Scribd - Unlimited books, audiobooks & comics. Unparalleled discovery. Any device. $8.99/month
Free File Splitter - File Splitter is a handy freeware program which allows to easily split and merge files
SlideShare - Discover, Share, and Present presentations and infographics with the world’s largest professional content sharing community.
GSplit - GSplit is a free file splitter that splits any file into smaller files called pieces. Lots of customization options, attractive and easy-to-use interface.
Substance - A JavaScript library for web-based content editing
Batch File Split & Join - Split and merge multiple text or binary files in either character, line, or byte modes. When splitting files, you can split on certain text or binary separator; target given number of parts; or target specific part size. Join files on lines/bytes.