nxlog is described as 'The nxlog tool is a universal log collector and forwarder' and is a Web Log Analyzer in the Network & Admin category. There are more than 10 alternatives to nxlog for a variety of platforms, including Windows, Linux, Mac, Online / Web-based and BSD. The best alternative is Splunk, which is free. Other great apps like nxlog are rsyslog (Paid, Open Source), Visual Syslog Server (Free, Open Source), syslog-ng OSE (Freemium) and Syslog for windows (Free, Open Source).
Splunk is software that provides unique visibility across your entire IT infrastructure from one place in real time. Only Splunk enables you to search, report, monitor and analyze streaming and historical data from any source.
Rsyslog is an enhanced syslogd supporting, among others, MySQL, PostgreSQL, failover log destinations, syslog/tcp, fine grain output format control, high precision timestamps, queued operations and the ability to filter on any message part.
Visual Syslog Server (daemon) for Windows with a graphical user interface. Visual Syslog Server is a free open source program to receive syslog messages. Useful when setting up routers and systems based on Unix/Linux.
Nagios Log Server is a powerful enterprise-class log monitoring and management application that allows organizations to quickly and easily view, sort, and configure logs from any source on any given network.
Mac-OSX Syslog Center is syslog server monitor and analyzer software for syslog events and notifications that supports any vendor and helps to monitor, analyze, report and correlate real-time network events.
IQLECT is the creator of Ampere, a real-time big data analytics platform. Various apps for data center infrastructure monitoring, clickstream analysis, log analysis and others can be deployed on the platform.