Cloud-Native, Distributed Messaging and Streaming Apache Pulsar is an open-source, distributed messaging and streaming platform built for the cloud.

• Apache Pulsar @ GitHub.

Related contents:

• Log Replication Disaggregation Survey - Apache Pulsar and BookKeeper @ Jack Vanlightly.

A simple pub-sub over web push. Get realtime notifications from anywhere.

Ahey is a simple pub-sub service built on top of web push. It lets you send unlimited push notifications to any browser with just a simple HTTP POST request. Works in all major browsers. 100% free.

• Ahey @ GitHub.

Cloud Native, Open Source, High-performance Messaging.

NATS provides an always-on messaging system, encompassing traditional pubsub with interest-based propagation, persistence with streaming replays, key/value storage and object storage. NATS provides a flexible set of powerful authentication and authorization access controls.

• NATS @ GitHub.

Related contents:

• NATS de A à Y @ Une tasse de café :fr:.
• Episode #641: NATS and the CNCF kerfuffle @ Changelog Interviews.

The Distributed Task Queue for More Resilient Web Applications

Hatchet is a distributed, fault-tolerant task queue which replaces traditional message brokers and pub/sub systems - built to solve problems like concurrency, fairness, and durability.

Hatchet replaces difficult to manage legacy queues or pub/sub systems so you can design durable workloads that recover from failure and solve for problems like concurrency, fairness, and rate limiting. Instead of managing your own task queue or pub/sub system, you can use Hatchet to distribute your functions between a set of workers with minimal configuration or infrastructure:

• Hatchet @ GitHub.

Send push notifications to your phone via PUT/POST. ntfy (pronounce: notify) is a simple HTTP-based pub-sub notification service. It allows you to send notifications to your phone or desktop via scripts from any computer, entirely without signup, cost or setup. It's also open source if you want to run your own.

ntfy.sh @ GitHub

Send push notifications to your phone or desktop using PUT/POST. ntfy (pronounce: notify) is a simple HTTP-based pub-sub notification service. It allows you to send notifications to your phone or desktop via scripts from any computer, entirely without signup or cost. It's also open source (as you can plainly see) if you want to run your own.