We have blogged about Freeware Video Splitter solution earlier on this blog, But if you are looking for a fast and free video joiner with ability to convert video to different format's here is the perfect solution - "Free Video Joiner" is as simple as its name sounds, the single screen interface offers basic functionality but gets the job done fast and easy.
Free Video Joiner supports AVI, MOV, WMV, MOV and MPEG video formats for input and can output to AVI, WMV, MOV, MP4, DVD, VCD, iPod, iPhone, Zune and PSP compatible video formats covering all popular devices and video formats.