75 Open Source Apps To Replace Popular Security Software: Page 2

Protect your network with free, open source anti-malware, firewall, backup, IDS/IPS, data loss prevention and other security tools.
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Email Security/Filtering

22. Scrollout F1

Replaces Barracuda Spam and Virus Firewall, SpamHero, Abaca Email Protection Gateway

Extremely popular, Scrollout F1 incorporates anti-spam, anti-virus and data loss protection capabilities into a free gateway security solution. It works with all mail servers, including Microsoft Exchange, Lotus Domino, Postfix, Exim, Qmail and others. Operating System: Windows, Linux.

23. ASSP

Replaces Barracuda Spam and Virus Firewall, SpamHero, Abaca Email Protection Gateway

This anti-spam proxy filter claims "When it comes to killing SPAM nothing is as deadly as an ASSP!" Key features include easy browser-based setup, support for most SMTP servers, automatic whitelisting for people you e-mail, early sender validation, virus filtering (based on ClamAV) and more. Operating System: OS Independent.

24. MailScanner

Replaces Barracuda Spam and Virus Firewall, SpamHero, Abaca Email Protection Gateway

This spam blocker boasts that it has been downloaded more than 1.4 million times (approximately 30,000 times per month) and is currently used in more than 225 countries. It includes both anti-virus and anti-spam capabilities, and it is included in many Linux distributions. Operating System: OS Independent.

25. SpamAssassin

Replaces Barracuda Spam and Virus Firewall, SpamHero, Abaca Email Protection Gateway

An Apache project, this self-proclaimed "powerful #1 open-source spam filter" has received numerous awards. It utilizes many different local and network tests to identify spam signatures, and it's easy to add additional rules if you choose. Operating System: primarily Linux and OS X, although Windows versions are available.

26. SpamBayes

Replaces Barracuda Spam and Virus Firewall, SpamHero, Abaca Email Protection Gateway

This spam filter uses mathematical algorithms and your previous behavior to determine the probability that messages are spam or "ham," and then it sorts them into the appropriate folders. It comes in multiple versions, including an Outlook plug-in. Operating System: OS Independent.

27. P3Scan

Replaces VirusScan Enterprise for Linux

This transparent proxy filter scans e-mail and attachments for spam, viruses, worm, Trojans and other malicious code. You can use it alone or alongside other anti-malware or anti-spam applications. Operating System: Linux.

Encryption

28. AxCrypt

Replaces Symantec Encryption, Folder Lock, SensiGuard, CryptoForge

More than 2.7 million users have downloaded and registered this open source encryption solution. It integrates into the Windows Explorer (right-click to encrypt, double-click to decrypt) and also supports cloud storage services like DropBox, Live Mesh, SkyDrive and Box.net. Operating System: Windows.

29. Gnu Privacy Guard

Replaces Symantec Email Gateway Solution (PGP)

Gnu's email encryption solution supports multiple encryption algorithms and offers good key management features. It's a command-line tool for Linux only, but other projects have created front ends and ported it to other operating systems. Operating System: Linux.

30. GPGTools

Replaces Symantec Email Gateway Solution (PGP)

If you're on a Mac, you might want to try this version of GPG. But note that the Mountain Lion version is still in preview stage. Operating System: OS X.

31. gpg4win

Replaces Symantec Email Gateway Solution (PGP)

As the name suggests, this project brings Gnu Privacy Guard to Windows. It encrypts both files and mail messages, and it features an easy-to-use interface. Operating System: Windows.

32. PeaZip

Replaces WinZip

This compression and archiving tool also offers encryption and secure deletion capabilities. It supports more than 150 file formats and multiple encryption capabilities, plus it comes in 64-bit and portable versions. Operating System: Windows, Linux.

33. Crypt

Replaces Symantec Encryption, Folder Lock, SensiGuard, CryptoForge

Speed is Crypt's claim to fame. This command-line encryption utility takes up only 44MB of space, and it can encrypt 30 files (3MB total) in just 0.7 seconds. Operating System: Windows.

34. NeoCrypt

Replaces Symantec Encryption, Folder Lock, SensiGuard, CryptoForge

NeoCrypt boasts an intuitive interface and "fast, reliable and unbreakable encryption." Features include support for ten encryption algorithms, Windows Explorer integration, batch operations and more. Operating System: Windows.

35. LUKS/cryptsetup

Replaces Symantec Drive Encryption

Linux Unified Key Setup, or LUKS, claims to be "the standard for Linux hard disk encryption." It encrypts an entire drive or partition at once and supports multiple passwords for multiple users. Operating System: Linux.

36. FreeOTFE

Replaces Symantec Drive Encryption

Short for "Free On The Fly Encryption," FreeOTFE creates an encrypted virtual disk on your system. It supports multiple hash techniques and encryption algorithms, and it can run from a USB thumb drive. Operating System: Windows.

37.TrueCrypt

Replaces Symantec Drive Encryption

This very popular disk encryption utility has been downloaded more than 26 million times. It offers fast performance, thanks to parallelization and pipelining, and it supports hardware acceleration on modern processors. Operating System: Windows.

Forensics

38. The Sleuth Kit/Autopsy Browser

Replaces EnCase Forensics, X-ways Forensics, AccessData Forensic Toolkit

These apps allow users to perform digital analysis on Windows, Linux, OS X or Unix systems. The Sleuth Kit is a command-line tool, and the Autopsy Browser provides a graphical front-end to make it easier to use. The site also offers quite a bit of information about digital forensics in general. Operating System: Windows, Linux, OS X.


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Tags: open source, firewall, backup, Security Essentials, anti-malware software


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