From www.imtoo.com:

ImTOO Video Editor is multifunctional video editing software comprising functions of Video Joiner, Video Splitter and Video Cutter. With this Video Editor, you can join multiple video files to a new one, split one file into several segments, or cut your favorite segment in one file easily and fast, with excellent image quality.

Features:

1. As a video joiner:
You can add multiple video formats to be joined and combined to one file in comprehensive video formats including VCD, AVI, MPEG, MP4, WMV, 3GP, H.264/MPEG-4 AVC, H.264/PSP AVC, MOV and ASF etc. ;
You can set video size, frame rate to get the perfect effect;
2. As a video cutter:
You can set the beginning point and ending point super accurately;
3. As a video splitter:
You can split file to several video segments manually or automatically, if you prefer to split automatically, you can specify splitting by time or size, or splitting into even pieces;
4. The video edit software allows you to set the resize method to make the output videos in letterbox, pan and scan, full screen, or original size when joining video files;
5. It offers low priority encoding in background mode for you to customize your video editing to get the best performance;
6. AfterDone action is provided to help you designate the status after all your tasks are finished, e.g. do nothing, shut down automatically, keep dormancy status, stand by, or end this program;
7. Preview is supported for you to preview the original and output files.