54 Open Source Alternatives for Server Software: Page 3

Operating System

23. Ubuntu Server Replaces Windows Server

Now one of the most popular flavors of Linux, Ubuntu has a reputation for being easy to use and manage. It comes with built-in KVM virtualization capabilities, and it works with Ubuntu Enterprise Cloud to allow you to create a private cloud.

24. Red Hat Enterprise Linux Server Replaces Windows Server

One of the most well-known enterprise distributions of Linux, Red Hat is known for its reliability, scalability and security. It includes integrated virtualization, the LAMP stack, the Eclipse IDE, and advanced management tools. Note that Red Hat requires a commercial support package.

25. SUSE Enterprise Linux Server Replaces Windows Server

Used by more than 13,000 businesses around the world, SUSE counts the London Stock Exchange, Office Depot, Sony and Walgreens among its high-profile users. In addition to the standard version, it also comes in System z, desktop, SAP, JeOS and other versions. As with Red Hat, SUSE requires commercial support; if you prefer an unsupported, free version, try openSUSE (below).

26. openSUSE Replaces Windows Server

For those who don't want commercial support, the free openSUSE also comes in a server version. However, it does not have as many features and options as the commercial version.

27. Mandriva Enterprise Server Replaces Windows Server

Mandriva calls itself the "simple, high-performance, accessible Linux server." It provides Web, messaging, files, printing, virtualization and directory services. Note that the enterprise server version of Mandriva requires a fee.

28. Illumos/OpenIndiana Replaces Oracle Solaris

When Oracle discontinued development of OpenSolaris, some of the developers who had been working on the project forked it to the Illumos project, where development and bug fixes continue. If you are looking for a free version of Solaris, this is the option for you. To download the software, visit the OpenIndiana page above.

Security

29. ASSP Replaces GFI Mail Essentials, Barracuda Spam and Virus Firewall, Abaca Email Protection Gateway

Short for "Anti-Spam SMTP Proxy," ASSP stops spam at your mail server. Key features include easy browser-based setup, support for most mail servers, automatic whitelisting, virus scanning through ClamAV, Bayesian filters, community-based gray-listing and more. Operating System: OS Independent

30. Devil-Linux Replaces Barricuda NG Firewall, Check Point Appliances

This Linux distribution functions as both a network firewall and an application server. It also includes many open source network and sever monitoring tools. Operating System: Linux

31. P3Scan Replaces GFI Mail Essentials, Barracuda Spam and Virus Firewall, Abaca Email Protection Gateway

This transparent proxy server works with Clam AV and other anti-virus software to scan incoming and outgoing e-mail for viruses, worms, trojans, spam and harmful attachments. Operating System: Linux

Small Business Server

32.Zentyal Replaces Windows Small Business Server

With Zentyal, you get a gateway, an infrastructure manager, a unified threat manager, an office server and/ or a unified communication server all in one package. Professional support, training and add-ons are also available on the site. Operating System: Linux

33.SME Server Replaces Windows Small Business Server

Based on the CentOS distribution of Linux, SME offers file and print sharing, mail server, network firewall, remote access, a Web application server and more. It boasts thousands of users, good security and user-friendly setup and operation. Operating System: Linux

Server Log File Monitoring and Analysis

34. AWStats Replaces Sawmill, TriGeo

AWStats uses the log files from your Web, streaming, FTP or mail server to create easy-to-read graphical reports. It runs from the command line or as a CGI. Operating System: Windows, Linux, OS X

35. Analog Replaces Sawmill, TriGeo

The self-proclaimed "most popular logfile analyzer in the world," Analog quickly generates usage statistics for Web servers. It can be used in conjunction with Report Magic to create more attractive graphs. Note that this project has not been updated in a while, but it is still used to analyze traffic on many servers. Operating System: Windows, Linux, OS X

36. Webalizer Replaces Sawmill, TriGeo

Like AWStats and Analyzer, Webalyzer analyzes the statistics from Web servers. By default, it creates yearly and monthly usage reports which can be viewed from any browser. Operating System: Windows, Linux, OS X

37. Snare Replaces LogLogic, SenSage Log Management

The Snare project encompasses a number of different tools and agents, all of which assist in the filtering, collection and monitoring of server log files. Commercial support and the proprietary Snare Server are also available on the same site. Operating System: Windows, Linux, OS X, others