Reactive Playground vs Blipr Notifications

Reactive Playground is a visual learning app for reactive programming. Instead of reading operator definitions only, you can play with marble timelines directly. Pick a category, open an operator, move events around, edit their values, clone items, remove them, or turn them into errors and completed events. The output updates live so you can understand what each operator really does. Explore operator categories such as: Transforming Filtering Combining Error Handling Utility Each playground shows a source timeline, an output timeline, a short explanation, and a code-style example. It is useful for learning ReactiveX concepts, reviewing operators, or quickly refreshing how a stream behaves before using it in code. Reactive Playground is made for developers, students, and anyone learning Rx-style reactive programming.

Blipr turns any topic into an instant push notification. Create a topic in the app and get alerted the moment a message is published to it - from your servers, scripts, CI, cron jobs, or a one-line curl. Priority 5 alerts are Time-Sensitive: they break through Focus and Do Not Disturb, so the one that matters always reaches you. - Instant delivery over a live connection - watch messages arrive in real time - One Feed for every topic - search, filter by topic, unread or priority, and reply from the list - Priority levels 1-5, with Time-Sensitive delivery at the top level - Publish from anywhere: curl -d "hello" https://blipr.dev/blip/your-topic - Reply from a notification - tap Yes/No or Acknowledge without opening the app - Self-hostable: use blipr.dev or point Blipr at your own server - Share a topic with a QR code or link - Sign in with Apple to create topics, and keep them in sync across your devices - Light & dark, Dynamic Type, built for iOS Blipr is a client for an ntfy-style notify service. Creating a topic takes a free account; publishing to one and subscribing to it do not. Topics are public by name - use a long, unguessable name for anything sensitive.