Tech riderRev. 7 Oct 2026

Cacti

1Runs onLinux, self-hosted, Web, Windows
2CostsFree plan

2 lines stated Written from the maker's own pages: cacti.net

Overview

Cacti is ranked #27 of 56 in network monitoring on Specifiction. It runs on Linux, Self-hosted, Web, Windows. There is a free plan.

Cacti plans and pricing

All plans

Cacti Free Open-source network monitoring and graphing software; requires MySQL, PHP, RRDTool, Net-SNMP, and a PHP-capable web server cacti.net · 7 Oct 2026

Compared on network monitoring

Free plan: Yescacti.net

Facts

Purpose: Cacti is a network graphing and operational monitoring framework built around RRDtool.cacti.net · 7 Oct 2026
Data collection: Cacti collects data using SNMP OIDs or scripts, which can retrieve data from databases or run other code.cacti.net · 7 Oct 2026
Device checks: Cacti supports SNMP, ICMP, TCP, and UDP availability checks.cacti.net · 7 Oct 2026
Discovery: Cacti provides automation and discovery to control automatic graph and data source creation.cacti.net · 7 Oct 2026
Distributed polling: Remote Data Collectors support distributed collection and offline caching during network interruptions.cacti.net · 7 Oct 2026
Graphing: Graph items support line, area, stacked, horizontal-rule, vertical-rule, print, and comment types.cacti.net · 7 Oct 2026
Templates: Device templates can associate one or more graph templates and data queries with devices.cacti.net · 7 Oct 2026
Plugins: Plugins can extend data collection to other protocols; the features page gives a WMI plugin as an example.cacti.net · 7 Oct 2026
Access control: Cacti includes role-based user, group, and domain management features.cacti.net · 7 Oct 2026
Installation requirements: Cacti requires MySQL, PHP, RRDtool, Net-SNMP, and a web server that supports PHP, such as Apache or IIS.cacti.net · 7 Oct 2026
Download availability: The download page lists Cacti source code for Linux/Unix and Windows.cacti.net · 7 Oct 2026
Security protocol support: Cacti supports SNMP versions 1, 2, and 3, with a documented limitation for advanced SNMPv3 settings such as SHA224+ or AES192+ when PHP SNMP is in use.docs.cacti.net · 7 Oct 2026
Support: The Cacti site directs users seeking help to its support section, but the opened pages do not state a support service level.cacti.net · 7 Oct 2026