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  3. Tymeslot - Better Meeting Scheduling than cal.com

Tymeslot - Better Meeting Scheduling than cal.com

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  • E ekevu123

    Tymeslot - Better Meeting Scheduling than Cal.com


    Main Page: https://tymeslot.app
    Git: https://github.com/Tymeslot/tymeslot
    Licence: Elastic License 2.0
    Dockerfile: Yes
    Demo: https://tymeslot.app

    Summary

    Tymeslot is a self-hosted meeting scheduling platform — a privacy-respecting alternative to Calendly and similar tools. It lets you create booking pages for others to schedule time with you, with full timezone awareness, calendar sync, and real-time availability checking.

    Key features:

    • CalDAV integration — syncs with Nextcloud Calendar, iCloud, Fastmail, and any standards-compliant calendar server
    • Google Calendar sync — reads busy times and creates events directly in Google Calendar
    • Google Meet integration — automatically generates Meet links for booked meetings
    • SSO via OIDC/OAuth — supports Google, GitHub, and any OpenID Connect provider
    • Multiple themes, multiple language support (English, German, French, Ukrainian)
    • No ads, no tracking, no third-party analytics
    • Background jobs with retry logic, rate limiting, structured logging

    Built with Elixir/Phoenix LiveView — lightweight, concurrent, and very fast.


    Notes

    I'm the developer of Tymeslot, and I built Cloudron support in from the start. The cloud version is hosted on Cloudron right now. The app also supports authentication with Cloudron accounts and uses the postgres and sendmail addons.

    What makes it a great fit for Cloudron:

    Automatic addon integration: The app auto-detects Cloudron's built-in services. The PostgreSQL connection (CLOUDRON_POSTGRESQL_URL) is picked up automatically — no manual database config needed. Cloudron's mail relay is used for all transactional email out of the box. Cloudron's OIDC identity provider is detected automatically, adding an SSO login button without any configuration.
    Already installable today: You can install it right now as a custom app using the Cloudron CLI. Full step-by-step instructions are at: https://tymeslot.app/docs/cloudron
    Minimal required config: Only SECRET_KEY_BASE and PHX_HOST are needed for a working installation. Everything else is optional or auto-configured.

    The documentation page at https://tymeslot.app/docs/cloudron walks through the full install in about 3 commands. It also covers optional extras: Google Calendar/Meet setup, GitHub OAuth, switching to an external email provider, and common troubleshooting.

    Having it in the official Cloudron app store would make it much more discoverable for the self-hosting community — and would mean users get one-click installs and automatic updates.

    If there are any features you are looking for, let me know! The app has been developed daily for weeks now. Please also star it on Github if you like what you see!


    Alternative to: Cal.com, Easy Appointments, Calendly
    Screenshots: https://tymeslot.app

    timconsidineT Offline
    timconsidineT Offline
    timconsidine
    App Dev
    wrote on last edited by
    #4

    @ekevu123 congratulations and thank you for doing this.
    Will look further into it when back to a desk(top).

    Indie app dev, scratching my itches, lover of Cloudron PaaS, communityapps.appx.uk

    1 Reply Last reply
    3
    • T Offline
      T Offline
      Teiluj
      wrote on last edited by Teiluj
      #5

      Thanks for this @ekevu123 - Using cal.com at the moment, I am looking forward to test Tymeslot as soon as it hits Cloudron, either officially or maybe via the new custom / community app integration.

      There are a few things that I missing from cal.com (reporting / stats on bookings for example) and I am also not always convinced by the direction/changes that are being pushed (the ability to create/manage team suddenly disappeared. Maybe these are things that are already in Tymeslot or things that you are looking to add? Do you have a way to manage users within the app already ?

      Once again congratulation - this looks like a nice app you already have!

      1 Reply Last reply
      3
      • E Offline
        E Offline
        ekevu123
        wrote on last edited by
        #6

        No, teams will be a separate package, which will still take a few weeks, but it will come!

        1 Reply Last reply
        4
        • fbartelsF Offline
          fbartelsF Offline
          fbartels
          App Dev
          wrote on last edited by fbartels
          #7

          I have wanted to check out your app and tried signing up to your hosted version. When signing up via GitHub i am getting a 404 from GitHub. Sign in via Google works. Later when trying to connect a Google calendar i am getting an error that 't****p***ve1@gmail.com' (censored by me, else you would probably be spammed) still needs to approve the app.

          Edit: and the timezone detection is weird. I am located in the Netherlands. It auto selected Brussels as my city. When searching there was no Amsterdam. Searching for Berlin brought up the country Denmark.

          1 Reply Last reply
          2
          • E Offline
            E Offline
            ekevu123
            wrote on last edited by
            #8

            Thank you for trying it out! The app still awaits manual approval by Google, but the calendar syncing works. Not sure why github didn't work for you, it works for me, so I'll check that.

            fbartelsF 1 Reply Last reply
            1
            • jdaviescoatesJ Offline
              jdaviescoatesJ Offline
              jdaviescoates
              wrote on last edited by jdaviescoates
              #9

              Sounds like it's not quite "better than Cal.com" 😉 (yet, at least)

              I use Cloudron with Gandi & Hetzner

              1 Reply Last reply
              1
              • E Offline
                E Offline
                ekevu123
                wrote on last edited by ekevu123
                #10

                I couldn't reproduce the github issue, but the rest is fixed. Getting there! It is, after all, still in a beta version, fortunately, having users pointing out issues that I can fix, so it's already pretty advanced.

                1 Reply Last reply
                4
                • E ekevu123

                  Thank you for trying it out! The app still awaits manual approval by Google, but the calendar syncing works. Not sure why github didn't work for you, it works for me, so I'll check that.

                  fbartelsF Offline
                  fbartelsF Offline
                  fbartels
                  App Dev
                  wrote on last edited by fbartels
                  #11

                  @ekevu123 it is this GitHub button which generates the 404:

                  Screenshot 2026-03-13 at 22.12.28.jpeg.png

                  The url it links to is:
                  https://github.com/login/oauth/authorize?client_id=Iv23liO6V8UT2lltQbw6&redirect_uri=https%3A%2F%2Ftymeslot.app%2Fauth%2Fgithub%2Fcallback&response_type=code&scope=user%3Aemail&state=k48T-Q4bngldlgP1Sh2dSVyUHd8QQF8g3teeNc6uII0

                  @jdaviescoates everything needs to start somewhere.

                  @ekevu123 A nice additional feature would be to get calendars via ews.

                  jdaviescoatesJ 1 Reply Last reply
                  2
                  • fbartelsF fbartels

                    @ekevu123 it is this GitHub button which generates the 404:

                    Screenshot 2026-03-13 at 22.12.28.jpeg.png

                    The url it links to is:
                    https://github.com/login/oauth/authorize?client_id=Iv23liO6V8UT2lltQbw6&redirect_uri=https%3A%2F%2Ftymeslot.app%2Fauth%2Fgithub%2Fcallback&response_type=code&scope=user%3Aemail&state=k48T-Q4bngldlgP1Sh2dSVyUHd8QQF8g3teeNc6uII0

                    @jdaviescoates everything needs to start somewhere.

                    @ekevu123 A nice additional feature would be to get calendars via ews.

                    jdaviescoatesJ Offline
                    jdaviescoatesJ Offline
                    jdaviescoates
                    wrote on last edited by
                    #12

                    @fbartels said:

                    @jdaviescoates everything needs to start somewhere.

                    Yeah, and tbh it looks like this is a really great start 🙂

                    I use Cloudron with Gandi & Hetzner

                    1 Reply Last reply
                    3
                    • E Offline
                      E Offline
                      ekevu123
                      wrote on last edited by
                      #13

                      The app can be installed now via CloudronVersions:
                      https://github.com/Tymeslot/tymeslot/blob/main/CloudronVersions.json

                      1 Reply Last reply
                      4
                      • J joseph referenced this topic on
                      • E ekevu123

                        Tymeslot - Better Meeting Scheduling than Cal.com


                        Main Page: https://tymeslot.app
                        Git: https://github.com/Tymeslot/tymeslot
                        Licence: Elastic License 2.0
                        Dockerfile: Yes
                        Demo: https://tymeslot.app

                        Summary

                        Tymeslot is a self-hosted meeting scheduling platform — a privacy-respecting alternative to Calendly and similar tools. It lets you create booking pages for others to schedule time with you, with full timezone awareness, calendar sync, and real-time availability checking.

                        Key features:

                        • CalDAV integration — syncs with Nextcloud Calendar, iCloud, Fastmail, and any standards-compliant calendar server
                        • Google Calendar sync — reads busy times and creates events directly in Google Calendar
                        • Google Meet integration — automatically generates Meet links for booked meetings
                        • SSO via OIDC/OAuth — supports Google, GitHub, and any OpenID Connect provider
                        • Multiple themes, multiple language support (English, German, French, Ukrainian)
                        • No ads, no tracking, no third-party analytics
                        • Background jobs with retry logic, rate limiting, structured logging

                        Built with Elixir/Phoenix LiveView — lightweight, concurrent, and very fast.


                        Notes

                        I'm the developer of Tymeslot, and I built Cloudron support in from the start. The cloud version is hosted on Cloudron right now. The app also supports authentication with Cloudron accounts and uses the postgres and sendmail addons.

                        What makes it a great fit for Cloudron:

                        Automatic addon integration: The app auto-detects Cloudron's built-in services. The PostgreSQL connection (CLOUDRON_POSTGRESQL_URL) is picked up automatically — no manual database config needed. Cloudron's mail relay is used for all transactional email out of the box. Cloudron's OIDC identity provider is detected automatically, adding an SSO login button without any configuration.
                        Already installable today: You can install it right now as a custom app using the Cloudron CLI. Full step-by-step instructions are at: https://tymeslot.app/docs/cloudron
                        Minimal required config: Only SECRET_KEY_BASE and PHX_HOST are needed for a working installation. Everything else is optional or auto-configured.

                        The documentation page at https://tymeslot.app/docs/cloudron walks through the full install in about 3 commands. It also covers optional extras: Google Calendar/Meet setup, GitHub OAuth, switching to an external email provider, and common troubleshooting.

                        Having it in the official Cloudron app store would make it much more discoverable for the self-hosting community — and would mean users get one-click installs and automatic updates.

                        If there are any features you are looking for, let me know! The app has been developed daily for weeks now. Please also star it on Github if you like what you see!


                        Alternative to: Cal.com, Easy Appointments, Calendly
                        Screenshots: https://tymeslot.app

                        L Offline
                        L Offline
                        LoudLemur
                        wrote on last edited by
                        #14

                        @ekevu123 said:

                        I'm the developer of Tymeslot, and I built Cloudron support in from the start. The cloud version is hosted on Cloudron right now. The app also supports authentication with Cloudron accounts and uses the postgres and sendmail addons.

                        Hey, that is great! Thank you very much! I wish there were more developers like you. When you chat with other devs, do you mention Cloudron to them? What is there reaction? Have they heard of it?

                        1 Reply Last reply
                        1
                        • E Offline
                          E Offline
                          ekevu123
                          wrote on last edited by
                          #15

                          No, they rarely have. There are so many deployment strategies out there, but I think cloudron would solve someone's problems sometimes even better.

                          1 Reply Last reply
                          2
                          • L Offline
                            L Offline
                            LoudLemur
                            wrote on last edited by
                            #16
                            This post is deleted!
                            jdaviescoatesJ E 2 Replies Last reply
                            0
                            • L LoudLemur

                              This post is deleted!

                              jdaviescoatesJ Offline
                              jdaviescoatesJ Offline
                              jdaviescoates
                              wrote on last edited by
                              #17

                              @LoudLemur it's already packaged and was literally built for Cloudron. Your monster evidently needs a lot more training.

                              I use Cloudron with Gandi & Hetzner

                              1 Reply Last reply
                              1
                              • L Offline
                                L Offline
                                LoudLemur
                                wrote on last edited by
                                #18

                                Haha! The "monster"! The monster should have checked if it was already published, right!

                                I would like to know from anybody involved in the packaging if the rating "moderate" was appropriate. Would any of these notes have actually saved you time, if you can remember?

                                1 Reply Last reply
                                0
                                • L LoudLemur

                                  This post is deleted!

                                  E Offline
                                  E Offline
                                  ekevu123
                                  wrote on last edited by
                                  #19

                                  @LoudLemur said:

                                  WanderingMonster packaging report: Verdict: Moderate.

                                  https://paste.wanderingmonster.dev/?968a273a702c96da#BheknpBPP1aTHG9TTBntKPht3fXBwBTJ1GXzLehfnPCg

                                  Being the app developer, I must say the report is quite inaccurate and full of assumptions (e.g. "probably the backup size isn't big, but who knows").

                                  I'd be surprised if anyone finds this helpful.

                                  L 1 Reply Last reply
                                  5
                                  • E ekevu123

                                    @LoudLemur said:

                                    WanderingMonster packaging report: Verdict: Moderate.

                                    https://paste.wanderingmonster.dev/?968a273a702c96da#BheknpBPP1aTHG9TTBntKPht3fXBwBTJ1GXzLehfnPCg

                                    Being the app developer, I must say the report is quite inaccurate and full of assumptions (e.g. "probably the backup size isn't big, but who knows").

                                    I'd be surprised if anyone finds this helpful.

                                    L Offline
                                    L Offline
                                    LoudLemur
                                    wrote on last edited by
                                    #20

                                    @ekevu123 Hey, thanks for developing this application! Thanks also for being on Cloudron - it is brilliant to have developers interested in having their applications packaged. Thank you also for your feedback on the automated report.

                                    It is beginning to look like this "Wandering Monster's" days are numbered!

                                    1 Reply Last reply
                                    2
                                    • jdaviescoatesJ jdaviescoates referenced this topic on
                                    • E ekevu123

                                      Tymeslot - Better Meeting Scheduling than Cal.com


                                      Main Page: https://tymeslot.app
                                      Git: https://github.com/Tymeslot/tymeslot
                                      Licence: Elastic License 2.0
                                      Dockerfile: Yes
                                      Demo: https://tymeslot.app

                                      Summary

                                      Tymeslot is a self-hosted meeting scheduling platform — a privacy-respecting alternative to Calendly and similar tools. It lets you create booking pages for others to schedule time with you, with full timezone awareness, calendar sync, and real-time availability checking.

                                      Key features:

                                      • CalDAV integration — syncs with Nextcloud Calendar, iCloud, Fastmail, and any standards-compliant calendar server
                                      • Google Calendar sync — reads busy times and creates events directly in Google Calendar
                                      • Google Meet integration — automatically generates Meet links for booked meetings
                                      • SSO via OIDC/OAuth — supports Google, GitHub, and any OpenID Connect provider
                                      • Multiple themes, multiple language support (English, German, French, Ukrainian)
                                      • No ads, no tracking, no third-party analytics
                                      • Background jobs with retry logic, rate limiting, structured logging

                                      Built with Elixir/Phoenix LiveView — lightweight, concurrent, and very fast.


                                      Notes

                                      I'm the developer of Tymeslot, and I built Cloudron support in from the start. The cloud version is hosted on Cloudron right now. The app also supports authentication with Cloudron accounts and uses the postgres and sendmail addons.

                                      What makes it a great fit for Cloudron:

                                      Automatic addon integration: The app auto-detects Cloudron's built-in services. The PostgreSQL connection (CLOUDRON_POSTGRESQL_URL) is picked up automatically — no manual database config needed. Cloudron's mail relay is used for all transactional email out of the box. Cloudron's OIDC identity provider is detected automatically, adding an SSO login button without any configuration.
                                      Already installable today: You can install it right now as a custom app using the Cloudron CLI. Full step-by-step instructions are at: https://tymeslot.app/docs/cloudron
                                      Minimal required config: Only SECRET_KEY_BASE and PHX_HOST are needed for a working installation. Everything else is optional or auto-configured.

                                      The documentation page at https://tymeslot.app/docs/cloudron walks through the full install in about 3 commands. It also covers optional extras: Google Calendar/Meet setup, GitHub OAuth, switching to an external email provider, and common troubleshooting.

                                      Having it in the official Cloudron app store would make it much more discoverable for the self-hosting community — and would mean users get one-click installs and automatic updates.

                                      If there are any features you are looking for, let me know! The app has been developed daily for weeks now. Please also star it on Github if you like what you see!


                                      Alternative to: Cal.com, Easy Appointments, Calendly
                                      Screenshots: https://tymeslot.app

                                      andreasduerenA Offline
                                      andreasduerenA Offline
                                      andreasdueren
                                      App Dev
                                      wrote on last edited by
                                      #21

                                      @ekevu123 Cool app, toying with it right now. One observation:

                                      • when trying to connect to my nextcloud calendar, it connects and recognizes the different calendars but when I press Add integration, it returns Base url Must be a valid HTTP or HTTPS URL (e.g., https://example.com) nonetheless.
                                      E 1 Reply Last reply
                                      3
                                      • andreasduerenA andreasdueren

                                        @ekevu123 Cool app, toying with it right now. One observation:

                                        • when trying to connect to my nextcloud calendar, it connects and recognizes the different calendars but when I press Add integration, it returns Base url Must be a valid HTTP or HTTPS URL (e.g., https://example.com) nonetheless.
                                        E Offline
                                        E Offline
                                        ekevu123
                                        wrote on last edited by
                                        #22

                                        @andreasdueren said:

                                        @ekevu123 Cool app, toying with it right now. One observation:

                                        • when trying to connect to my nextcloud calendar, it connects and recognizes the different calendars but when I press Add integration, it returns Base url Must be a valid HTTP or HTTPS URL (e.g., https://example.com) nonetheless.

                                        This is fixed in the next release coming up today!

                                        L 1 Reply Last reply
                                        3
                                        • E ekevu123

                                          @andreasdueren said:

                                          @ekevu123 Cool app, toying with it right now. One observation:

                                          • when trying to connect to my nextcloud calendar, it connects and recognizes the different calendars but when I press Add integration, it returns Base url Must be a valid HTTP or HTTPS URL (e.g., https://example.com) nonetheless.

                                          This is fixed in the next release coming up today!

                                          L Offline
                                          L Offline
                                          LoudLemur
                                          wrote on last edited by
                                          #23

                                          @ekevu123 said:

                                          This is fixed in the next release coming up today!

                                          It is brilliant to have the developer on Cloudron! Thank you, @ekevu123

                                          1 Reply Last reply
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