nowfound

Alternatives

Products that do what Cactoide – Federated RSVP Platform does

  1. 1

    Federated mobile first open-source RSVP platform.

    Nov 2025

  2. 2

    Build your pixel-perfect booking experience with Atoms

    2024 · cal.com

  3. 3MC

    Mobile first open-source RSVP platform. Alternative for meetup.com / eventribe for small companies and groups. If you have a small group and don't want to pay for services you can easily selfhost this solution. Open for improvements and for feedback, ofc. - One-Click Sharing - Each event gets a unique, memorable URL. Share instantly via any platform or messaging app. - No Hassle, No Sign-Ups - Skip registrations and endless forms. Unlike other event platforms, you create and share instantly — no accounts, no barriers. - Effortless Simplicity - Designed to be instantly clear and easy. No…

    2025 · github.com

  4. 4

    The simple calendar and booking solution

    2024 · tidycal.com

  5. 5

    AI-powered event social platform

    2024

  6. 6
    Cal ID535

    Schedule and monetize meetings for free

    Nov 2025

  7. 7
    Kommunity389

    Community-focused social event platform

    2021

  8. 8

    The networking app for events

    2024

  9. 9

    Create events and collect RSVPs directly in Slack.

    2018

  10. 10

    Scheduling that's 10x faster & 10x simpler

    2021

  11. 11

    Host engaging and profitable virtual conferences and more

    2022

  12. 12
    Hi.Events501

    Open-source alternative to Eventbrite & Tito

    2024

  13. 13

    Simple RSVP tracking, know who will join your next event

    2023

  14. 14
    Grapevine326

    Asynchronous meeting software for remote teams

    2020

  15. 15MA
  16. 16

    Free classy customizable event RSVPs & invitations

    2024

  17. 17

    Event CMS for ticketing, payments, website, photos & more

    2023

  18. 18

    Attend & host virtual events for developers

    2022

  19. 19
    Commune262

    Community platform built for customer success teams

    2022

  20. 20
    Commons220

    Private Discord for your team to collaborate

    2021

  21. 21
    Herdd87

    An event-based social media app. Plan events and chat.

    2021

  22. 22

    Add to calendar link generator

    2025

  23. 23

    Countdown birthdays, calendar events and reminders

    2025

  24. 24CO

    Hey HN, I'm Hakan, the founder of Colanode (https://github.com/colanode/colanode), an open-source, local-first collaboration app combining the best of Slack-style chats and Notion-style note-taking, fully self-hostable for complete data control. Here's a quick demo: https://www.youtube.com/watch?v=wp1hoSCEArg As a heavy Notion user, I often found it tough to get my teams fully onboard since people naturally gravitate toward chat for quick interactions. Maintaining context between chat apps like Slack and documentation apps like Notion became increasingly…

    2025 · github.com

Ranked by how close each launch is in meaning, then by votes. Refine with a description →