Radius.to VS cppq

• Event API
  Create events in your group via our free API
• RSVP
  Allow users to RSVP to events
• User accounts
  Create your profile, join groups, and RSVP to events.
• Discoverability
  Be found more easily, and find groups which interest you.
• Quick event creation
  Quick create - copy metadata from previous events
• Event status & visibility
  Make use of flexible event modes like draft and unlisted.
• Group invitations
  Easily migrate from other platforms by mass inviting users.
• Export data
  Export emails of event attendees and group members, or a full data export of your group
• External tickets
  Add a ticket button to your event if you want to add external ticketing
• Event attendance limits
  Automatically shut off RSVPs.
• Private groups
  Private Groups for organizers on Pro
• Group theme
  Change your group and event page colours
• Related groups
  Link related groups and form a network to allow your group to be found by others more easily

• Lightweight C++ implementation
  cppq is written in modern C++ and designed to be a minimal, efficient task queue library, making it a good fit for performance-sensitive applications where the overhead of scripting language runtimes is undesirable.
• Redis-backed reliability
  Built on top of Redis as the message broker, cppq benefits from Redis's persistence, atomic operations, and wide adoption, giving the queue system durability and the ability to survive process restarts.
• Inspired by proven design (asynq)
  The library's architecture mirrors the popular Go asynq task queue, so it inherits a well-thought-out API design for task enqueueing, retries, and worker processing patterns that have already been validated in production systems.
• Native integration for C++ projects
  For teams already working in a C++ codebase, cppq allows adding background job processing without needing to introduce a separate service written in another language (like Go or Python), simplifying the technology stack.
• Open source and inspectable
  Being open source on GitHub, developers can review the source code, modify it for custom needs, and contribute improvements, which offers transparency not available with closed-source queueing solutions.

Possible disadvantages

• Limited maturity and battle-testing
  Compared to established task queue libraries like Sidekiq, Celery, or asynq itself, cppq is a newer and smaller project with less real-world production usage, which may translate into undiscovered bugs or edge cases.
• Smaller community and ecosystem
  Because it has far fewer users and contributors than mainstream task queue systems, finding community support, third-party tutorials, or pre-built integrations is more difficult.
• Documentation gaps
  As a smaller project, cppq may have less comprehensive documentation compared to major task queue frameworks, requiring developers to read source code directly to understand advanced features or edge-case behaviors.
• C++ build and dependency complexity
  Using cppq requires managing C++ build toolchains and dependencies (such as a Redis client library), which can be more cumbersome than installing a package via pip or npm in other ecosystems.
• Fewer built-in features and tooling
  cppq likely lacks the extensive ecosystem tooling of more mature queues, such as web-based monitoring dashboards, extensive metrics/observability integrations, or advanced scheduling features found in more established solutions.

• Ask HN: What Are You Working On? (February 2026)

  Https://radius.to/ - a Meetup.com alternative of sorts - with fairer organiser pricing for smaller groups. I posted a Show HN [1] here a while back, got tons of great feedback, and have been slowly improving it since, with little... - Source: Hacker News / 9 months ago

• Ask HN: How are you acquiring first 100 users?

  It's easier said than done, I suppose, but my first ~500 users for https://radius.to/ were from HN after hitting the front page. I'd imagine you'd get pretty good results on both ProductHunt and Reddit as well if you can get enough... - Source: Hacker News / over 1 year ago

Tracking cppq since Nov 2022.