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 19 May 2026 - Fri 22 May 2026

distance Barcelona, Spain

FESPA 2026

Are you developing workflow software, Web2Print platforms, automation tools, or production systems for print? If you’re looking for powerful PDF technology to integrate into your solution via APIs, CLI tools, or embedded OEM technology callas software can help power your workflows. callas technologies behind “pdfToolbox” and “pdfChip” are trusted by our OEM partners worldwide to automate PDF processing and integrate seamlessly into modern production environments. Let’s talk workflows, integrations, and OEM partnerships at FESPA Barcelona at the callas software booth (Hall 3, B120).

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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