phpMyAdmin is a tool intended to handle the administration of MySQL over the Web. It can create, rename, and drop databases, create/drop/alter tables, delete/edit/add fields, execute any SQL statement, manage keys on fields, create dumps of tables and databases, export/import CSV data, and administrate one single database and multiple MySQL servers.
ZABBIX is an enterprise-class distributed monitoring solution designed to monitor and track performance and availability of network servers, devices, and other IT resources. It supports distributed and Web-based monitoring, auto-discovery, real-time monitoring, SLA assurance, trending, and more.
LDAP Account Manager (LAM) is a web frontend for managing entries (e.g. users, groups, DHCP settings) stored in an LDAP directory. LAM was designed to make LDAP management as easy as possible for the user. It abstracts from the technical details of LDAP and allows persons without technical background to manage LDAP entries. If needed, power users may still directly edit LDAP entries via the integrated LDAP browser.
GLPI (Gestion Libre de Parc Informatique) is an information resource manager with an administration interface. You can use it to build a database with an inventory for your company (computers, software, printers, etc.). It has functions to make the daily life of the administrators easier, including a job/request tracking system with mail notification and methods to build a database with basic information about your network topology. It provides a precise inventory of all the technical resources (all their characteristics are stored in a database) and management and history of the maintenance actions and the bound procedures. It is dynamic and is directly connected to the users, who can post requests to the technicians.
DreamHost supports automated billing. All hosting, domains, orders, accounts, statistics, and billing can be viewed and updated in the admin area (no programming or HTML experience needed). It supports all top level domains, and you can add or remove as many as you like. Each top level domain can be assigned a different registration cost for each year (1-10 years). Customers can login and update their account information and password. It uses MySQL and PHP, making it very fast and dependable. It includes many more convenient features.
Dixie DNS & DHCP Config Tool is a Web interface written in PHP for configuring and administering ISC bind and dhcp. It maintains a database with general DNS and DHCP information, and information about subnets and hosts. It produces config files, or sends dynamic DNS updates if DDNS is used on the server. It has simple DNS and DHCP live browsers, and can produce subzone files for MS Active Directory.
CheckNow! is a Web-based tool that enables system administrators of game servers to check on the status of their servers and manage the servers themselves. When running multiple games, the administrator is given the option of start multiple servers and switching between any of the games they have installed (in case you're just playing with 3 or 4 friends and can only run one server). It includes a news tool for the ability to provide notices of scheduled maintenance downtime, etc.