Free performance tools
- SE Toolkit
- This is a fast interpreter language for writing performance management scripts on Solaris. The two most famous scripts provided with the toolkit is the virtual_adrian.se and its graphical equivalent zoom. se. You can get it from here.
- Freeware for Solaris
- This sites contains a list of freeware for Solaris maintained by Steven M. Christensen and Associates, Inc.
General UNIX flavours
- Big Brother
- This tool runs on most version of UNIX and will display using web pages the status of UNIX network protocols like SMTP, NNTP, HTTP, FTP etc.
- Open source monitoring and management of IT infrastructure. You can get it from here.
- OpenNMS is the world's first enterprise grade network management platform developed under the open source model. It consists of a community supported open-source project as well as a commercial services, training, and support organization. You can get it from that page under the download OpenNMS section.
- Cacti is a complete network graphing solution designed to harness the power of RRDTool's data storage and graphing functionality. You can get it fromhere.
- Bigsister seems to have more features, alert logging, better portability and more efficient data collection than BigBrother. You can get it from here.
All Operating Systems
- The Multi Router Traffic Grapher (MRTG) is a tool to monitor the traffic load on network links. MRTG generates HTML pages containing PNG images which provide a LIVE visual representation of this traffic. You can get it from here.
- RRD tool
- RRDtool is the OpenSource industry standard, high performance data logging and graphing system for time series data. You can get it from here.
- PDQ © (Pretty Damn Quick) is open source software associated with the books Analyzing Computer System Performance with Perl::PDQ (2005) and The Practical Performance Analyst (1998, 2000). You can get it from the link PDQ in the left hand side menu of the home page.