There are several, mostly aimed at teachers to make them to use with their students. You need to supply both the clues and the answers. They are not usually symmetric, and may not be able to fit in all of your clues. I have included one link. There are others.
There are several online resources that offer a free puzzle maker. Websites such as Puzzle Maker, Armored Penguin, Puzzle Fast, and Teacher's Pet offer free puzzle making resources.
Free online crossword puzzle games are available online through Pogo, Boatloadpuzzles, Greatdaygames, and Webcrosswords. The online version of many newspapers, such as the New York Times, also have free crossword puzzles available.
There are a vast amount of game websites such as Miniclips, Kongregate, or Addicting Games. Each of these websites offer free puzzle games for users of all ages.
There are a variety of online sites that offer puzzlemakers. The web domains "DiscoveryEducation," "Puzzle-Maker," and "Flash-Gear," for example, each provide this service.
There are many different websites available online that offer Kakuro for free. Some of these sites are Kakuro Conquest, Do Kakuro, Puzzle Mix, and Youplay.
Websites that offer college classes online include APUS, Phoenix, and AIU Schools. Most colleges have their own websites where they offer college classes online.
Online design logo makers can be found on the Flamingtext, Tweak and Graphicsprings websites. Logoease also offer an excellent and easy to use application.
There are many websites that offer online personal financing. One can visit financial websites such as BECU or Mint to enroll in personal online financing.
There are several websites that offer timeline maker software. Timelinemaker is an example of such a website. They claim to offer the ultimate timeline software.
There are many websites and companies that offer Yahtzee online for those looking. Some of these websites that offer Yahtzee online are Yahtzee Online, Pogo and Fun Pages.
Look into getting Gimp. Gimp is a free online download. Gimp enables the making of really nice logos easily. Look for the free Gimp download on the web.
A candle maker can purchase supplies from various websites like Amazon and eBay. Both websites offer a great variety of products all around the world, including candle maker supplies.
There are several websites offering Ccna training online. One of these websites is semsim.com.