Celery vs XMPP: What are the differences?
Celery: Distributed task queue. Celery is an asynchronous task queue/job queue based on distributed message passing. It is focused on real-time operation, but supports scheduling as well; XMPP: An open XML technology for real-time communication. It is a set of open technologies for instant messaging, presence, multi-party chat, voice and video calls, collaboration, lightweight middleware, content syndication, and generalized routing of XML data.
Celery and XMPP are primarily classified as "Message Queue" and "Container" tools respectively.
Celery is an open source tool with 13.1K GitHub stars and 3.36K GitHub forks. Here's a link to Celery's open source repository on GitHub.
Udemy, Sentry, and Postmates are some of the popular companies that use Celery, whereas XMPP is used by Mendix, Vidyo.io, and Relayo. Celery has a broader approval, being mentioned in 355 company stacks & 455 developers stacks; compared to XMPP, which is listed in 7 company stacks and 5 developer stacks.