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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Baldev’s story is a metaphor for the nation. Indians don't wait for perfect conditions. They create conditions. When the traffic is a deadlock, they find a gali (alley). When the train is sold out, they buy a general ticket and sit on their suitcase. Jugaad is not poverty; it is resilience. It is the quiet, ingenious rebellion against the word "impossible."

These "Chai Tapris" are the great equalizers. You will see a billionaire CEO standing next to a rickshaw driver, both sipping from clay cups ( kulhads ), arguing about the latest cricket score or government policy. The culture here is fundamentally communal; solitude is a foreign concept when there is a tea stall nearby. The Modern Pivot: Tech Meets Tradition desi mms co top

The story here is one of invitation. The patterns are designed to welcome Lakshmi (the goddess of prosperity) and to feed tiny insects, representing a coexistence with nature. Even in high-rise Mumbai apartments, you’ll see a small sticker or a chalk drawing by the elevator—a stubborn, beautiful holdout of tradition in a concrete jungle. The "Dabbawala" Logic: Perfection in Chaos Baldev’s story is a metaphor for the nation

From the Sangeet (musical night) to the Mehendi (henna ceremony), these events function as temporary villages. Here, lifestyle is defined by "The Aunties"—the keepers of oral history and matchmakers—and the younger generation, who blend traditional silks with sneakers. It’s a week-long marathon of hospitality where the "Atithi Devo Bhava" (The Guest is God) philosophy is put to the ultimate test. Tea, "Adda," and the Art of Conversation When the traffic is a deadlock, they find a gali (alley)

, street food represents the fast-paced, democratic spirit of Indian cities. Art and Expression

The country's rich cultural heritage is also reflected in its art, music, and dance. Indian classical music, with its intricate ragas and talas, is one of the oldest and most revered forms of music in the world. Indian dance forms, such as Bharatanatyam, Kathak, and Odissi, are known for their elegance, poise, and storytelling ability.

But the real story lies in the inclusivity of these celebrations. It’s the story of a Hindu neighbor sending sweets to a Muslim friend, or an entire office floor—regardless of faith—dressing up in ethnic silk for a Diwali party. These festivals are the heartbeat of the country, acting as a periodic reminder that despite the chaos of daily life, there is always a reason to celebrate. 5. The Concept of 'Jugaad'

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

Management Team

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