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Sites starting with "o"

Web Site Listings

O'Boyle Photography [Category: Photography]
The O'Boyle site has travel photography and a fascinating collection of pictures of modern ruins. [Category: Maps]
Created to support and build the highest-quality open source geospatial software. Our goal is to encourage the use and collaborative development of community-led projects.

Oak Investment Partners [Category: Private Equity Firms]
Oak Investment Partners is a private equity firm based in Greenich, Ct.

The Object Oriented Tax [Category: Taxes]
In a blog post, I introduce an idea for tax reform I call the Object Oriented Tax. The reform taxes an abstract object between income and consumption and effectively transform the income tax into a consumption tax.

The Object Tax in a Nutshell [Category: Tax Reform]
This blog post introduces my entry into the tax reform debate. The Object Tax uses Object Technology to update our tax code.

Ocean Planet [Category: Hive Games]
Ocean Planet is an Ocean themed crypto game.

Octapharma Plasma [Category: Blood Donations]
Octapharma has a nationwide plasma collection network. Their headquarters are in Lachen, Switzerland.

Odyssey Investment Partners, LLC [Category: Private Equity Firms]
Odyssey Investment Partners is a New York based investment firm.

Office Depot [Category: Office]
Office Depot is a leading provider of office supplies with superstores in most major retail markets. You can order online and get free shipping on orders over $50, or pick up in the store.

OfficeDepot [Category: Office]
Office Max and Office Depot have merged to create a premiere online shopping destination. You can pick up orders at any OfficeMax or Office Depot or receive free shipping on most orders over $50.

Officer Down Memorial Page [Category: Veterans]
ODMP offers an online memorial for police officers killed in the line of duty.

Official Payments Corp. [Category: Taxes]
This site lets you make your tax payments online via credit card. They charge a service fee, but it works better than

Official Web Site Locator for the UN System of Organizations [Category: United Nations]
Maintains an index of UN organizations.

Old Fashioned Living [Category: Cool Sites]
Site has articles on cooking from scratch, hand made crafts, old fashioned ideas, traditions, simple life, and more.

Old Navy [Category: Apparel]
Old Navy is the destination for affordable casual clothing. They have items for men, women and children. The selection includes shoes, maternity wear and plus sizes.

Old School New Body [Category: Fitness]
Site has a program that challenges some of the assumptions of the fitness industry and claim that some exercises actually increase free radicals and increase aging.

Olympus Holdings [Category: Private Equity Firms]
Olympus Holdings is a private equity firm based in Stamford, Ct.

Omni Hotels [Category: Lodging]
Omni Hotels is a chain of upscale hotels in North America.

OnGuard Online [Category: Internet]
This site by the Department of Justice has information about internet security and avoiding online scams.

One Great Family [Category: Genealogy]
We are all part of One Great Family. This Utah Web site lets you learn more about your branch in the great family tree of humanity.

Oneida [Category: Kitchen]
Oneida makes top quality flatware. The site lets you order knives, forks and spoons to help fill out your current pattern. You can also find new patterns. The coupon AFF10 saves %10 on your order.

Onex Corporation [Category: Private Equity Firms]
Onex is a Canadian based private equity firm.

Online Dating Safety Tips [Category: Dating Safety]
A Site by CupidMedia provides a list of safety tips for online dating.

Online Education [Category: Info]
Provides information about online colleges & universities, online degrees and courses, types of financial aid. You can find the program you need, register, and apply online.

Online English Editing Service [Category: Writing]
OnLine English editing and proofreading service. We provide a professional English editing, grammar correction, proofing academic and scientific manuscript editing service.

Online Math Education [Category: Math]
Site about education in mathematics where you can find many math formulas and ask the teacher.

Online OCR [Category: Internet]
Online OCR offers a service that converts images containing text to text and word documents. You get 25 free conversions, then buy additional bundles of pages.

Online Sheet Music [Category: Music]
Online Sheet Music offers a huge selection of easy to use sheet music for piano, guitar, vocal and other popular instruments with scores for a variety of genres and occasions.

Online Sports [Category: Sports Collectibles]
Online Sports is the oldest and largest catalog of branded sports merchandise. It is a great place to find gifts for sports fans along with sports equipment.

Online Traffic School Guide [Category: Automotive]
Online Traffic School Guide provides the complete information about defensive driving, traffic school, point reduction, driver improvement and driving safety courses of all the states in all the aspects.

Open Clip Art [Category: Microstock]
Open Clip Art has a collection of svg files.

Open Comedy Mic [Category: SteemIt Contests]
Open Comedy Mic is a weekly contest for humorous web posts.

Open SPF [Category: email]
Sender Policy Framework is a standard that helps webmasters define a email policy for a site (and hopefully reduce spam).

Open Source GIS [Category: Maps]
Site lists resources working on open map projects.

OpenBSD [Category: Operating Systems]
OpenBSD is by a committed open source branch of the BSD distribution.

OpenHive - Tribaldex [Category: Hive NFTs]
OpenHive on has a master index for NFTs traded in the HIVE ecosystem along. The site includes the ability to create an NFT collection.

OpenHive.Chat [Category: Hive]
OpenHive is a chat server for Hive.

OpenLayers [Category: Maps]
OpenLayers makes it easy to put a dynamic map in any web page.

OpenStreetMap [Category: Maps]
Open Street Map is free world map created by contributing users.

Opera Software [Category: Internet]
The Opera Web Browser is designed from the ground up for speed, and is one of the most promising alternatives to Internet Explorer and Netscape. The free version has an ad in the corner. The adless version is about $40.00.

Operation Gratitude - [Category: International]
Operation gratitude sends care packages to US troops serving in the Middle East.

Operation HomeFront [Category: Veterans]
Operation HomeFront is a charitable effort that supports the family of troops while they perform dangerous missions abroad.

Operation Iraqi Children [Category: Middle East]
Operation Iraqi Children is an effort founded by actor Gary Senis and Laura Hillenbrand to help the children affected by the ongoing conflict in Iraq. [Category: Credit Cards]
This is a site by Experian, Innovis and TransUnion which allows people to opt out of credit card offers. I really dislike getting prescreened credit offers in the mail as I worry that a mail theive might steal my identity.

Oregon Native American Chamber of Commerce Website [Category: Native American Business]
Serving the Native American business community in Oregon.

Oregon State Beavers [Category: Pacific 12]
The OSU Beavers hail from Corvalis, Oregon.

Oregon Trail 101 [Category: Oregon Trail]
Oregon Trail 101 has an introduction to the Oregon Trail.

Oregon-California Trails Association [Category: Oregon Trail]
If you have ever thought about throwing all of your possessions into the back of your car and heading out for parts unknown, you already know the feeling that propelled hundreds of thousands of emigrants westward in the 19th century.

The Original Scrapbook USA Expo [Category: Scrapbook Events]
A biannual scrapbook exposition in Salt Lake City.

Orion Telescopes & Binoculars [Category: Discovery]
Established in 1975, Orion Telescope of Cupertino offers high quality direct to consumer optics including telescopes, binoculars and astrophotography supplies.

Ornament Shop [Category: Christmas]
Ornament Shop carries personalized Christmas Ornaments and gifts.

Outdoor Cooking [Category: Cooking Outdoors]
Outdoor Cooking carries the complete line of Camp Chef products. You will find propane stoves, dutch ovens, portable smokers, fire pits and accessories for the discerning outdoor chef.

Outdoor Divas [Category: Outdoor Gear]
Outdoor Divas has outdoor gear (snowboards, cycling, boating, camping, etc.) just for the ladies.

Outdoor Play [Category: Boating]
Outdoor Play or Hood River, Oregon carries kayaks, kayaking gear, climbing and camping gear.

Outdoors for All [Category: Recreation]
Outdoors For All provides recreation opportunities for people with disabilities.

Outskirts Press [Category: Self Publishing]
Self Publishing,Book Publishing,Print-on-Demand Full-Service Self-Publishing with Outskirts Press

Overland Sheepskin Co. [Category: Apparel] carries fine sheepskin and leather jackets, UGG boots, slippers, handbags, fur coats, rugs and related items.

Overstock - Pet Adoption [Category: Animals]
The Pet Adoption engine at shows the inventory of animal shelters around the country helping people connect with their next pet while helping deserving animals find a home. [Category: Bargains]
Overstock buys overstocked and clearance merchandise, and passes the savings on to you. This is one of ultimate online bargains shops on the net. - cars [Category: Automotive]
Find deals on cars at

Oxfam [Category: Relief Efforts]
Oxfam International is a confederation of 14 like-minded organizations working together and with partners and allies around the world to bring about lasting change.

Oxfam America Unwrapped [Category: Gifts]
This site has charity style gifts such as a donation to help a farmer in an impoverished area irrigate land, and eco-friendly gifts such as fair trade honey or beades for HIV affected families in Africa.

openSUSE [Category: Operating Systems]
openSUSE is a Linux distribution supported by the German based openSUSE Project. [Category: Backup]
OwnCloud is open source software that allows you to set up machines with universal access allowing you to create your own little puff of vapor in the cloud.