PDF Studio

Complete PDF document editor

Cometdocs

Simple file converter

My PDF Converter

Convert documents into PDF format

SumatraPDF

One of the lightest PDF document viewers

CleverPDF

A complete suite of tools to work with PDF files

Evince

A brilliant open source PDF and PostScript viewer

Briss

Cut PDF documents to view them on your eBook

PrimoPDF

Transform text documents into PDF files

First PDF

PDF file converter

Simpo PDF Password Remover

Easily remove passwords from PDF files

Flipping PDF Reader

A PDF viewer with flip page effects

Wide Angle PDF Converter

Converter from PDF to Word and other formats

Corel PDF Fusion

Create and edit PDF documents with this complete tool by Corel

Bullzip PDF Printer

Easily create PDFs by simulating that you are printing a document

JPGasPDF

An easy and quick way to create PDF files

PaperScan

Improve your scanning quality

WindowsRunHistoryEditor

Edit the MRU list of the Run box

AWStats

Registry file analayser

Baku

Allows searching for system registry errors and removes them safely

Argente Registry Cleaner

Optimize the status of the Windows Registry

Autoruns

Shows all the programs configured to run with Windows startup

RegistryBooster

Optimize the Windows registry file

Registry Life

Increase the lifespan of the Windows Registry file

Vit Registry Fix

Eliminate the errors from the Windows Registry file

RegCleaner

One of the most popular tools to clean the Windows registry

Comodo System Cleaner

Complete optimization tools and utilities suites

Wise Registry Cleaner

A free and secure Windows registry cleaner

Eusing Free Registry Defrag

Defrag the registry file for free