Bronto
Perserves modules including a hacked version of the Downloads module for corporate use, a weather module, and an edit of the phpwebsite calendaring system for PostNuke [Open Source, GPL].
Family Nuy
Developer of several modules for use in PostNuke such as pnMoodle and a feedback module [Open Source, GPL].
Hotscripts
A listing of the most common postnuke modules that are available. Most of them modules are free for download use under the GNU Public License.
Ivory Tower
Developed several PostNuke modules including a real estate module (OpenRealty), poetry system for registed users (Poetry) and a word definition module (Semantics) with associated Word of the Day site block [Open Source, GPL].
Jorn Lind-Nielsen
Developer of two modules one that allows an administrator to creat their own types of publications (PageSetter) and another for an image gallery (Photoshare). Both are well documented and supported [Open Source, GPL].
Kemas Yunus Antonius
Developer of several PostNuke Modules including a public domain Dictionary, Internet Radio, Internet TV and Quran with English and Arabic translations [Open Source, GPL].
Lexebus
Variety of modules are available for download including an XClan Module. Registration is required for download [Open Source, GPL].
Lottasophie
Developer Site of My_eGallery and EZComments module in addition to a few other PostNuke utilities. Site documentation includes API information and docs for all of the site modules [Open Source, GPL].
Magnish Series
Developer of the Magnish Image Gallery with full block support and unlimited galleries [Free and Pro versions], and the Magnish Realty module for real estate management in PostNuke.
MakeShift Design Co.
Developers of a PostNuke wrapper to a CafePress shop (CPStore), a tweaked version of pnConcert for more open use (pnEvent), and a personals module (zPersonals) in addition to the accompanying PostNuke blocks [Open Source, GPL].
News Modules
Developer of several modules including one for integration of a newsletter service (What's_News), a module to get information from remote sites and import into current site (SyncAcross) and a remote news fetching module (ShortNews) [Open Source, GPL].
Orodruin
Developer of PostNuke's Encyclopedia module in addition to a fanfiction and efiction module [Open Source, GPL].
pnADD-ONS
Developer of several add-ons and hacks for PostNuke, including blocks, modules, themes. [Requires registration for download].
pnConcept
Developers of several points-based modules including a module that allows users to gain points for being active on the site through posts and articles (pncUserPoints), site members can apply to a different group (pncGroups) and a statistics module for member points (pncSimpleStats) [Open Source, GPL].
PNphpBB Hacks
Developers of various hacks that extend and tweak the functionality of PostNuke Bulletin Board. Additionally, the site includes themes for PostNuke and/or PNphpBB and an exhaustive smiley pack (emoticons) [Open Source, GPL].
pnStandings Series
pnStandings is a module system for managing tournaments, schedules, rankings, teams, players, personal statistics. Currently has modules for Volleyball, Basketball and Soccer [Registration required for download, Free versions and Commercial versions]
PostNuke Modules CVS
A central CVS repository for Postnuke modules. most modules seem to be last updated in 2001 [Open Source, GPL].
PostNuke Modules Factory
Develops fully pnAPI compliant modules including a calendar (DailyArchive), a flexible subjects module (Subjects), a file manager module (EasyWeb FileManager) to name a few. All of modules they developed are documented on-site [Open Source, GPL].
Rafaellop
Developer of several modules including a buddy list (CS Buddies), an award module (CS Awards), a site hints module (CS Site Hints) and finally a modified version of the Download and Web_Links modules for language support [Open Source, GPL].
Rose and Curt
Download site for the PostNuke Recipe and MultiImage Modules and a modified who's online site block [Open Source, GPL].
Temple University Anime Club
Developers of two modules including a Flash-based quiz system (hiragana) and the other is a Book Cooperative for students selling books to each other and the site theme (Tuac) [Open Source, GPL].
Vivian Synteta
Developed a project-based e-learning module for higher education (ePBL), a join project module (joinproject) and a virtual quiz module (vquiz) and provides some documentation for writing a PostNuke modules [Open Source, GPL].