Apps with 'Private Groups' feature

Steam is a digital distribution, digital rights management, multiplayer and communications platform developed by Valve Corporation.

Metastream allows you to watch internet videos with friends. It synchronizes media on websites so you can watch together.

Enjoy movie night online with your long-distance partner, start a watch party with good buddies, or hang out and binge anime with your best friend. Hyperbeam helps you stay close, even when you’re apart.

Dino is a modern open-source chat client for the desktop. It focuses on providing a clean and reliable Jabber/XMPP experience while having your privacy in mind. Using GTK+/Vala.

Kast is a social sharing platform where users can stream content from their computer to the people in their channel (called parties). Kast parties allow up to 20 people to share their screens and up to an additional 100 people to view in the party.

Hawker.Social is a community creation and monetization platform. You can post your content, manage memberships, and offer paid subscriptions all in one place. Earn recurring revenue with paid channels by offering exclusive content to your audiences.

Tribe is a white-label platform, empowering the new generation of online communities. It boosts users engagement and growth through widgets and integrations to existing stacks.

BlinkMeet is a meetups management application which allows you to easily administer online communities and organize events with other people.

White Label Community tool for creators.

Happyfeed is a cross-platform journal app that focused on the simple habit of gratitude journaling. We bring users more joy every day by focusing on positive moments and reflecting on their past happy memories.

MOMO BOARD let you instantly create your own community message board from mobile app or desktop website for free. It combines message board, chat and cloud storage (10 Gb) into one seamless application for efficient community communication.