For those PDF files which are protected with password, i.e.: not permitted to edit, change, print, copy, add annotations, etc. At this time, we can turn to VeryPDF PDF Password Remover, with its help we can unlock these limitations easily by removing the password of PDF file.
Vbs To Exe is an straightforward and intuitive small freeware written (based on Visual Basic scripting language) for developers. It can quickly convert VBS format of script files to EXE - executable format.
Acme CAD Converter is an excellent, all-around CAD drawing files manager from China, which can perform operations like viewing, printing, converting, repairing, packaging, transforming, replacing fonts to CAD files in batch. It comes with a similar UI with the well-known ACDSee - powerful but easy-to-use.
GoodSync is a very famous, simple but user-friendly and reliable automatic file/folder backup/sync utility. It can quickly and automatically analyze, compare and then sync or backup your files/folders among a variety of local or online storage spaces on multiple devices or platforms.
Decompiler and disassembler are essential tools for any sharp-sighted programmers. No matter which programming languages, they have their corresponding decompilers. For compiled Java binary class file, there are two excellent decompilers: they are freeware Java Decompiler and commercial software DJ Java Decompiler (AppNee will release its related resources later).
At present, DAEMON Tools is the best and most powerful virtual drive tool in the world, also the only one in similar tools that supports NF3, PS and encrypted CD/DVD formats. Besides, it is also an advanced simulation tool for backup and merging of protected CD/DVD (by SafeDisc encryption technique), and able to open CUE, ISO, IMB, CCD, BWT, MDS, CDI, VCD, and many other image file formats.