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

My PDF Converter

Convert documents into PDF format

doPDF

Convert any file to PDF

Briss

Cut PDF documents to view them on your eBook

Flipping PDF Reader

A PDF viewer with flip page effects

One Calendar

Synchronize all your calendars together

SumatraPDF

One of the lightest PDF document viewers

CalendarPainter

Create your own calendar in six simple steps

JPGasPDF

An easy and quick way to create PDF files

PDF Studio

Complete PDF document editor

PrimoPDF

Transform text documents into PDF files

Evince

A brilliant open source PDF and PostScript viewer

Ghostscript

The ultimate PostScript file interpreter

PaperScan

Improve your scanning quality

Simpo PDF Password Remover

Easily remove passwords from PDF files

Serial Cloner

Molecular biology application

Biogenesis

Observe the evolutionary process of various organisms

ChemSketch

Tool to learn chemistry by drawing compound structures

Algodoo

A fun way to learn physics

SnapGene Viewer

Observe DNA sequences

Curved Spaces

Represent interconnected universes on your PC

Model ChemLab

Simulate a chemistry lab on your PC

PhET

Carry out dozens of scientific experiments from your PC

ArgusLab

Application to view and develop molecules

EniG. Periodic Table of the Elements

Free periodic table of elements with many extra features

Physion

2D virtual physics laboratory

QPeriodicTable

Discover all the secrets of the chemical elements

FluidSIM

Program to create exciting electro-pneumatic circuits

Physics 101 SE

Learn physics and calculate anything whenever you want