Literature reading software. Cajviewer is a special reader for reading and editing cnki series database documents launched by China Knowledge Network, and also a special full-text reader for China Journal Network. It supports a variety of document formats, makes reading and editing functions more convenient and perfect, and enhances the document management function. Is a file reading software, small size, strong function, less resources, easy to use. Caj full-text browser is a special full-text format reader for China Journal Network. Similar to the superstar reader, caj browser is also an e-book reader (caj full-text browser). CAJ browser supports reading files in CAJ, NH, KDH and PDF formats of China Journal Network. CAJ full-text browser can cooperate with reading the original text of the network, and can also read the downloaded full text of China Journal Network, and the printing effect is the same as the original text. Caj reader is an indispensable reader for periodical network readers.