A high-performance observability data pipeline.

Building event-driven applications the easy way in Go.

Open Source Metering and Usage Based Billing API ⭐️ Consumption tracking, Subscription management, Pricing iterations, Payment orchestration & Revenue analytics

A comprehensive Domain-Driven Design example with problem space strategic analysis and various tactical patterns.

Make a cascading timeline from markdown-like text. Supports simple American/European date styles, ISO8601, images, links, locations, and more.

Simple, powerful, first-party analytics for Rails

A network event stream processing system, in Clojure.

Attendize is an open-source ticket selling and event management platform built on Laravel.

📅 Easy!Appointments - Self Hosted Appointment Scheduler

Usage-based pricing and billing for developers 🔓 Cloud or self-hosted ⚙️ No-code UI 💰 Realtime usage metering 🎟 Credits & top-ups 🔑 Control feature access

Open-source event management and ticket selling platform — perfect for concerts, conferences, and everything in between 🎟️ If you find this project helpful, please consider giving us a star ⭐️

A micro library providing Ruby objects with Publish-Subscribe capabilities

Evented JavaScript for the browser

Async/await first CQRS+ES and DDD framework for .NET

Blissful JavaScript

Ticket shop application for conferences, festivals, concerts, tech events, shows, exhibitions, workshops, barcamps, etc.

Ruby and Rails efficient Kafka processing framework

Indico - A feature-rich event management system, made @ CERN, the place where the Web was born.

Menu bar calendar for macOS - MVVM | RxSwift | AppKit | SwiftUI

TinyConsole is a micro-console that can help you log and display information inside an iOS application, where having a connection to a development computer is not possible.