About Sid Secure Messenger and File Transfer
Sid is an secure messenger and file transfer tool with end-to-end encryption to make your communication safer, simpler and more efficient. Use it for private or group communication to keep everyone on the same page.
Sid is an secure messenger and file transfer tool with end-to-end encryption to make your communication safer, simpler and more efficient. Use it for private or group communication to keep everyone on the same page.
Fast messaging - one-to-one or within groups
Set up your team easily and start right away with secure messaging and file transfer. Use it for private and team communication. Team contacts are exchanged with every new team member automatically.
Sid comes with structured communication in dedicated channels: Organize your team conversation and customize it to match your personal needs.
Available for mobile and desktop devices
Sid clients are available for desktop computers, laptops and as native apps for iPhone and Android. You can use it on any operating system like your computer in the office or on your smartphone anywhere else. Whatever you do on one device is reflected on all other devices, so everything is kept in sync.
Security by design
Sid uses end-to-end encryption for every message and file transferred. The encryption keys are generated and stored on your devices only. Unlike other password driven systems, your private key is used for authorization and authentification.
When working with Sid, your data is safe and no third-parties can decipher the data while being transferred. No one will be able to read your messages or decrypt your files.
We only support clients that run on your device natively to ensure maximum security.
Encrypted and local file transfer
Sid is using a decentralized peer-to-peer technology to transfer data without uploading to a server or cloud. Your data is routed the fastest possibe way without taking detours and will use the local network if applicable. Exchange files of any kind and size with individuals, teams and external contacts.
Previous Versions
Here you can find the changelog of Sid Secure Messenger and File Transfer since it was posted on our website on 2016-04-21 18:08:06.
The latest version is 0.8.7 and it was updated on 2026-06-18 22:14:15. See below the changes in each version.
Sid Secure Messenger and File Transfer version 0.8.7
Updated At: 2017-06-30
Changes: - Support for file transfer caching (up to 2GB)
- Adjustable transfer limit for automatic downloads
- Showing progress bar for up and downloads
- Support for IPV6
- Show encryption key fingerprint of contact in contact details dialog
Sid Secure Messenger and File Transfer version 0.7.5
Updated At: 2016-11-21
Changes: - Invite team members by email
- Adjustable transfer limit for automatic downloads
- Showing progress bar for up and downloads
- Support for IPV6
- Improved image layouting
- Show encryption key fingerprint of contact in contact details dialog
Sid Secure Messenger and File Transfer version 0.6.0
Updated At: 2016-02-29
Disclaimer
External Download
We do not host Sid Secure Messenger and File Transfer on our servers. We did not scan it for viruses, adware, spyware or other type of malware. This app is hosted by the software publisher and passed their terms and conditions to be listed there. We recommend caution when installing it.
The external download link for Sid Secure Messenger and File Transfer is provided to you by apps112.com without any warranties, representations or guarantees of any kind, so access it at your own risk.
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