The SpiderOak team needed a secure solution for group messaging and file sharing without the risks of email or off-the-shelf collaboration tools. We made Semaphor, group messaging with private blockchain encryption.
Now your company or team can protect your most important communication with the same No Knowledge application we use at SpiderOak.
Semaphor gives you secure group messaging for your most sensitive data. End-to-end encryption with private blockchain technology protects your private company communication and your everyday work.
Our No Knowledge philosophy is the cornerstone of everything SpiderOak does. Your data in Semaphor is protected by private blockchain technology and end-to-end encryption. This means that all data is encrypted before it leaves your device and no data is visible or accessible to any SpiderOak employees. Only the members of your team have access to your data.
Semaphor 2.0 has been completely redesigned for usability and simplicity. Create teams and channels, send messages and files, all within an easy to use interface. Semaphor's mobile first design gives you full functionality no matter which of your devices you access it from.
Download and install Semaphor on all of your computers and mobile devices. Supported platforms include Windows, macOS, Linux (beta), iOS, and Android.
With something as important as your security and data at stake, you need the ability to verify how our products work.
Semaphor is free for teams of 5 or less. All teams include unlimited message and file retention, unlimited file sharing, a single file size limit of 2 GB, and unlimited channels and messages.
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