Naturally, each item is not explained in detail because the article will become too dimensionless.
Most likely, and so it will be clear what you are talking about, and also for sure you most of the proposed know or you do not need.
- Mail services are the most well-known services, more.
- Newsletter - you can do it yourself and yourself, but there are 3 leading distribution servers that will advertise you and make it successful (with good content, of course), More.
- Reseller programs - usually present to you a site that you can customize for yourself and sell, as if it's your personal business, you put up your mark-up, that is, it's like retail, only here we do not Buy and sell, and resell, more.
- Sale of programs - if you wrote your program, you can create the site and start it. The truth is that you will not succeed and you will simply have to distribute this program free for promotional purposes, so that you have a chance to sell it later. Or use the service already visited and through it to sell your program, for example through a fairly well-known site www.allsoft.ru Or the American www.softunion.org (in Russian). Such sites advertise your product, and have a reliable sales mechanism. You do not have to deal with customers, these services will do it.
- Selling e-books, newspapers and magazines in PDF format for WebMoney at www.publicant.ru.
- Sales of e-books - if you wrote your program, you can create the site and start it up. It's true that you will not get anything and just have to distribute this program free for advertising purposes, so that you have a chance to sell it later. Or use the service already visited and through it to sell your program, for example through a fairly well-known site www.allsoft.ru.
- Auction. You have not written your program or e-book, you have products or things not of your authorship, but you bought them in due time and they are yours. Now would like to sell, then you are auctioned, more about eBay.
- Site registration - there are services that will help free register your site in the main search engines, more.
- Forum - will help resolve the issue with advice or help. The overwhelming number of forums - smoking room for chatterboxes from empty to empty, interesting little. But there are serious sites with forums in which experts participate.
- WebMoney Merchant - free registration of the site and setting up automatic payments through WebMoney. Naturally, for this you need to be registered in the WebMoney system and have a merchant's certificate, more about WebMoney.
- Wikipedia en.wikipedia.org - if you have a serious company, you can contribute It into an open world encyclopedia compiled by all users of the Internet in all languages of the world, anyone can become a co-author of this encyclopedia, more about Wikipedia ..
- Freelance - site for "free artists" of webmasters, in Russian - Weblancer .net, in English - ScriptLance.com, php-freelancers.com, getafreelancer.com, More about freelancing.