nxlog!

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. Troubleshoot application problems and investigate security incidents in minutes instead of hours or days, monitor to avoid service degradation or outages, deliver compliance at lower cost and gain new business insights from your IT data.

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. It is quite compatible to stock sysklogd and can be used as a drop-in replacement.

This is another syslog for windows, it includes daemon and client. Features:RFC 3164-compliant;high performance;message forwarding;log rotation;completely open-source.

Visual Syslog Server (daemon) for Windows with a graphical user interface.

The syslog-ng Open Source Edition™ is a highly portable log management solution to create collect, filter, classify, store and forward log messages.

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. Log Server is designed to analyze, collect, and store log data based on custom specifications, and provide users with extended insight into the data on their network's infrastructure.

Syslog Watcher is a syslog solution for Windows. Our syslog server supports IPv4/IPv6, UDP/TCP, runs as a Windows service. Free Syslog Watcher Personal edition is available.

Kiwi Syslog - Syslog Server for Windows. Receives logs, displays, forwards, archives and e-mails Syslog messages from routers. Download free version today! Works with any syslog enabled device.

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.

Otus is provider of SIEM, log management and event management equipment for enterprises.

BLËSK is a suite of applications for network monitoring and management. It is comprised of a mix of open source and proprietary tools that come pre-installed and configured on an optimized 64-bit version of CentOS Linux. BLËSK helps people see and understand the behaviour of their network. Anyone can quickly visualize, analyze, and pinpoint problems when they occur.

The Snare Server, from InterSect Alliance, is a proprietary Log Monitoring solution that builds on the open source Snare agents to provide a central audit event collection, analysis, reporting and archival system.

Star SysLog Daemon is GUI based syslog server which can receive, log, display and forward Syslog messages from all syslog enabled device such as router, firewall or switch. It can trigger alarm based on the syslog received and filtering rule defined. The alarm supports includes: sound, email, syslog.

The syslog-ng Store Box™ (SSB) is a high-performance, high-reliability log management appliance that builds on the strengths of syslog-ng Premium Edition. With SSB, you can search logs, secure sensitive information with granular access policies, generate reports to demonstrate compliance, and forward log data to 3rd party analysis tools.