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PuTTY

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  Analyzed about 8 hours ago

PuTTY is a free implementation of SSH and Telnet for Windows and Unix platforms, along with an xterm terminal emulator.

165K lines of code

8 current contributors

3 days since last commit

4,253 users on Open Hub

Moderate Activity
4.41649
   
11 Reviews
I Use This
Mostly written in C
Licenses: mit
Tags client gssapi gtk gtk2 kerberos linux networking openssh putty rlogin scp secureshell 8 more...

OpenSSH

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  Analyzed about 16 hours ago

OpenSSH is a free SSH/SecSH protocol suite providing encryption for network services like remote login or remote file transfer.

142K lines of code

28 current contributors

18 days since last commit

3,252 users on Open Hub

Moderate Activity
4.73496
   
1 Review
I Use This
Mostly written in C
Licenses: No declared licenses
Tags bsd client networking openssh portable protocol scp secureshell security server sftp shell 1 more...

OpenSSL

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  Analyzed 6 months ago

OpenSSL is a robust, commercial-grade, and full-featured toolkit for the Transport Layer Security (TLS) and Secure Sockets Layer (SSL) protocols. It is also a general-purpose cryptography library. OpenSSL is licensed under an Apache-style license, which basically means that you are free to get ... [More] and use it for commercial and non-commercial purposes subject to some simple license conditions. [Less]

1.57M lines of code

135 current contributors

6 months since last commit

1,922 users on Open Hub

Activity Not Available
4.39918
   
0 Reviews
I Use This
Mostly written in C
Licenses: No declared licenses
Tags c cryptography decryption perl secure secureconnection security sockets ssl tls transport

Wireshark

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  Analyzed about 16 hours ago

Wireshark is the world's foremost network protocol analyzer, and is the de facto (and often de jure) standard across many industries and educational institutions. (Wireshark was known as Ethereal until June 09, 2006)

4.95M lines of code

236 current contributors

3 days since last commit

1,280 users on Open Hub

Very High Activity
4.43154
   
3 Reviews
I Use This
Mostly written in C
Licenses: gpl
Tags analysis analyzer cmake ethernet lan linux mac_os_x monitoring network networking packet-analyzer packetcapture 14 more...

GnuPG

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Claimed by GNU Analyzed about 24 hours ago

GnuPG is the GNU project's complete and free implementation of the OpenPGP standard as defined by RFC2440 . GnuPG allows to encrypt and sign your data and communication, features a versatile key managment system as well as access modules for all kind of public key directories.

487K lines of code

11 current contributors

7 days since last commit

1,245 users on Open Hub

High Activity
4.40455
   
0 Reviews
I Use This
Mostly written in C
Licenses: gpl
Tags crypto cryptography encryption gnu gnupg gpg openpgp pgp privacy security

WinSCP

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  Analyzed about 6 hours ago

WinSCP is a SFTP and SCP client for Windows using SSH. Its main function is secure copying of files between a local and a remote computer. Beyond this basic function, WinSCP manages some other actions with files. Plugin to FAR manager is available too.

644K lines of code

0 current contributors

9 days since last commit

909 users on Open Hub

Moderate Activity
4.22936
   
4 Reviews
I Use This
Mostly written in C
Licenses: gpl3_or_l...
Tags client file_transfer ftp networking portableapps putty scp security sftp ssh webdav windows 1 more...

Apache SpamAssassin

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Claimed by Apache Software Foundation Analyzed about 13 hours ago

Apache SpamAssassin is the #1 Open Source anti-spam platform giving system administrators a filter to classify email and block spam (unsolicited bulk email). It uses a robust scoring framework and plug-ins to integrate a wide range of advanced heuristic and statistical analysis tests on email ... [More] headers and body text including text analysis, Bayesian filtering, DNS blocklists, and collaborative filtering databases. Apache SpamAssassin is a project of the Apache Software Foundation (ASF). [Less]

123K lines of code

11 current contributors

2 days since last commit

530 users on Open Hub

High Activity
4.24167
   
2 Reviews
I Use This
Mostly written in Perl
Licenses: apache_2, i9
Tags antispam apache apache-software-foundation bayesian domainkeys email filter perl razor rbl security spam 2 more...

OpenVPN

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  Analyzed over 1 year ago

OpenVPN is a robust and highly configurable VPN (Virtual Private Network) daemon which can be used to securely link two or more private networks using an encrypted tunnel over the Internet. OpenVPN's principal strengths include wide cross-platform portability, excellent stability, support for ... [More] dynamic IP addresses and NAT, adaptive link compression, single TCP/UDP port usage, a modular design that offloads most crypto tasks to the OpenSSL library, and relatively easy installation that in most cases doesn't require a special kernel module. [Less]

312K lines of code

20 current contributors

over 1 year since last commit

478 users on Open Hub

Activity Not Available
4.37895
   
0 Reviews
I Use This
Mostly written in C
Licenses: gpl
Tags crypto cryptography encryption firewall infosec interesting it networking privacy security ssl sysadmin 4 more...

FUSE

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  Analyzed about 15 hours ago

Filesystem in Userspace is a simple interface for userspace programs to export a virtual filesystem to the Linux kernel. It also aims to provide a secure method for non privileged users to create and mount their own filesystem implementations.

25.5K lines of code

29 current contributors

3 days since last commit

433 users on Open Hub

Moderate Activity
4.16129
   
0 Reviews
I Use This
Mostly written in C
Licenses: gpl, lgpl
Tags computing development file filesystem filesystems framework fs fuse gmail java kernel library 8 more...

Clam AntiVirus

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  Analyzed over 3 years ago

Clam AntiVirus (ClamAV) is an anti-virus toolkit for Unix. The main purpose of this software is the integration with mail servers (attachment scanning). The package provides a flexible and scalable multi-threaded daemon, a commandline scanner, and a tool for automatic updating via Internet. The ... [More] programs are based on a shared library distributed with the Clam AntiVirus package, which you can use in your own software. [Less]

1.48M lines of code

20 current contributors

almost 4 years since last commit

431 users on Open Hub

Activity Not Available
3.93548
   
0 Reviews
I Use This
Mostly written in C++
Licenses: gpl
Tags av clam clamav email file linux mac mailscanner mailwatch osx scan scanner 7 more...