Browse free open source Security software and projects below. Use the toggles on the left to filter open source Security software by OS, license, language, programming language, and project status.
WinSCP is a free SFTP, SCP, S3, WebDAV, and FTP client for Windows.
An easy-to-use anti-spam email gateway
Anti-Spam SMTP Proxy Server implements multiple spam filters
The portable software collection
Connect to a Service Bus namespace and administer messaging entities
E-mails, subdomains and names
A network security analysis and monitoring toolkit Linux distribution.
The first messaging platform operating without user identifiers
An automated e-mail OSINT tool
Implementation of the EDIINT AS2 protocol (RFC 4130)
AS2 1.1 server implementation in Java
The communications platform that puts data protection first
Easy and fast file sharing from the command-line
Windows tool to read SIM card information and content
Browse on Tor/i2p, Anon p2p Chat / FileTx, Conf / Video VoIP
Phishing Campaign Toolkit
PHP secure communications library
[WARNING] Project has moved to http://github.com/Retroshare/Retroshare
A free utility to recover the passwords of wireless networks