The first messaging platform operating without user identifiers
E-mails, subdomains and names
Arcjet JS SDKs. Rate limiting, bot protection, email verification
The communications platform that puts data protection first
PHP package built for Laravel 5.* & 6.* & 7.* & 8.* & 9.* & 10.*
PHP secure communications library
Keybase Go library, client, service, OS X, iOS, Android, Electron
Amazon SNS message validation for PHP
Anti-Spam SMTP Proxy Server implements multiple spam filters
A network security analysis and monitoring toolkit Linux distribution.
Implementation of the EDIINT AS2 protocol (RFC 4130)
AS2 1.1 server implementation in Java
Implementation of the OFTP2 protocol (RFC 5024)
Single Linux or Windows binary for secure text encryption
A free Usenet server with SQL backend and RBAC.
UFONet - Denial of Service Toolkit
Anti Spam SMTP Gateway
Chat Messenger. E-Mail-Client. Websearch. Filetransfer.
Takes your crappy password and makes it non-crappy
Secure communication software
minimalistic, secure and autonomous P2P messenger
Strong Email & Apache Log Analysis with Active Security Features
German version of the "Plum Harbor" file sharing app.
An open-source file sharing app built using Next.js and Perplexity.
Easy and fast file sharing from the command-line