Which software can you recommend for mastermind groups?

I have a mastermind group of five people and we are looking for a software/service/self-hosted application where we can organize our group + meetings. Nice to have would be member permissions, a group chat, file storage and collaboration tools in general. Thanks for any advice.
Your recommendation
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3 recommended
  1. 1

    Be less busy. Real-time messaging, archiving & search.

    John Blackwell
    John BlackwellFounder at EveryBalance · Written
    Ever used Slack? Sounds perfect for your group.
    Comments (2)Share
    • Amrith Shanbhag
      Amrith ShanbhagCommunity + Social at Product Hunt

      I'm a part of a ton of Slack communities but I'm active in only a handful.

      Slack works to its fullest only when it is implemented in a team and everyone's supposed to use it for communication. Slack could/should improve on making the communities on it better by adding relevant features.

    • João Oliveira Simões
      João Oliveira SimõesDesign Lead, 44 Studio

      As a remote designer, this is a must have. I'm always contactable and available. Super easy way to also have quick calls and communicate with other team members on different teams.

  2. 1

    Artificial intelligence-powered email.

    John Blackwell
    John BlackwellFounder at EveryBalance · Written
    Look into notion.so as well. May not have the features you need but it's a wide open, customizable workspace.
  3. 1

    Secure instant messenger for any network

    Alexey Pikurov
    Alexey PikurovCommunication and security · Written
    Alexey Pikurov made this product
    You can try MyChat. It is a self-hosted application with own server where you can configure everything at your taste. User rights and permission control are provided. You can create conferences, share files, create projects and assign tasks to your teammates. You can also share knowledge using intranet forum. Voice and video calls, screen sharing, and remote control are provided too.