Web applications backed by Pylons

(installable by users)

Adjector - A fast, slim, flexible ad server
LinOTP 2 - An authentication backend for one time passwords.
Mediacore Video CMS - A video, audio and podcasting CMS released under an Open Source GPLv3 license. MediaCore can pull video or audio from any source, track statistics, enable commenting, and make administration easy.
muse - Lightweight blog platform/content management system that eliminates all the boilerplate of common systems in favor of actual functionality.
SFLvault - A networked credentials store and authentication manager. Great to maintain a large park of servers, switches, routers and other machines (has a CLI client for the unix geek).
RhodeCode - Mercurial repositories management, and serving application. Link Building

Web sites backed by Pylons

27Jobs - Search Thousands of real jobs.
3aims Web Development
35 EWave - Connect with the people in your company or organization
AdRoll - Simple, effective retargeting and display advertising for brands of all sizes.
Ain't Just Soul - Let's you listen to records on eBay.
Arcadia and Ricono - Italian literary agency. Site is backed by a lightweight, i18n-enabled CMS built on Pylons 0.9.6.1 using elixir for modelling, babel for i18n and mako for templates.Smartwool Socks
A Swift Half - UK pub searching and reviews.
AuthKit
Automotive News Ecommerce
Bel-EPA - personal site of Graham Higgins, uses Pylons with a native XML database (eXist) and semantic web RDF (rdflib).
BitTorrent - (yes that BitTorrent)
BlackLedger Resident Clubs - Offers discounts to residents of apartment communities.
Blockparty NYC - Allows users in NYC to add and find blockparties taking place in their neighborhoods.
byCycle.org - allows users to find the best bike routes in a couple select cities (so far)
http://btbytes.com - personal site of Pradeep Gowda. Uses pylons with docutils,Mako on a NGINX server
Car.gr - Largest online car classifieds website in Greece.
Comprehensive Knowledge Archive Network (CKAN) - Registry for open data and content packages (and a few closed ones)
Clinical Indications - In conjunction with NHS Innovations South East
Charlie Rose - Website for the popular PBS Show.
CMS - Water and environmental conference and event organisation.
Criação de Sites - Websites development.
CLS Legal Staffing - Chicago-based Paralegal and Legal Staff recruiting site with job listings. Runs on a custom made CMS built on Pylons with Elixir, AuthKit, jQuery, Mako, memcached, and table-free CSS layout.
Codepad - A pastebin that runs code in a variety of languages (including Python, of course)
CSM Worldwide - International Automotive Consultancy, i18n multilingual site, full content management system, e-commerce, event registration, document management system
Deal Sharing Community Network - Share deals, discount, freebies and Garage sale information on Internet. currently in development stage
debexpo - Debian package repository used for mentors.debian.net
ddportfolio - Debian Developer Portfolio Service uses Pylons, jQuery and Formencode to build Debian Developer related URLs
debshots (screenshots.debian.net) - storing screenshots of Debian applications with a spice of jQuery
Developer Community (Ukranian) - Russian/Ukranian web portal for developers.
Digg.com - Digg uses Pylons to power its ad server.
Driverfall - World's biggest driver resource, currently in test drive
EasyCross.ru - Russian web portal about cross stitch
Elevadores - Elevators company.
Entic.net - VPS server/Pylons hosting - Get up to 50% off just for Pylons developers - email us!
Fanfeedr.com - Sports and social networking.
FreeLDAP.org - a free LDAP service for address books and more
Faxless payday loans
FireEye, Inc.
Fazer site - Web company.
FormBuild
Fotobuch-XXL
foxhop.net
Foxmarks
Forex
forex trading
freebase - a open database of the world's knowledge, currently in beta
Gainlog - Work organizing and project management tool based on Pylons and SQLAlchemy
GamingPeak - Play online spades and backgammon against computer or human opponents. (Other games too.)
General Sports & Entertainment - The power of sports and entertainment
Hiveland - Experimental community pixel art
Idée Labs - Idee's technology showcase, focusing on visual search. Front-end is powered by Pylons.
iDesk - an application to collect and share informations easily
IM Feeds - Delivers RSS/ Atom updates to your instant messenger
Imagemovers Digital - Used internally at Film Studio as part of Digital Asset Management project.
IncidentNews - Information on current and historic oil spills/hazardous material spills in US waters, by NOAA's Emergency Response Division (US government site)
indiconews - Citizen journalism website, recently rewritten from php to pylons/sqlalchemy. Facebook app for this is also part of the pylons project.
Criar site - Webdesing company.
JeugdKosk - Youth section (in Dutch) of the Chess Club of Ostend (Belgium).
Jingobid - An auction website which allows people to win high quality electronics in English and Cantonese.
koitank - A koi (japanese fish) management software for a web shop.
Lab Engine - Project management/ bioinformatics software for researchers.
LosoweHaslo - A simple random password generator with a Polish interface
Joomla - Joomla Templates company.
Lunartics - Meet the Universe's most quirky and colourful oddballs!
Mac How - everything about Macs
MadForIT
Market Shares Australia - In-depth current and historic stock market analysis and portfolio management for the Australian stock market
Matisse & Jack's - Natural foods online store for Matisse & Jack's products
Melkjug - Tunable open source RSS news reader
MochiAds - Ad network for Flash games
Mudanças - Transportation and Changes.
Mudanças - Changes home.
Neopulsar - French humorous videos and dvds
Now.in - A free online radio platform.
Itaquera - Business company.
Octopart - Search engine for electronic parts.
Odosh - Personal type and relations harmony detector based on computer vision
Open Shakespeare
PDFTextOnline - PDF Text Extraction in Your Browser
Parachute
Pickv - Online dating website that matches people based on their favorites (movies, music, tv shows, books and food)
Popego - Know your (Digital) self.
PrideLife - A website which accompanies the UK based pridelife magazine. Fully developed with Pylons including a custom made CMS.
Pump Pro Edits - Edit step files for the arcade game Pump it Up Pro
Pumkin Online English - English learning for kids. Website by pumkin.com.
PylonsHQ - This website
Project HQ - An open source project management system. The site runs Drupal, but the app itself is written in Pylons (see the online demo of the project).
Random Idea - Webdesign and development portfolio site showcasing the talents of Random Idea
Reddit - a collaborative news site(announcement)
Resveratrol
RUProm.net - Russian B2B marketplace
Sauce Labs - Selenium-based cross-brower testing cloud service, open source software, and support.
Freelancing projects - Locate and search freelanced projects
Arcteryx
Snowtide Informatics Systems, Inc.
TRTF - The Russian Technology Fund (venture capital investment opportunities in Russia)
The Microshare Project - Pylons XUL demo
theSector.ca - a tool to explore trends in the Canadian charitable sector
This One Next - Book, music and film recommendations
Toostis - Events you care about.
Transportadoras - transportation of containers.
TradeVibes - A platform for sharing, discussing, and evaluating information about new startup companies.
Cash Register
Of Swimming Pools and More
Trimet is using Pylons for internal projects (there are plans to release some of this code at some point).
Tvnext.si - Calendar with TV series release dates
TweepTracker - A web app to manage twitter followers,friends, and whatnot.
Two Peas In A Bucket - The internet's #1 online scrapbooking retailer and community. They're migrating the entire site from Classic ASP to Pylons.
UAProm.net - Ukrainian B2B marketplace
UrlZip.fr - TinyUrl Like
URM Exercise class distribution and management at a University in Germany. Students register with their preferences for the classes and get distributed in an optimal fashion. Site is in German.
veekun - Pokémon database
Virgin Charter - Marketplace for private jet charter
Virtual Teams: Howto for Software Developers - Online book for virtual teams of developers
We Give app on Facebook - Send digital gifts to friends and raise micro-donations for small, passionate charities
Weta Digital - Used internally for various projects at Film Studio.
What Should I Read Next? - Book recommendations
WisdomTap - Product search and recommendations
Walter Cruz - Artigos
Webhosting.pl - Polish, portal about internet technology
ySage - Investor insight into listed companies (US now, more countries coming soon)
VestDanmark - Danish holiday and vacation-house portal.
Siafoo - The intersection of pastebin, help desk, version control, and social networking
Odebek - Polish sculptor's portfolio, polish and english
Massage salon - Massage salon, polish only
WMASG.pl - Polish Airsoft Community Portal
cheap oem software - oem software download
adobe oem software - oem software download
criação de sites - websites development

Links Entered Out Of Order (Perhaps for a Reason?)
Jaworznicki Portal Społecznościowy - Polish, local portal for city Jaworzno. [http://www.diamondlinks.net]
Pure Expressions Photography - Photography studio
MyLanck.net - Russian Internet Service Provider Portal for Clients. Including forum fully written with Pylons.

Links not currently working:
Blackberry Tracker Pylons site that enables you to track GPS-enabled Blackberry Phones.
darvocet app - The new app is an expansion of the mobile channel for the drugstore.com(TM) portfolio of brands, which also offers on-the-go shopping for BlackBerry users.
Cheeseboard - A Cheeseshop mirroring system (10/14/2007)
IMDBTube - All IMDB records and related YouTube videos, currently in development (8/11/2008)
Joblint - Software job board
drugstore app - The new app is an expansion of the mobile channel for the drugstore.com(TM) portfolio of brands, which also offers on-the-go shopping for BlackBerry users.

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