Spreed is described as 'The worldwide unified web conferencing service offering integrated web and telephone conferencing. It is based on Flash Player. Free service includes 3 attendees and max 1.5h meetings. Single events or monthly service can be purchased' and is a web conferencing tool in the office & productivity category. There are more than 100 alternatives to Spreed for a variety of platforms, including Web-based, Windows, iPhone, Android and Mac apps. The best Spreed alternative is Element. It's not free, so if you're looking for a free alternative, you could try Element or Jitsi Meet. Other great apps like Spreed are Mumble, Wire, Jitsi Desktop and Element X.
Provides secure collaboration with end-to-end encryption, supporting chat, voice, and video calls. Available on all major platforms, it enables digital sovereignty with a decentralized design and interoperability through bridges to systems like Slack and Teams. Includes enterprise-grade SaaS.
Open-source video conferencing platform with encryption by default, up to 75 participants, live group chat, HD audio, screen and document sharing, Etherpad editing, mobile and browser support, custom deployment options, privacy-first features, and community-driven development.
Exchange messages without SMS fees using this app for iPhone, Android and desktop, featuring group chats, multimedia sharing, and video calls. The app requires an internet connection and the latest version for optimal functionality.
Free, open source voice chat featuring low-latency, high quality audio, secure encrypted communication, self-hosting options, in-game overlays, positional audio, scripting support, low resource usage, and robust user permission controls for gaming and collaboration.
Secure communication platform featuring encrypted chats and calls, file and media sharing, self-deleting messages, device verification, group collaboration, and customizable settings. Supports use across multiple devices with no phone number required for access.
Jitsi Desktop (previously SIP Communicator) is a legacy audio/video and chat communicator with full encryption, precedessor of Jitsi Meet .
It is the brand new, and fastest ever, Matrix client. It is for personal and community use, and will support enterprise functionality later this year.
Open-source chat server supporting real-time group, direct, and private messaging, video calls, file sharing, helpdesk chat, API integrations, desktop notifications, emojis, LDAP authentication, cross-platform apps, and customizable extensions for teams.
Provides robust video meetings with up to 100 participants, screen sharing, real-time chat, cloud recording, whiteboard and document collaboration, AI-generated meeting summaries, seamless device switching, phone and messaging integration, and multitasking support.
Offers secure messaging with end-to-end encryption, unlimited free calls, group chats for up to 250 members, rich media sharing, emoji reactions, AR lenses, self-destruct messages, affordable international calls, community channels, and robust privacy across devices.
BigBlueButton enables universities and colleges to deliver a high-quality learning experience to remote students.
Linphone is one of the most famous open source softphones in the world. It is fully SIP-based, for all calling, presence and IM features.
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