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Open Source Projects tagged "Events"

A curated collection of the best open source projects tagged "Events". Each listing includes a website screenshot along with a detailed review of its features.

Collect, transform, and route logs and metrics in one tool
  • Stars


    22,637
  • Last commit


    11 hours ago
  • License


    MPL-2.0
Rust-built observability pipeline tool that collects, transforms, and routes logs and metrics across 47 sources and 62 sinks with no runtime dependencies.

Open Source Alternative to:

Run long-running AI tasks without timeouts or servers
  • Stars


    16,432
  • Last commit


    19 hours ago
  • License


    Apache-2.0
Open source TypeScript platform for building and deploying AI agents and background workflows with retries, queues, observability, and elastic scaling.

Open Source Alternative to:

Transform complex usage data into accurate, real-time billing
  • Stars


    10,633
  • Last commit


    4 days ago
  • License


    AGPL-3.0
Open-source billing system that handles metering, usage-based pricing, and invoicing at scale. Perfect for AI, cloud, and API companies needing flexible monetization.

Open Source Alternative to:

Open source metering and billing infrastructure for any pricing model
  • Stars


    6,927
  • Last commit


    2 hours ago
  • License


    AGPL-3.0
A flexible billing platform that handles usage-based metering, credit management, and subscription billing, giving developers full control over pricing models.

Open Source Alternative to:

Effortlessly manage events and sell tickets online
  • Stars


    4,037
  • Last commit


    8 days ago
  • License


    Unknown
Hi.Events is a comprehensive platform for event management and online ticket sales, offering features like QR code check-in, custom ticket types, and embeddable widgets.

Open Source Alternative to:

Free open-source appointment booking for any business
  • Stars


    4,396
  • Last commit


    4 days ago
  • License


    GPL-3.0
Self-hosted appointment scheduling solution with Google Calendar sync, customizable workflows, and no monthly fees. Perfect for healthcare, salons, and service businesses.

Open Source Alternative to:

Sell tickets for events, conferences, and exhibitions
  • Stars


    2,527
  • Last commit


    15 hours ago
  • License


    Unknown
Full-stack ticketing platform covering online shop, point of sale, access control, and hardware for events of any size or industry.

Open Source Alternative to:

Event ticketing with no per-ticket platform fees
  • Stars


    32
  • Last commit


    6 hours ago
  • License


    AGPL-3.0
Sell tickets for £50/year with payments, QR check-in, refunds, reporting, and a hosted booking site. Self-hostable under AGPL-3.0.

Open Source Alternative to:

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