What are some alternatives?
When comparing TeraCopy and Ultracopier, you can also consider the following products
Robocopy - Robocopy is a free file copy tool that is included with the Microsoft Windows operating system. It allows one to construct complicated instructions to move, or copy files.
FastCopy - FastCopy is the fastest copy, delete, & sync software on Windows.
Copywhiz - Copywhiz enhances your file copy experience in Windows. It offers more flexibility when copying files by letting you choose which type of files to copy & which to ignore - Selective File Copy. Also schedule automatic file backups using Copywhiz.
SuperCopier - Download Supercopier 4 which is free and open source software licensed under GPL3 that acts as a replacement for files copy dialogs. Main features include: play/pause, speed limitation, on-error resume, error/collision management .
Copy Handler - the open source, free file copy utility that is: fast, highly customizable
Beyond Compare - Beyond Compare allows you to compare files and folders.