Open Systems Pharmacology

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Reliable, powerful and easy-to-use modeling & simulation tools for pharmaceutical and other life-sciences applications. Qualified and accepted by the scientific community including academia, regulatory agencies and industry. Available free to everyone.

Essentials

Download OSP Suite

Explore the full functionality of the OSP suite. PBPK, PBPK/PD, QSP – the OSP Suite gives you the flexibility to build it all without having to start from scratch.

Forum

Have your questions answered or provide answers to others. The Forum is a great way to stay up-to-date on the community buzz around OSP.

Documentation

Need to find out how to use a feature? Looking to understand the inner workings of the model? Here you’ll find the extensive OSP manual and qualification documents.

News & Release

Save the Date: OSP Community Conference 2026

In Beerse, Antwerp September 24th and 25th

Open Systems Pharmacology Suite - Version 12 Update 2

We are pleased to announce the new release of the OSP Suite Version 12 Update 2 which is now available for download.

WORKSHOP AT ACOP COLORADO.

Join ESQlabs at the ACoP Conference in Colorado Building Scalable PBPK-QSP Models - Modularization in MoBi for OSP Suite V12.

Ready to take the plunge? Download

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Publications & Models

Models

Glucose Insulin Model

Scientifically exciting for diabetes researchers. Technically exciting for everyone with PBPK models of glucose, insulin, and glucagon coupled through non-mechanistic PD as well as systems pharmacology PD models.

Publications

Journal Publications

Growing list of scientific journal publications that relates to OSP or describes work with PK-Sim® or MoBi®. Add your own contributions and label them or others appropriately to further grow and structure this database.

Take a look at all our models Browse

Gridinsoft Anti-malware 4.1.26 License Key Updated May 2026

Searching for a often leads users to risky third-party websites offering "cracks" or "activators." While the appeal of free premium software is strong, using unauthorized keys for security software can compromise the very system you are trying to protect. Why Avoid Unauthorized License Keys?

: Security software relies on hourly database updates to detect new threats. Unauthorized versions are often blocked from these updates, leaving you vulnerable to the latest malware. GridinSoft Anti-Malware 4.1.26 License Key

: Cracks often modify core system files, which can lead to crashes, blue screens, or conflicts with other Windows security features. Legitimate Ways to Use GridinSoft Anti-Malware Searching for a often leads users to risky

: Many "cracked" versions are bundled with trojans or ransomware that infect your PC the moment you run the activator. Unauthorized versions are often blocked from these updates,

Using a pirated license key or a crack for GridinSoft Anti-Malware poses several significant risks:

Instead of risking your data with "free" keys, consider these official options: Gridinsoft Anti-Malware. Keep your privacy well!

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