Stoat Chat is described as 'Instant messaging with text, voice, video calling, screen sharing, privacy controls, customizable permissions, moderation, bots, and open-source design' and is a very popular Group Chat app in the social & communications category. There are more than 50 alternatives to Stoat Chat for a variety of platforms, including Web-based, Android, Linux, Windows and iPhone apps. The best Stoat Chat alternative is Telegram, which is free. Other great apps like Stoat Chat are Element, Discord, Matrix and Slack.
nospeak is a decentralized Nostr chat client for secure, private messaging. It is easy to use but has state of the art end-to-end encryption without metadata leakage.
Kloak is a privacy-first communication platform built by people who actually use it. No ads. No data harvesting. No bloat. Just communication that works.
Mycelium (formerly Disclone) is a feature-rich, open source communication app and personal-collaborative hub (drive/notes...).
Colibri is an open source chat platform built on the AT protocol for communities big and small. It gives you the ability to create communities, manage members, and communicate through text, voice, and forum channels, all while maintaining true ownership of your data.
Content creators and influencers have the ability to monetize their platforms by promoting a range of games, from indie to AAA. They can preview new games, creating engaging content across a variety of social platforms such as TikTok, Twitch, Reddit, Twitter, and YouTube.
Start your next video call with a single click. No download, plug-in or login required. Just get straight to talking, messaging and sharing your screen.
SadnessChat SadnessChat is a free, real-time chat platform built for real conversations. Whether you're hanging out with friends or building a community, SadLounge has everything you need.
FluxCap is an independent desktop client designed to connect seamlessly with the Fluxer network. Built with Electron, it provides a dedicated, fast, and customizable user interface for Windows, taking Fluxer out of your browser and directly onto your desktop.
Self-hostable open-source chat solution offering text, voice, and video with fine-grained roles, forum threads, DM workspace, browser soundboard, custom emoji, PWA offline support, push notifications, analytics tools, and advanced moderation capabilities.
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Requires less information to register (No email or phone number required, only a secret key).
Kloak also says that they don't "micromanage" people with tedious Community Guidelines; unlike Stoat which has very overreaching community guidelines, along with talks of platform moderators micromanaging & nuking anything they don't like.