# Dart & Flutter packages

Browse Dart and Flutter packages, inspect versions and download selected archives.




- [platform](/packages/platform) 3.2.0 — A pluggable, mockable platform information abstraction for Dart.
- [platform_detect](/packages/platform_detect) 2.1.6 — A lightweight library for detecting the running browser and OS
- [plotly_js](/packages/plotly_js) 0.0.2 — Minimal package containing plotly third_party dependency used by package:devtools.
- [plugin](/packages/plugin) 0.2.0+3 — Support for building plugins.
- [plugin_platform_interface](/packages/plugin_platform_interface) 2.1.8 — Reusable base class for platform interfaces of Flutter federated plugins, to help enforce best practices.
- [pointycastle](/packages/pointycastle) 4.0.0 — A Dart library implementing cryptographic algorithms and primitives, modeled on the BouncyCastle library.
- [polylabel](/packages/polylabel) 1.0.1 — A fast algorithm for finding polygon pole of inaccessibility implemented as a Dart library.  Useful for optimal placement of a text label on a polygon.
- [polymer_css](/packages/polymer_css) 0.0.1 — Minimal package with polymer_css third_party dependency to package:devtools.
- [pool](/packages/pool) 1.5.3 — Manage a finite pool of resources. Useful for controlling concurrent file system or network requests.
- [popover](/packages/popover) 0.5.1 — A popover is a transient view that appears above other content onscreen when you tap a control or in an area.
- [positioned_tap_detector](/packages/positioned_tap_detector) 1.0.3 — Widget allowing to receive tap callbacks together with their position on the screen.
- [positioned_tap_detector_2](/packages/positioned_tap_detector_2) 1.0.4 — Widget allowing to receive tap callbacks together with their position on the screen.
- [posix](/packages/posix) 6.5.4 — Exposes the POSIX api on OSx and Linux via an idomatic Dart API.
- [pretty_qr_code](/packages/pretty_qr_code) 3.6.0 — A highly customizable Flutter widget that makes it easy to render QR codes.
- [primer_css](/packages/primer_css) 0.0.2 — Minimal package containing primer_css third_party dependency used by package:devtools.
- [process](/packages/process) 5.0.6 — A pluggable, mockable process invocation abstraction for Dart.
- [proj4dart](/packages/proj4dart) 3.0.0 — Proj4dart is a Dart library to transform point coordinates from one coordinate system to another, including datum transformations (Dart version of proj4js/proj4js).
- [properties](/packages/properties) 2.1.1 — A simple library to manage properties file (and something more) in Dart
- [protobuf](/packages/protobuf) 6.1.0 — Runtime library for protocol buffers support. Use with package:protoc_plugin to generate Dart code for your '.proto' files.
- [protoo_client](/packages/protoo_client) 0.3.3 — Dart version of the protoo-client library.





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