Astian Spika is described as 'instant messaging service focused on speed, security and productivity. With great differences such as integration with Astian Cloud, support for video calls, calls among other features' and is a Group Chat App in the Social & Communications category. There are more than 100 alternatives to Astian Spika for a variety of platforms, including Android, Windows, Mac, Online / Web-based and iPhone. Most alternatives are Group , Video Calling Apps and Encrypted Chat Apps. The best alternative is Telegram, which is free. Other great apps like Astian Spika are Signal (Free, Open Source), Element (Freemium, Open Source), Jitsi (Free, Open Source) and Slack (Freemium).
FluffyChat is an open, nonprofit and cute matrix messenger app for Ubuntu Touch, Android and iOS. Open Opensource and open development where everyone can join. Nonprofit FluffyChat is donation funded. Cute ? Cute design and many theme settings including a dark mode.
Threads is a platform designed to make work more inclusive by empowering teams to discuss and make decisions at scale. Create a space This is your team's virtual meeting room. Once created, invite others and start your discussion - no scheduling required.
Technitium Bit Chat is a secure, peer-to-peer (p2p), open source instant messenger designed to provide end-to-end encryption. It can be used over Internet and private LAN networks for instant messaging and file transfer.