Related Tools
Communication
Содержание
...Загрузка оглавления...Use the following tools to protect your privacy and security while sending and receiving email, chatting via text messages, voice or video, joining and organizing video conferences, sharing large files or collaborating on sensitive documents. You can also learn more about how to secure your email, recover from possible account compromise, protect yourself and your data when using social media, and create and protect multiple online identities.
More secure email providers
Proton Mail
(Android, iOS apps and web-based for Linux, macOS, Windows)
An email service that supports end-to-end encryption both between its users and with external mail accounts. Apps are free and open-source.
1GB email storage for free — more for a fee.
Download | See their guide
Riseup Mail
(web-based or using a third-party email client such as Thunderbird)
An invite-only email service that supports encryption and has a long history of protecting activists.
1 GB of storage space for e-mail.
See their guide
Autistici/Inventati
(web-based or using a third-party email client like Thunderbird)
An email service with a long history of protecting activists.
See their guide
Disroot
(web-based or using a third-party email client like Thunderbird)
An email service run by a platform built on the principles of privacy, openness, transparency and freedom.
1GB email storage for free — more for a fee.
See their guide
Mailfence
(Android and iOS apps; web-based or using a third-party email client like Thunderbird for Linux, macOS, Windows)
An email service that supports end-to-end encryption both between its users and with external mail accounts.
500 MB email storage for free — more for a fee.
Posteo
(web-based or using a third-party email client such as Thunderbird)
An email service with a focus on security, privacy and sustainability.
Paid service starting at 1 euro per month.
Disposable mailboxes
Guerrilla Mail
A free disposable email service that randomly generates disposable email addresses with several domain names you can choose from. Mailboxes can only be used to receive email, not to send messages.
anonbox
A free disposable email service managed by the German Chaos Computer Club that randomly generates one-time email addresses. Mailboxes can only be used to receive email, not to send messages.
Email applications that support end-to-end encryption
Thunderbird
(Linux, macOS, Windows, Android)
A free and open-source email application that supports OpenPGP end-to-end encryption and can download messages to your computer.
Download | See their support pages
K-9 Mail
(Android)
A free and open-source email app that supports OpenPGP end-to-end encryption and can download messages to your Android device.
Download from Google Play or F-Droid | See their user forum
OpenKeychain
(Android)
A free and open-source encryption key management app based on OpenPGP that works with Thunderbird and K-9 Mail.
Download from Google Play or F-Droid | See their FAQ
Mailvelope
(Chrome/Chromium, Firefox, Edge)
A free and open-source add-on/extension that you can use in Chrome/Chromium, Firefox and Edge to encrypt emails with OpenPGP using the web interface of several webmail providers.
Download | See their guide
FlowCrypt
(Android app for any email provider, iOS app for Gmail, browser extension/add-on for Gmail available for Firefox, Chrome/Chromium, Brave, Edge and Opera)
A free and open-source email encryption mobile app and browser extension based on OpenPGP. It is especially focused on Gmail but its Android app works for any email provider.
Download | See their documentation
More secure text, voice and video chat applications
Signal
(Android, iOS, Linux, macOS, Windows)
A free and open-source application that provides secure text, voice and video chat services protected through end-to-end encryption. It requires a phone number to register, but users can generate usernames they can share with their contacts.
Download | See their guide
Session
(Android, iOS, Linux, macOS, Windows)
A free and open-source application that provides secure text, voice and video chat services protected through end-to-end encryption. It relies on a a blockchain-based decentralized network, does not require a phone number to register and instead of phone numbers or usernames, it uses long strings of letters and numbers to identify each user.
Download | See their documentation
SimpleX Chat
(Android, iOS, Linux, macOS, Windows)
A free and open-source application that provides secure text, voice and video chat services. It relies on a decentralized network, does not require a phone number to register and has no fixed identifiers connected to the users.
Download | See their guide
Delta Chat
(Android, iOS, Linux, macOS, Windows)
A free and open-source application that provides secure text chat services protected through end-to-end encryption. It relies on email providers to transfer data and does not require a phone number to register.
Download | See their guide
Briar
(Android)
A free and open-source application that provides secure text chat services protected through end-to-end encryption. Briar doesn’t rely on a central server - messages are synchronized directly between the users’ devices. If the internet is down, Briar can sync via Bluetooth or Wi-Fi, keeping the information flowing in a crisis. If the Internet is up, Briar can sync via the Tor network.
Download | See their quick start guide | See their user manual
OnionShare
(Android, iOS, Linux, macOS, Windows)
Besides allowing for secure and anonymous file sharing, OnionShare also offers the possibility to chat anonymously using the Tor network (text only) with the recipients of your files, as well as to host a temporary, anonymous website. OnionShare is free and open-source software.
Download | See their guide
More secure collaboration platforms
Rocket Chat
(Android, iOS, Linux, macOS, Windows)
A free and open-source collaboration platform that includes a chat service and other team collaboration features. Organizations with the appropriate technical expertise can host it in their own server, and Rocket.chat offers also paid hosting solutions to those who don't have the capacity to self-host.
Download | See their user guide | See their documentation
Mattermost
(Android, iOS, Linux, macOS, Windows)
A text, voice and video chat application for small-group collaboration. Individuals and organizations with the appropriate technical expertise can host Mattermost services themselves, and Mattermost offers also paid hosting solutions to those who don't have the capacity to self-host.
Download | See their documentation
More secure meeting platforms
Jitsi Meet
(Android, iOS, Linux, macOS, Windows)
A free and open-source app to access Jitsi Meet secure video conference services. Browser-based access to Jitsi Meet video conferences is available for Firefox, Chrome/Chromium and other supported browsers depending on your operating system.
It's important to use Jitsi only on trusted servers: make sure you know the group hosting the Jitsi instance you use. Individuals and organizations with the appropriate technical expertise can host Jitsi services themselves, but there are also paid hosting solutions for those who don't have the capacity to self-host.
Download for mobile devices or computers | See their user guide
Nextcloud Talk
(Android, iOS, Linux, macOS, Windows)
A free and open-source application to have end-to-end encrypted one-on-one or group audio or video calls and chat messages.
Nextcloud Talk is one of the features of the Nextcloud collaboration platform. Organizations with the appropriate technical expertise can host it in their own server, but for those who don't have the capacity to self-host there are also several paid hosting solutions.
Download app for Linux, Windows, macOS, Android and iOS | See their user manual
BigBlueButton
(Chrome/Chromium, Firefox, Edge, Safari for iOS)
(Android, iOS, Linux, macOS, Windows)
BigBlueButton (or BBB) is free and open-source software designed for online education and video conferences featuring several features like screen sharing, a multi-user whiteboard, breakout rooms, group polling, etc. Browser-based access to BigBlueButton is available for Chrome/Chromium, Firefox and other supported browsers depending on your operating system.
It's important to use BBB only on trusted servers: make sure you know the group hosting the instance you use. Individuals and organizations with the appropriate technical expertise can host BigBlueButton themselves, but there are also paid hosting solutions for those who don't have the capacity to self-host.
See their tutorials
More private social networking platforms
Mastodon
(Android, iOS, Linux, macOS, Windows)
A public, decentralized social networking service that is not owned by corporations.
Download | See their guide
Share large files more securely
share.riseup.net
(web-based)
Protect the files you send with end-to-end encryption. Files must be 50 MB or smaller, and the recipient must download them within 12 hours.
upload.disroot.org
(web-based)
Protect the files you send with end-to-end encryption. Files can be up to 2 GB, and the recipient must download them within 30 days.
send.tresorit.com
(web-based)
Protect the files you send with end-to-end encryption. Files can be up to 5 GB, and the recipient must download them within 7 days.
OnionShare
(Android, iOS, Linux, macOS, Windows)
Protect the files you send with end-to-end encryption, and send those files anonymously using the Tor network. OnionShare requires both you and the recipient to install software, but it also allows you to chat anonymously (text only) with the recipient or host a temporary, anonymous website. OnionShare is free and open-source software.
Download | See their guide
Collaborate on documents more securely
CryptPad
(web-based)
Securely edit and share encrypted documents, spreadsheets, presentations, surveys and more on this collaboration platform based on open-source software. CryptPad is hosted by several autonomous servers and can also be self-hosted.
CryptPad instances | See their guide
Etherpad
(web-based)
edit documents collaboratively in real-time on this self-hosted platform for collaborative writing based on free and open-source software. Etherpad is hosted by several autonomous servers and can also be self-hosted.