Cisco ConfigMaker Software
Cisco ConfigMaker is a free, easy-to-use Microsoft Windows 95, 98 and NT 4.0-based software tool designed to configure a small network of Cisco routers, switches, hubs and other network devices from a single PC.  Click here to download.
Cisco Router Software Loader (RSL) 7.0!
Router Software Loader (RSL) is a software application that enables you to load a Cisco software image oto a Cisco platform through direct, physical cable connections.
Cisco Router Software Loader (RSL) Supported Modem Software!
Cisco is pleased to announce the availability of the latest version of Portware and Microcom firmware. Portware 2.2.3.0 brings K56flex support to MICA modems, allowing K56flex-enabled client modems to achieve the maximum connection speeds possible. Microcom firmware 3.3.20 will add Lucent K56Flex compatibility to Microcom modems as well as support for V.FC, FAX,and Point of Sale (PoS).

Reseller Software Upgrades
This site is for 2-tier customers to download IP only software in case an IOS image is deferred. Cisco periodically releases newer IOS images with bug fixes and/or new features. Upgrading your router's software should result in improved system performance and reliability.
Cisco IOS 2600 IP Software
Cisco IOS 3600 IP Software