Dart vs Om: What are the differences?
Developers describe Dart as "A new web programming language with libraries, a virtual machine, and tools". Dart is a cohesive, scalable platform for building apps that run on the web (where you can use Polymer) or on servers (such as with Google Cloud Platform). Use the Dart language, libraries, and tools to write anything from simple scripts to full-featured apps. On the other hand, Om is detailed as "ClojureScript interface to Facebook's React". A ClojureScript UI framework and client/server architecture over Facebook's React. Om UIs are out of the box snapshotable and undoable and these operations have no implementation complexity and little overhead.
Dart and Om can be primarily classified as "Languages" tools.
Om is an open source tool with 6.61K GitHub stars and 371 GitHub forks. Here's a link to Om's open source repository on GitHub.
Google, Blossom, and WorkTrail are some of the popular companies that use Dart, whereas Om is used by Precursor, NAVIS, and Montoux. Dart has a broader approval, being mentioned in 19 company stacks & 78 developers stacks; compared to Om, which is listed in 3 company stacks and 3 developer stacks.