A 'dart:html' that works in all platforms, including Flutter and server-side. Eases cross-platform development and HTML / XML processing.
A cross-platform Flutter widget for displaying websites and other web content. Has optional navigation buttons.
Cross-platform 'dart:io' that works in all platforms (browsers, Flutter, and VM).
Cryptographic algorithms for encryption, digital signatures, key agreement, authentication, and hashing. AES, Chacha20, ED25519, X25519, and more. Web Crypto support.
A serialization / reflection framework. Supports JSON and Protobuf / GRPC. Comes with primitives such as Currency and Uuid.
A version of 'package:cryptography' that speeds up asynchronous invocations with native APIs of Android, iOS, and Mac OS X.
A package for performing calculations. Tensors (vectors, matrices), probability distributions, and more.
A database access API that's vendor-agnostic. Adapters exist for browser APIs, SQLite, Google Cloud Firestore, PostgreSQL, ElasticSearch, Algolia, and others.
A small search engine middleware for 'package:database'. Meant for applications that want to do basic searches without an external search engine like ElasticSearch/Lucene.