Windows

Ocenaudio

Ocenaudio Dev.

Easy cross-platform audio editor

Okular

KDE Project

Universal document viewer for PDF/eBooks

Ontrack EasyRecovery

Ontrack

Professional-grade file recovery solution

Open Hardware Monitor

Open Hardware Monitor Dev.

Free hardware sensor monitoring tool

Open-Shell

Open-Shell Dev.

Classic Start menu replacement

OpenOffice

Apache

Open-source productivity suite

OpenShot

OpenShot Studios

Easy cross-platform free video editor

Opencartis Spatial Manager for ZWCAD

Opera GX

Opera Software

Gaming browser with RAM limiter

OriginPro

Overwolf

Overwolf Ltd.

In-game apps, overlays and mods platform

PDF-XChange Editor

Tracker Software

Fast lightweight PDF viewer and editor

PDF24 Creator

geek software GmbH

Free PDF creator with many PDF tools

PDFescape

PDFescape

Free online PDF editor and form filler

PHP

PHP Group

Server-side scripting language for web

PRTG Network Monitor

Paessler AG

Network monitoring up to 100 sensors free

PTC Creo Illustrate

The flagship application in the Creo Suite, Creo Parametric, is the only software you need for 3D CAD. With Creo Parametric, you can seamlessly combine parametric and direct modeling, open non-native CAD data, collaborate with almost anyone thanks to Unite technology, and relax knowing all downstream deliverables will automatically update. Combine this range of capabilities with ease of use, and you have a product design accelerator.

PTC Creo View

Creo View makes the comparison and validation process easy, with single-view interrogation of mechanical and electrical design, project, and part data. With Creo View, you’re on the way to faster and higher quality design reviews, improved user and extended design team collaboration, and higher quality products at a lower cost.

Paint.NET

dotPDN LLC

Image editing for Windows with plugin support

Pale Moon

Moonchild Productions

Goanna-based Firefox fork for Windows

Panda Free Antivirus

Panda Security

Cloud-based free antivirus protection

Paragon Backup & Recovery

Paragon Software

Disk backup and bare metal recovery

Parsec

Parsec Cloud Inc.

Low-latency remote game streaming

PeaZip

Giorgio Tani

Cross-platform archiver 200+ formats