Years active
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Over two decades of open-source development for mass spectrometry workflows.
Open Science. Clear Results for Mass Spectrometry
Expert-crafted ecosystem of computational mass spectrometry tools. Run scientifically vetted, cutting edge apps. Build custom tools on top of robust open-source algorithms. Join the OpenMS community.
- Ready-to-use-apps
- Modular workflows
- Built by the community
Citations
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Peer-reviewed research citing OpenMS tools and algorithms worldwide.
Community
Trusted and used by scientists worldwide.
Community tools
Featured Apps
Apps are scientifically validated end-to-end solutions for common proteomics and metabolomics analysis. Test online, then download and deploy locally.
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Web-based analysis and visualization of top-down proteomics data
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Interactive DIA proteomics data analysis
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Web-based access to the umetaflow pipeline
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Web-based workflow for DDA proteomics
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Web-based access to the nucleic acid search engine (NASE)
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Web-based analysis pipeline for XL-MS data
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Web-based analysis pipeline for immunopeptidomics
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Trusted and used by scientists worldwide.
Ecosystem
Build your own pipelines using our ecosystem
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OpenMS-lib
C++ libraryReusable C++ algorithms and data structures for mass spectrometry software. Ships with The OpenMS Pipeline (TOPP) command line tools for mass spectrometry analysis.
Learn more
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pyOpenMS
PythonPython bindings to OpenMS-lib. Write custom analysis scripts and integrate OpenMS into Python workflows.
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OpenMS-Web apps
Web appsWeb interface template for OpenMS pipelines. Deploy custom analysis tools as interactive web apps without frontend development.
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pyopenms_viz
VisualizationVisualization library for mass spectrometry data. Create interactive and static plots directly from Python dataframes.
Community
Everyone is welcome
OpenMS is built by a diverse group of contributors around the world. Whether you are new to mass spectrometry or a seasoned developer, there is a place for you in our community.
We are committed to being open, inclusive, and welcoming — read the Code of Conduct for how we work together.
Latest news
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Workshop at University of Helsinki on April 30th 2026.
We are teaching a one-day workshop on MS analysis with OpenMS and OpenDIAKiosk at the University of Helsinki on April 30th 2026. Click the header above for more …
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2026 Recipient Announced: Rising Star in Computational Mass Spectrometry
OpenMS announces Maria Llambrich Rodriguez as the 2026 Rising Star in Computational Mass Spectrometry recipient.
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Google Summer of Code 2026
The OpenMS team applies as an organization for GSoC 2026 and invites the computational mass spectrometry community to join us in this effort.
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OpenMS/CIBI workshops in South Africa from 9 until 20 February 2026.
We are teaching four two-day workshops in February 2026 in South Africa! Click the header above for more information.
Upcoming events
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Students collaborate with mentors on OpenMS features, documentation, and tool integrations.
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OpenMS Autumn Workshop
Hands-on training on proteomics and metabolomics workflows with OpenMS and TOPP tools.
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OpenMS Developer Meeting 2027
Annual developer meeting with tutorials, talks, and code sprints.
Contact
Take control of your mass spec workflows today
Tell us about your pipeline, integrations, or tooling goals — we will point you to the fastest next step.
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Send a message
Use the contact form for workflows, integrations, and support questions.
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Email the team
Reach us directly at webmaster@openms.de for quick questions or routing help.
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Read the docs
Installation guides, tutorials, and workflow documentation on Read the Docs.
Open docs