SUM - Secure Ultimate Messenger
SUM is a simple secure desktop instant messenger for local networks. No server infrastructure is needed. All communication is encrypted and nothing saved on any server.
- Free
- Open Source
- Windows
sum is a simple secure desktop instant messenger for local networks. no server infrastructure is needed. user find each other by registering in a file which will be stored at a shared network folder or optionally by an simple backend written in php. the communication between users is rsa encrypted. user can verify the identity of the other users by sharing their public keys. sum is ideal for communication in company's because no messages will be stored anywhere. the integrated public/private key management allows a encrypted communication and ensures a tapproof and tamperproof messaging.
Links to official SUM - Secure Ultimate Messenger sites
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messaging lan-messenger lan-messaging
