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lance-format/lance

Open Lakehouse Format for Multimodal AI. Convert from Parquet in 2 lines of code for 100x faster random access, vector index, and data versioning. Compatible with Pandas, DuckDB, Polars, Pyarrow, and PyTorch with more integrations coming..

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 (6,582 stars)
Forks
 (695 forks)
Indexed issues
 (59 indexed issues)
open beginner issues
 (38 open beginner issues)
Latest indexed
Aug 14, 2026
Last GitHub push
Jun 5, 2026
License
Apache License 2.0
Contributing guide
Contributing guide
Code of conduct
No code of conduct
Dominant language
Rust
PR merge metrics
 (Avg merge 6d 1h) (219 merged PRs in 30d)
Beginner labels
good first issuehelp wanted

Issues

59 indexed issues

Closed
Provide better guidance for users creating indices
A-pythondocumentationgood first issuehelp wanted
Why recommendedNo assignee yet · No comments yet
No assignee yetNo comments yetHas a beginner-friendly labelContributing guide available

lance-format / lance · #961 · Jun 10, 2023 · Rust · 6,582 stars

0 comments0 reactions0 assignees
Closed
IVF_SQ index
A-indexenhancementhelp wantedrust
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

lance-format / lance · #909 · May 26, 2023 · Rust · 6,582 stars

1 comment0 reactions0 assignees
Closed
Support `regexp_match` for `LargeUtf8`
A-pythongood first issuehelp wantedrust
Why recommendedNo assignee yet · No comments yet
No assignee yetNo comments yetHas a beginner-friendly labelContributing guide available

lance-format / lance · #904 · May 25, 2023 · Rust · 6,582 stars

0 comments0 reactions0 assignees
Closed
Allow issue vector search in batch mode
A-indexA-pythonenhancementgood first issuehelp wantedrust
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

lance-format / lance · #876 · May 17, 2023 · Rust · 6,582 stars

3 comments0 reactions0 assignees
Open
Make PyO3 functions as async function
A-pythonenhancementgood first issuerust
Why recommendedHas a beginner-friendly label · Contributing guide available
Has a beginner-friendly labelContributing guide available

lance-format / lance · #818 · May 1, 2023 · Rust · 6,582 stars

1 comment0 reactions1 assignee
Closed
Create pylance build for conda environment
A-pythoncigood first issuehelp wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

lance-format / lance · #636 · Feb 24, 2023 · Rust · 6,582 stars

6 comments0 reactions0 assignees
Closed
Support Arrow Tensor type
A-pythonarrowenhancementhelp wantedrust
Why recommendedHas a beginner-friendly label · Contributing guide available
Has a beginner-friendly labelContributing guide available

lance-format / lance · #108 · Aug 15, 2022 · Rust · 6,582 stars

3 comments0 reactions1 assignee