Bastille Solitaire
The game known as "Peg Solitaire" was popular throughout Europe in the 1800s. It is said the game was invented by a prisoner in the Bastille. Bastille Solitaire is a modern improved realization of this game. Bastille Solitaire has two types of levels: puzzle levels (like in the original Peg... A peg can jump over any adjacent peg if there is an empty space on the other side. ... As a result of the jump the latter peg is removed. ... Click the peg you want to jump. ... Then click the space where this peg has to jump.
http://www.soft-album.com/bassol/bassol.exe - 353Kb - Download - Screenshot

JoYtair
JoYtair is an exciting family game like the classic peg game Solitaire. Remove the pegs one after the other by jumping horizontally or vertically over one. The one being jumped will be removed from the board. Use your brain and try to remove all the pegs except one. ... If the same peg jumps over several pegs consecutively, it is counted as one move. ... There are 30 different boards. ... For entering the highscore list, the number of left pegs has priority before the moves needed.
http://www.jogames.com/ftp/joytair_e.exe - 3Mb - Download - Screenshot

PegIt
PegIt is a unique and challenging level-based logic puzzle game. Originally inspired by the classic board game 'Peg Solitaire'. The object of the Peg Solitaire game is to remove all the Pegs by jumping one peg over another. In this game, the Pegs are replaced with little yellow-haired people... This genre defying game has more in common with Lemmings and Dweep than the usual crop of action puzzle games you'll find today. ... Some levels focus on a complicated mixture of contraptions that must be used to complete a level while others follow the more traditional 'Pegs only' style.
http://www.shoecakegames.com/files/pegit-install.exe - 999Kb - Download - Screenshot

FreePeg
The game known as "Peg Solitaire" was popular throughout Europe in the 1800s. It is said the game was invented by a prisoner in the Bastille. FreePeg is a modern improved realization of this game. FreePeg has two types of levels: puzzle levels (like in the original Peg Solitaire) and strategy... A peg can jump over any adjacent peg if there is an empty space on the other side. ... Click the peg you want to jump. ... As a result of the jump the latter peg is removed. ... Then click the space where this peg has to jump.
http://www.gamealbum.com/downloads/freepeginst.exe - 382Kb - Download - Screenshot