Seamless OEM integration for advanced PDF solutions

callas technology integrates seamlessly into standalone apps and web environments, with flexible technical and commercial solutions. Direct access to developers ensures quick rollout and top-tier support.

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Microchip with a PDF file icon and the word 'EMBEDDED' on a blue circuit board with multiple connecting lines.

Embedded OEM technology

callas software spent 30 years developing the fastest, most flexible, and high-quality technology around PDF so you can integrate it in your solutions. Make your products more powerful while reducing time to market…

Meet the team

You’re using our technology, or you’re interested in doing so. Visit us at these events to meet the people behind the technology.

calendar_month Tue 03 Nov 2026 - Thu 05 Nov 2026

distance Bad Hersfeld, Germany

INKISH.FLOW 2026

Software is increasingly becoming the driving force behind modern print production. Thats what makes INKISH.FLOW such an interesting new event: it is dedicated entirely to software, automation, and robotics in the printing industry. If you are developing workflow software, production systems, Web2Print solutions, or other print applications, we would be happy to demonstrate how callas technologies can be integrated to add powerful PDF processing capabilities to your solution. You will find us throughout the event at Booth 4.

All upcoming events

About callas

callas software is based in Berlin, Germany. The company was founded in 1995 and, from the very start, focused on creating best-in-class solutions for PDF workflows. As a technology innovator, callas develops and markets PDF technology for print production, document exchange, archival, and accessibility.

More about us

The OEM team at callas software, experts in PDF technologies like pdfToolbox, pdfaPilot, and pdfChip

Explore your possibilities

Use cases

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What can our PDF technology do for you? What problems can it solve, and where does it offer the most value? The range of applications is broad.

Integration

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The callas technology is powerful, and very flexible in how it can be integrated in your solution. Everything from command-line calls, to an advanced REST API are available.

Pricing

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Establishing a healthy business relationship is as important as finding the right technology. We always manage to find the model that works for both of us.

Support

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When starting new projects, especially when integrating new technologies, a little help goes a long way. Documentation, movies, and personal assistance… we’ve got your back!

Let’s talk integration

Nothing works better than a personal conversation. callas treats every OEM as a strategic partner. We’re focused on making your technology better, so reach out and introduce yourself.

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