Crait Lite vs 蝉鸣

Crait Lite is where secure communication and collaboration happens. It is a secure messaging tool designed to make working life easier and more productive for work-groups. Why Crait? The simple answer is: Businesses need to protect their digital assets. Businesses are targets and will be targets of cyber hacking because they have information valuable to would-be criminals. No sector of corporate America is excluded from the threat of cyber hacking. This is why at Crait, we believe that business communication deserves a security upgrade. What Crait provides - Secure one-on-one or group calls and can support chats with up to 1000 people. - Messages that self-destruct after the messages are read. - End-to-end encryption between the sender’s device and the recipient such that the encryption key never leaves the device; no party in the middle. - Secure chat, voice, as well as file-sharing capabilities to work-groups. - Secure email for Crait-to-Crait users.

蝉鸣（cicadasing）是一款可以私有部署的移动办公的即时通信应用。让您可以和商务伙伴和家人朋友全程使用端对端加密的通讯，无拘无束的在自己的通讯服务器进行移动办公、即时沟通、远程音视频会议等。 蝉鸣的产品特色功能： 【私有部署】可将系统部署在企业自有服务器或任意的云服务器中，保证用户信息、通信内容、数据文件等完全处于自主安全可控的范围。 【端到端加密】全程采用端到端的动态更换密钥加密方案，全部通讯内容及数据使用最高RSA 2048和AES 256 混合加密算法。内容及数据全程以密文的形式传输，只有发送者和接收者可解密通讯的内容，杜绝了第三方解密通讯内容，除了内容端到端加密，还使用网络通道加密、本地数据库加密等技术手段，最大强度的保障了自由而安全的通讯。 【多服务支持】支持同时添加多通讯服务器，可以任意加入不同的私有通讯服务器，可以自由的在不同的群体中实现同步的通讯体验。 【圈子分组】支持圈子分组功能，自由方便的给家人、朋友、同事设置不同的圈子，不同圈子的用户可以互不干扰和可见，保证了生活私密性和社交的便利性。 【保障隐私】蝉鸣通讯服务器不使用任何手机号码、邮箱及其他和个人信息联系的信息进行认证审核，杜绝了个人信息泄露造成的安全隐患。