktop too depending on the project’s platform support.

As of 2026, jaspr has around 2,402 stars and 317 forks on GitHub, which puts it among the more widely used options in the UI/Components space.

What are good alternatives to jaspr?

Popular alternatives in the UI/Components category include rustdesk, hiddify-app, best-flutter-ui-templates. The best choice depends on your app’s size, team, and performance needs.

How do I install jaspr?

Add jaspr to the dependencies section of your pubspec.yaml and run flutter pub get. Full versions and API docs are on pub.dev.

Resources & links

Part of FlutterCook — 500 hands-on guides to the best open-source Flutter libraries, UI kits, and apps. Explore the live GitHub trends or browse YouTube guides.

#dart#dart-web#flutter#jaspr#web#web-framework