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openPMD/openPMD-api

:floppy_disk: C++ & Python API for Scientific I/O

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 (160 stars)
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 (57 forks)
Indexed issues
 (44 indexed issues)
open beginner issues
 (0 open beginner issues)
Latest indexed
Aug 1, 2026
Last GitHub push
Jul 31, 2026
License
GNU Lesser General Public License v3.0
Contributing guide
Contributing guide
Code of conduct
Code of conduct
Dominant language
C++
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Issues

44 indexed issues

Open
`Dataset`: ArrayInterface Overload
feature requestfrontend: Python3good first issue
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelRepository active this monthContributing guide available

openPMD / openPMD-api · #1831 · Jan 13, 2026 · C++ · 160 stars

2 comments0 reactions0 assignees
Open
Query backend versions
backenddiscussionfeature requestfrontend: C++17frontend: Python3help wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelRepository active this monthContributing guide available

openPMD / openPMD-api · #1563 · Dec 1, 2023 · C++ · 160 stars

1 comment0 reactions0 assignees
Open
MPI-I/O Hints
MPIbackend: HDF5help wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelRepository active this monthContributing guide available

openPMD / openPMD-api · #1449 · May 23, 2023 · C++ · 160 stars

1 comment0 reactions0 assignees
Open
Roadmap: Wishlist of new features
api: newdiscussionfeature requesthelp wanted
Why recommendedNo assignee yet · No comments yet
No assignee yetNo comments yetHas a beginner-friendly labelRepository active this monthContributing guide available

openPMD / openPMD-api · #1332 · Nov 15, 2022 · C++ · 160 stars

0 comments2 reactions0 assignees
Open
Bind to Conduit Blueprints
frontend: C++17help wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelRepository active this monthContributing guide available

openPMD / openPMD-api · #1330 · Nov 13, 2022 · C++ · 160 stars

2 comments0 reactions0 assignees
Open
docstrings in python version / Python documentation
feature requestfrontend: Python3help wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelRepository active this monthContributing guide available

openPMD / openPMD-api · #1328 · Nov 11, 2022 · C++ · 160 stars

4 comments2 reactions0 assignees
Open
Streaming: Histogramming of Particle Data
help wantedtools
Why recommendedNo comments yet · Has a beginner-friendly label
No comments yetHas a beginner-friendly labelRepository active this monthContributing guide available

openPMD / openPMD-api · #1248 · Apr 19, 2022 · C++ · 160 stars

0 comments3 reactions1 assignee
Open
Examples: plotly express & holoviews
documentationgood first issuehelp wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelRepository active this monthContributing guide available

openPMD / openPMD-api · #1182 · Jan 24, 2022 · C++ · 160 stars

5 comments1 reaction0 assignees
Open
Update to examples
feature requesthelp wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelRepository active this monthContributing guide available

openPMD / openPMD-api · #1112 · Sep 21, 2021 · C++ · 160 stars

1 comment2 reactions0 assignees
Open
openpmd-pipe -v|--version
feature requestgood first issuetools
Why recommendedNo assignee yet · No comments yet
No assignee yetNo comments yetHas a beginner-friendly labelRepository active this monthContributing guide available

openPMD / openPMD-api · #1082 · Aug 6, 2021 · C++ · 160 stars

0 comments0 reactions0 assignees
Open
loadChunk: zero extent
affects latest releasebugfrontend: C++17frontend: Python3good first issue
Why recommendedNo assignee yet · No comments yet
No assignee yetNo comments yetHas a beginner-friendly labelRepository active this monthContributing guide available

openPMD / openPMD-api · #957 · Apr 6, 2021 · C++ · 160 stars

0 comments0 reactions0 assignees
Open
More Transform/Compression Examples
documentationfrontend: C++17help wanted
Why recommendedHas a beginner-friendly label · Repository active this month
Has a beginner-friendly labelRepository active this monthContributing guide available

openPMD / openPMD-api · #782 · Sep 19, 2020 · C++ · 160 stars

1 comment0 reactions3 assignees
Open
Patches Load: Exception Handling
affects latest releasebugfrontend: Python3good first issuehelp wanted
Why recommendedNo assignee yet · No comments yet
No assignee yetNo comments yetHas a beginner-friendly labelRepository active this monthContributing guide available

openPMD / openPMD-api · #750 · Jun 5, 2020 · C++ · 160 stars

0 comments0 reactions0 assignees
Open
Filesystem: Consider mpifileutils?
MPIfeature requestgood first issuehelp wantedinternalrefactoring
Why recommendedNo assignee yet · No comments yet
No assignee yetNo comments yetHas a beginner-friendly labelRepository active this monthContributing guide available

openPMD / openPMD-api · #687 · Feb 18, 2020 · C++ · 160 stars

0 comments0 reactions0 assignees
Open
Particle Species: loadPositions
api: newfeature requestfrontend: C++17frontend: Python3good first issuehelp wanted
Why recommendedNo assignee yet · No comments yet
No assignee yetNo comments yetHas a beginner-friendly labelRepository active this monthContributing guide available

openPMD / openPMD-api · #666 · Jan 24, 2020 · C++ · 160 stars

0 comments0 reactions0 assignees
Open
Relaxed mode: warn and ignore invalid?
feature requestgood first issuehelp wantedinternal
Why recommendedNo assignee yet · No comments yet
No assignee yetNo comments yetHas a beginner-friendly labelRepository active this monthContributing guide available

openPMD / openPMD-api · #620 · Dec 2, 2019 · C++ · 160 stars

0 comments0 reactions0 assignees
Open
Log: Pseudo-Backend C/C++ Code
backendfeature requestgood first issuehelp wantedinternal
Why recommendedNo assignee yet · No comments yet
No assignee yetNo comments yetHas a beginner-friendly labelRepository active this monthContributing guide available

openPMD / openPMD-api · #567 · Oct 4, 2019 · C++ · 160 stars

0 comments0 reactions0 assignees
Open
ADIOS1 Destructors Must Not Throw
backend: ADIOS1buggood first issuehelp wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelRepository active this monthContributing guide available

openPMD / openPMD-api · #550 · Aug 18, 2019 · C++ · 160 stars

2 comments0 reactions0 assignees