Tuta is a privacy-focused service that provides ad-free secure email, calendar, and contact tools. It uses end-to-end, quantum-resistant encryption to protect user data, offers mobile apps for Android and iOS, and supports custom email domains for professional use.
Yopass is an open-source tool that encrypts secrets in the browser using OpenPGP before anything leaves the user's machine. The server stores only ciphertext and never sees plaintext. Secrets self-destruct after retrieval or when their configured expiration passes. It is free to self-host.
A page listing email applications across Windows, macOS, Android, iOS, Linux, browser plugins and webmail providers that support the OpenPGP standard, either directly or with additional software. The page states that its authors do not actively participate in developing these third-party apps and have not performed security audits.
GnuPG is a free implementation of the OpenPGP standard, allowing users to encrypt and sign data and communications. It includes a key management system, access modules for public key directories, and support for S/MIME and Secure Shell. It is a command line tool with frontend applications and libraries available, and it can be freely used, modified and distributed under the GNU General Public License.
Burn My Note is a service for sending self-destructing messages. Messages are encrypted on the device before being sent, optional password protection adds another layer, and notes are permanently deleted from the servers after being viewed.
SafeNote is a free web-based service for sharing notes and files via a link that self-destructs after being read. It requires no account, password or email, and offers advanced options for timed deletion, read notifications and destruction notifications. Unread notes are automatically deleted after 14 days. A file sharing API supports programmatic uploads.
Conduit is a chat server powered by Matrix, described by its project as simple, fast and reliable. The GitLab project hosts the server source code and links to the Conduit website.
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Yopass is an open-source tool that encrypts secrets in the browser using OpenPGP before anything leaves the user's machine. The server stores only ciphertext and never sees plaintext. Secrets self-destruct after retrieval or when their configured expiration passes. It is free to self-host.
A page listing email applications across Windows, macOS, Android, iOS, Linux, browser plugins and webmail providers that support the OpenPGP standard, either directly or with additional software. The page states that its authors do not actively participate in developing these third-party apps and have not performed security audits.
GnuPG is a free implementation of the OpenPGP standard, allowing users to encrypt and sign data and communications. It includes a key management system, access modules for public key directories, and support for S/MIME and Secure Shell. It is a command line tool with frontend applications and libraries available, and it can be freely used, modified and distributed under the GNU General Public License.
Burn My Note is a service for sending self-destructing messages. Messages are encrypted on the device before being sent, optional password protection adds another layer, and notes are permanently deleted from the servers after being viewed.
SafeNote is a free web-based service for sharing notes and files via a link that self-destructs after being read. It requires no account, password or email, and offers advanced options for timed deletion, read notifications and destruction notifications. Unread notes are automatically deleted after 14 days. A file sharing API supports programmatic uploads.
Conduit is a chat server powered by Matrix, described by its project as simple, fast and reliable. The GitLab project hosts the server source code and links to the Conduit website.
