Absolute Portal  

Absolute Portal is a comprehensive and flexible portal platform. Many unique tools are integrated coherently and new components are being worked on as of now. Currently, Absolute Portal consists of five different key pieces united by one administration panel and these pieces are aware of each other for consistency. With the professional version of Absolute Portal, you can create as many active databases based on these five pieces and connect them to each other. There are top level features that are common in all of these pieces and then each component also has its own unique feature set.

Hosting Requirements: Unix/Linux, Windows
Price: $199/$299

   Metadot Portal Server  

Metadot is a popular open source portal software (GPL) recognized for its revolutionary ease-of-use. It is a blend of a content management system (CMS) providing features such as file, page and link management, together collaboration features such as discussion forums and polls and personalization like My Yahoo.

Hosting Requirements: Unix/Linux, Windows NT/2000
Price: Free (GPL)

   Auto-HomePage  

Auto-HomePage is personal portal software that was designed to allow you to reach that goal. Up until now, only big sites like Yahoo offered their users the ability to create their own custom portal pages. Combining tools such as an Address Book, Calendar, Notepad and a ToDo List with their choice of links and information, you can become the ultimate portal site for your members. By helping them to organize their online experience, you build strong customer loyalty.

Hosting Requirements: Unix, Linux; Perl 5.005; SSH/ telnet
Database: MySQL 3.23+
Price: $399

   NextPortal Lite  

NextPortal is a software package that allows web developers to easily add functionality to their website with one single software solution and without compromising design issues or being forced to maintain the advertising of a third party.

Hosting Requirements: Unix
Price: $49

   CityPort  

CityPort is a turn-key interactive map portal program. It can work as just business directory (directory, search, categories management, records management, and so on) or in combination with LVME map engine. In conjunction with LVME, CityPort allows representation of all records on the map (or maps), map-based directory navigation and so on.

Hosting Requirements: Unix/ Linux, Windows NT
Price: $780

   PoaS  

PoaS (Perlonall Site) is a lightweight web portal system written in Perl. All client output is valid HTML 4. Main features include: newssystem, forum, user management, link database, site stats, theme selection, block administration, banner rotating and many more.

Hosting Requirements: Unix, Windows
Price: Free

   Noink  

Noink was designed as a web-based image server to power the online comic strip site, Geekcomix.com. It is, however, general enough to be used as an abstract information server. It can be configured via simple markup-like files, and has a fairly strong emphasis on security which includes password encryption. It has a simple forum feature built-in with moderator utilities, as well as a rich administration system which includes automated site archival.

Hosting Requirements: *nix
Price: Free

   YaWPS  

YaWPS (Yet another Web Portal System) is a hybrid between a content management system and a web portal for medium- or small-sized Internet- or Intranetsites. All system maintainance is done via a webinterface, so no special tools are needed for administrators or moderators. All client output is valid HTML4. YaWPS works on most common UNIX platforms as well as on Windows platforms. Features: Web based site administration, User management, News and comment system, Forums, Links, Surveys, Statistics, Top 10 list, Search engine, Help system, Theme selection, Template based layout, User editable blocks, Module support, Multiple language support.

Hosting Requirements: Unix, Windows; Perl 5
Price: Free

   CommPort  

Community Portal generator that can be tailored for any location. Each user gets a personal portal page to which they can add their own "channels" or select from a growing list of pre-prepared local, national and international content. This allows any individual to always have a page of their own personal favourites in front of them. Channels may be either "active" with continually updated content such as weather or news headlines or "passive" with collections of links.

Hosting Requirements: Perl 5
Database: MySQL
Price: Free