Owner

JuliaData

37 indexed repositories · View on GitHub

DataFrames.jl
In-memory tabular data in Julia

Julia · 1834 stars
JuliaDB.jl
Parallel analytical database in pure Julia

Julia · 763 stars
CSV.jl
Utility library for working with CSV and other delimited files in the Julia programming language

Julia · 506 stars
DataFramesMeta.jl
Metaprogramming tools for DataFrames

Julia · 496 stars
Tables.jl
An interface for tables in Julia

Julia · 320 stars
SplitApplyCombine.jl
Split-apply-combine strategies for Julia

Julia · 154 stars
TypedTables.jl
Simple, fast, column-based storage for data analysis in Julia

Julia · 152 stars
YAML.jl
Parse yer YAMLs

Julia · 141 stars
CategoricalArrays.jl
Arrays for working with categorical data (both nominal and ordinal)

Julia · 136 stars
IndexedTables.jl
Flexible tables with ordered indices

Julia · 121 stars
Parsers.jl
fast parsing machinery for basic types in Julia

Julia · 118 stars
Feather.jl
Read and write Feather v1 (old) files in pure Julia

Julia · 106 stars
XML.jl
Read and write XML in pure Julia

Julia · 101 stars
InvertedIndices.jl
A simple index type that allows for inverted selections

Julia · 90 stars
StructTypes.jl
Abstract definitions and convenience methods for describing, processing, and constructing Julia objects

Julia · 86 stars
Missings.jl
Missing value support for Julia

Julia · 76 stars
JSONTables.jl
JSON3.jl + Tables.jl

Julia · 71 stars
RData.jl
Read R data files from Julia

Julia · 63 stars
Strapping.jl
Tools for mapping between Julia structs and 2D tabular data.

Julia · 54 stars
PooledArrays.jl
A pooled representation for arrays with few unique elements

Julia · 49 stars
17 more repositories live on View on GitHub

Beginner friendly Everything

Open All

`DataFrame(rows)`/`Tables.columntable` can silently corrupt values on table construction Open

Difficulty 3/5 1-2 days Newbie friendliness 72/100

JuliaData/Tables.jl#387 · 1 comment · Opened Sep 6, 2026
§4.4 inclusion is internal-subset only, and the dense real-world case declares externally Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

JuliaData/XML.jl#137 · Opened Aug 31, 2026
Supply ATTLIST default attribute values per XML 1.0 §3.3.2 Open

Difficulty 5/5 Over a week Newbie friendliness 45/100

JuliaData/XML.jl#131 · Opened Aug 18, 2026
Return the lazy iterators to value semantics — zero-allocation traversal — at the next breaking release Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JuliaData/XML.jl#124 · Opened Aug 13, 2026
Fused scan-to-build core for the Node parse: inlined handler callbacks instead of the token iterator Open

enhancement

JuliaData/XML.jl#117 · 1 comment · 1 assignee · Opened Aug 5, 2026
Per-document string interning in the Node build: tag names, attribute names, formatting blanks Open

enhancement

JuliaData/XML.jl#116 · 1 comment · 1 assignee · Opened Aug 5, 2026
Way to use `renamecols = false` from DataFrames.jl? Open

Difficulty 4/5 3-5 days Newbie friendliness 52/100

JuliaData/DataFramesMeta.jl#428 · Opened Jul 31, 2026
Update datastructures to include 2? Open

Difficulty 2/5 1-3 hours Newbie friendliness 58/100

JuliaData/DataFrames.jl#3541 · Opened Jul 25, 2026
xpath: LazyNode support Open

enhancement

JuliaData/XML.jl#79 · 1 reaction · 1 assignee · Opened Jul 5, 2026
Finish Codecov coverage reporting after the JuliaData transfer Open

JuliaData/XML.jl#73 · 8 comments · 1 assignee · Opened Jun 21, 2026
Categorical Data documentation is missing data frame usage examples Open

question

Difficulty 1/5 1-3 hours Newbie friendliness 68/100

JuliaData/DataFrames.jl#3535 · 13 comments · Opened Jun 1, 2026
TagBot: Manual intervention needed for releases Open

tagbot-manual

Difficulty 1/5 Under an hour Newbie friendliness 55/100

JuliaData/WeakRefStrings.jl#98 · Opened Apr 23, 2026
[FR] XSD validation Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

JuliaData/XML.jl#57 · 1 reaction · Opened Apr 23, 2026
Not wrapping CartesianIndices incorrectly processed by to_indices Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

JuliaData/InvertedIndices.jl#46 · 2 comments · Opened Mar 30, 2026
Assign to multiple columns in `@transform` (and other applicables) Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

JuliaData/DataFramesMeta.jl#419 · Opened Feb 12, 2026
TagBot: Manual intervention needed for releases Open

tagbot-manual

Difficulty 1/5 Under an hour Newbie friendliness 45/100

JuliaData/DelimitedFiles.jl#37 · Opened Dec 22, 2025
Remains of transfer to JuliaData Open

JuliaData/ARFFFiles.jl#31 · 1 assignee · Opened Nov 17, 2025
Parse double precision exponent D Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

JuliaData/Parsers.jl#199 · Opened Nov 8, 2025
Have metadata printing be IO aware, metadata printing improvements in general Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

JuliaData/DataFramesMeta.jl#416 · Opened Nov 1, 2025
YAML fails to parse numbers with leading zeros: 08 Open

bug

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

JuliaData/YAML.jl#247 · Opened Oct 21, 2025
Import `columnnames` from Tables.jl to avoid namespace conflict Open

Difficulty 1/5 Under an hour Newbie friendliness 55/100

JuliaData/TypedTables.jl#120 · Opened Oct 10, 2025
Missing 1.10 release Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

JuliaData/DelimitedFiles.jl#32 · 7 comments · Opened Aug 27, 2025
Keywords to ignore leading and trailing delimiters Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JuliaData/CSV.jl#1162 · 2 comments · Opened Jul 21, 2025
Dataframe Dimensions with Comma- Thousand Separator Open

display

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

JuliaData/DataFrames.jl#3499 · 3 comments · Opened May 29, 2025
Recode does not maintain ordered type Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

JuliaData/CategoricalArrays.jl#421 · 1 comment · Opened May 12, 2025
Feature Request: Comprehensive Cheatsheet for DataFramesMeta.jl Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

JuliaData/DataFramesMeta.jl#407 · 1 comment · Opened Apr 23, 2025
Make Unitful a weak dependency to improve load time Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

JuliaData/TableMetadataTools.jl#4 · 1 reaction · Opened Apr 22, 2025
Confused about how to use Flatbuffers with Julia Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

JuliaData/FlatBuffers.jl#75 · 2 comments · Opened Apr 17, 2025
Allow parsing and writing of comments Open

API enhancement parser

Difficulty 5/5 Over a week Newbie friendliness 35/100

JuliaData/YAML.jl#245 · 2 reactions · Opened Apr 9, 2025
Allow compact representation of list Open

enhancement parser

Difficulty 3/5 1-2 days Newbie friendliness 45/100

JuliaData/YAML.jl#244 · 4 reactions · Opened Apr 1, 2025
Creating a DataFrame from Dicts can lead to missing columns in the DataFrame or an error depending on the order of the data Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

JuliaData/Tables.jl#367 · 1 comment · Opened Mar 29, 2025
Creating DataFrames from Dicts does not work as Expected Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JuliaData/DataFrames.jl#3495 · 8 comments · Opened Mar 28, 2025
Occasional `ConcurrencyViolationError` on Julia v1.12 Open

ecosystem

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JuliaData/DataFrames.jl#3494 · 3 comments · Opened Mar 22, 2025
DataFrame-output in Jupyter as LaTeX breaks PDF-rendering via Typst Open

display

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JuliaData/DataFrames.jl#3493 · 1 reaction · Opened Mar 21, 2025
columns with Int starting with padded zero detected as Int Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

JuliaData/CSV.jl#1156 · Opened Mar 3, 2025
[feature request] add option to add a rownumber column Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

JuliaData/CSV.jl#1155 · Opened Feb 21, 2025
Add `Before` for column selection Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JuliaData/DataFrames.jl#3491 · Opened Feb 19, 2025
transform(df, :symbolname => AsTable) will not work for JSON data Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

JuliaData/DataFrames.jl#3490 · 12 comments · Opened Feb 18, 2025
Problem in converting FITS file tables to DataFrames Open

bug ecosystem

Difficulty 4/5 3-5 days Newbie friendliness 30/100

JuliaData/DataFrames.jl#3489 · 4 comments · Opened Feb 14, 2025
Magic File identifier "TZjf" not found error Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JuliaData/RData.jl#101 · Opened Jan 23, 2025
avoid quotes for write to yaml file Open

API question

Difficulty 2/5 1-3 hours Newbie friendliness 38/100

JuliaData/YAML.jl#242 · Opened Jan 18, 2025
Stack overflow when compiling sysimage Open

bug ecosystem

Difficulty 4/5 3-5 days Newbie friendliness 25/100

JuliaData/DataFrames.jl#3484 · 6 comments · Opened Jan 3, 2025
`map!(f,dest::ChainedVector,src::AbstractArray)` doesn't work for shorter `src` Open

Difficulty 2/5 1-3 hours Newbie friendliness 52/100

JuliaData/SentinelArrays.jl#115 · Opened Dec 23, 2024
`replace[!]()` with `count` is broken Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

JuliaData/SentinelArrays.jl#112 · 1 comment · Opened Dec 21, 2024
Non-US number formats: `delim = ','` is not handled well Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

JuliaData/CSV.jl#1150 · 3 comments · Opened Dec 17, 2024
Comment on performance of objecttable and arraytable Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

JuliaData/JSONTables.jl#25 · Opened Dec 3, 2024
Feature Request: Automatic saving of metadata with arrow files Open

ecosystem

Difficulty 4/5 3-5 days Newbie friendliness 35/100

JuliaData/DataFrames.jl#3480 · 2 comments · Opened Nov 28, 2024
Wishlist : import percent or currency formatted data Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

JuliaData/CSV.jl#1147 · Opened Nov 24, 2024
SQL interface to DataFrame? Open

feature

Difficulty 5/5 Over a week Newbie friendliness 25/100

JuliaData/DataFrames.jl#3479 · 2 comments · Opened Nov 22, 2024
Incorrect parsing of newlines within single quotes Open

bug parser

Difficulty 3/5 1-2 days Newbie friendliness 35/100

JuliaData/YAML.jl#241 · 1 comment · Opened Nov 14, 2024

Showing the newest 100

This page lists what was indexed most recently. Advanced filter has the whole inventory, narrowed by language, difficulty and how long a task takes.

Open advanced filter

JuliaData

Showing the newest 100

Get new issues in your inbox