* [Meteor Collection Hooks v2.1.0](https://github.com/Meteor-Community-Packages/meteor-collection-hooks) – Extends Mongo.Collection with before/after hooks for insert, update, remove, upsert, find, and findOne, with async support for Meteor 2.16+ and 3.x.

* [go-streams v2.0.3](https://github.com/jucardi/go-streams) – Stream-based collections and pipelines for Go offering lazy functional operations like filter, map, sort, reduce and parallel foreach.

* [Content Collections @content-collections...](https://github.com/sdorra/content-collections) – Transform content into type-safe data collections with built-in validation and preprocessing.