MiniTool Partition Wizard is capable of direct performing a variety of nondestructive operations (does not destroy the data stored in hard drive) to disk partitions without restarting the computer. This includes: modify partition size, copy/clone partition, create/delete/format partition, merge/split partition, move/extend partition, change the drive letter, set active partition, convert the format/file system of partition, hide partition, copy protected data on disk, and so on.
SolveigMM Video Splitter is an outstanding and very fast (no encoding/decoding process required) lossless video editing software. Its intuitive interface enables users to split (remove the unwanted parts) / merge (join any format of video clips into a single big one) pretty much all common video formats accurately, correctly without quality loss.
GoldWave is a classic (with more than 20 years of development history) and very professional lightweight (less than 10 MB) digital audio editor from Canada, with the most advanced and complete audio editing features in the same heavyweight software.
WavePad is a full-featured and professional audio/music editing freeware for home/non-commercial use. It doesn't need you to have too much basic knowledge for achieving advanced music editing, and is suitable for music lovers who want to manipulate audio files or create their own customized soundtracks.
Users who often play with computers and move files back and forth for collating generally have such a need: merging scattered multiple small partitions into a large one - partition extending; splitting a big partition into several small ones - partition shrinking. Both are collectively referred to as partition resizing/redistributing/reallocating.
GiliSoft Video Editor is a very simplely designed and easy to use video editing software with rich and popular features, which is especially famous as video cutter (or called splitter) and video joiner (or called merger). It supports almost all video formats (including mobile platform, traditional and network video formats).