7. HtmlDart port of html5lib. For parsing HTML/HTML5 with Dart. Works in the client and on the server.
8. LoggingA Dart package for debug and error logging.
9. AsyncA Dart package that contains tools to work with asynchronous computations.
10. SamplesA collection of Dart code samples by Dart DevRel
12. Js facade genGenerates package:js Javascript interop facades for arbitrary TypeScript libraries
15. CryptoA set of cryptographic functions implemented in pure Dart.
24. MatcherA declarative API for specifying expectations.
25. Dart PadAn online Dart editor with support for console, web, and Flutter apps
28. SdkThe Dart SDK, including the VM, dart2js, core libraries, and more.
31. StagehandDart project generator - web apps, console apps, servers, and more.
32. HttpA composable API for making HTTP requests in Dart.
33. PubThe package manager for Dart
39. Pub DevPub.dev, the Dart package repository, written in Dart
41. TestA library for writing unit tests in Dart.
43. IntlInternationalization and localization support
48. pathA string-based path manipulation library.