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Home arrow-right ... arrow-right Security and Privacy Software arrow-right Sid

We've compiled a list of 38 free and paid alternatives to Sid. The primary competitors include Slack, Mattermost. In addition to these, users also draw comparisons between Sid and Rocket.Chat, HipChat, Let's Chat. Also you can look at other similar options here: Security and Privacy Software.


Slack
Free Free Trial Subscription

Slack is the hub for seamless collaboration, offering real-time messaging, file sharing, and integration with apps. Get work done efficiently from anywhere.

Mattermost
Open Source

Mattermost is an open source alternative to Slack.

Rocket.Chat
Free Open Source

Rocket.Chat is a Web Chat Server, developed in JavaScript, using the Meteor fullstack framework.

HipChat is an instant messaging service designed for companies and teams.

TribeScale is a startup that aims to enhance teamwork in companies through the improvement of communication, coordination, and the pace on the basis of targets set.

Spectrum Chat
Open Source

A newly open sourced self hosted Slack like alternative for building persistent chat communities

Flock is the fastest growing team messenger and loved by over 25,000 companies globally.

Dialog Messenger is a customized self-hosted platform usable across multi operation systems simultaneously. dialog provides SDK tools for client interface as well as for server.

Escape your inbox. Real-time messaging for modern teams.

Sid is a secure teamwork tool to make your team communication safer, simpler and more efficient.

Sid Video and Screenshots

Sid Overview

Sid is an End-to-end secure teamwork tool to make your team communication safer, simpler and more efficient.
Connect with your team members and keep everyone on the same page.

* Fast communication - 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 iOS 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.

* Peer-to-peer 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.

* Your data is always accessible

Your messages and files are stored locally and synchronized through all your devices, always accessible, even offline.

Sid is available for Android, iPhone, Windows and Mac

Sid Features

tick-square Channels
tick-square Team Collaboration
tick-square Apps with End-to-End Encryption
tick-square Encrypted chat
tick-square Team work
tick-square Secure File Sharing
tick-square Integrated File Sharing
tick-square Group chat

Sid Platforms

Windows Linux iPad Mac Android iPhone

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Sid Tags

team-chat secure-chat team-communication channels

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