Build better Flutter UI with saber

The cross-platform open-source app built for handwriting.

CategoryUI/Components
Stars★ 4,601
Last update2026-07-14
PriorityHigh

saber is an open-source UI component library for Flutter mobile app development, with 4,601★ on GitHub and last updated on 2026-07-14. This guide covers what saber 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 saber?

The cross-platform open-source app built for handwriting. It focuses on building polished, reusable interface widgets faster. The project lives at saber-notes/saber and is maintained by saber-notes.

Why saber is worth knowing in 2026

saber carries 4,601 GitHub stars, 341 forks, 389 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 saber

Add the package to your pubspec.yaml:

dependencies:
  saber: ^latest

Then fetch it and import it in your Dart code:

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

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

When should you use saber?

Reach for saber 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 android, cross-platform, dart, f-droid, flatpak, flutter.

saber vs. the alternatives

If you’re weighing options in the UI/Components space, these are the other projects developers most often compare saber 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 saber free to use?

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

Does saber work on both iOS and Android?

saber 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, saber has around 4,601 stars and 341 forks on GitHub, which puts it among the more widely used options in the UI/Components space.

What are good alternatives to saber?

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.

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.

#android#cross-platform#dart#f-droid#flatpak#flutter