rootSunc / CNEquity
中国 A 股数据基础设施。55个日更数据集：股票行情、基本面、期货数据、资金面、公告事件、指数行业、宏观与风险。行级溯源、PIT 语义、复权与历史成分内置，MCP 原生。自托管，零注册、零 API Token
rootSunc / CNEquity
questdb / questdb
QuestDB is a high performance, open-source, time-series database
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..
geopandas / geopandas
Python tools for geographic data
parseablehq / parseable
Parseable is an open source, unified infrastructure observability platform built in Rust on a data lake architecture. It tracks logs, metrics, traces, and events across apps, agents, and systems, reducing storage costs by up to 90% through columnar telemetry compression.
julien040 / anyquery
One SQL interface for 60+ tools (e.g., GitHub, Notion, Airtable). Plug into any LLM through MCP.
datazip-inc / olake
OLake - Fastest Databases, Kafka & S3 Replication to Apache Iceberg with Table optimization (Called OLake Fusion). ⚡ Efficient, quick and scalable data ingestion for real-time analytics. Supported sources : Postgres, MongoDB, MySQL, Oracle, MSSql, DB2, Kafka, S3.
polarsignals / frostdb
❄️ Coolest database around 🧊 Embeddable column database written in Go.
mukunku / ParquetViewer
Simple Windows desktop application for viewing & querying Apache Parquet files
parquet-go / parquet-go
High-performance Go package to read and write Parquet files
caioricciuti / duck-ui
The fully open-source DuckDB workbench that runs in your browser. SQL editor, notebooks, charts, AI assistant. No install, no signup, no backend — your data never leaves the tab.
parqdb-io / parqdb
Billion-scale embedded vector database built entirely on Parquet and Arrow.
apache / arrow
Apache Arrow is the universal columnar format and multi-language toolbox for fast data interchange and in-memory analytics
Eventual-Inc / Daft
High-performance data engine for AI and multimodal workloads. Process images, audio, video, and structured data at any scale
aws / aws-sdk-pandas
pandas on AWS - Easy integration with Athena, Glue, Redshift, Timestream, Neptune, OpenSearch, QuickSight, Chime, CloudWatchLogs, DynamoDB, EMR, SecretManager, PostgreSQL, MySQL, SQLServer and S3 (Parquet, CSV, JSON and EXCEL).
opengeos / leafmap
A Python package for interactive mapping and geospatial analysis with minimal coding in a Jupyter environment
apache / arrow-rs
Official Rust implementation of Apache Arrow
lakehq / sail
Drop-in Apache Spark replacement written in Rust, unifying batch processing, stream processing, and compute-intensive AI workloads.
shshemi / tabiew
A lightweight TUI application to view and query tabular data files, such as CSV, TSV, and parquet.
apache / parquet-java
Apache Parquet Java
rilldata / rill
The fastest business intelligence tool for humans and agents.
apache / parquet-format
Apache Parquet Format
apache / drill
Apache Drill is a distributed MPP query layer for self describing data
munich-data-engineering / reflect-cpp
A C++20 library for fast serialization, deserialization and validation using reflection. Supports JSON, Avro, Boost Serialization, BSON, Cap'n Proto, CBOR, Cereal, Command line interfaces, CSV, Environment variables, flexbuffers, msgpack, parquet, TOML, UBJSON, XML, YAML, yas / msgpack.org[C++20]
paradigmxyz / cryo
cryo is the easiest way to extract blockchain data to parquet, csv, json, or python dataframes
quiltdata / quilt
Quilt is a Scientific Data Management Platform on AWS that helps teams and AI find, trust, and reuse data through deeply versioned, context-rich data packages.
OvertureMaps / data
Overture Maps Data
ClickHouse / ClickBench
ClickBench: a Benchmark For Analytical Databases
opengeospatial / geoparquet
Specification for storing geospatial vector data (point, line, polygon) in Parquet
developmentseed / lonboard
Fast, interactive geospatial data visualization in Jupyter.
hyparam / hyparquet
parquet file parser for javascript
ipea / geobr
Easy access to official spatial data sets of Brazil in R and Python
visgl / loaders.gl
Loaders for big data visualization. Website:
CrunchyData / pg_parquet
Copy to/from Parquet in S3, Azure Blob Storage, Google Cloud Storage, http(s) stores, local files or standard inout stream from within PostgreSQL
Basekick-Labs / arc
Open, SQL-native time-series database for telemetry you need to keep. 38M+ records/sec ingestion, 25M+ rows/sec queries. InfluxDB Line Protocol and Telegraf compatible. Open Parquet on your storage. Single binary. S3/Azure native. Air-gap ready. AGPL-3.0.
kylebarron / parquet-wasm
Rust-based WebAssembly bindings to read and write Apache Parquet data
rpbouman / huey
Browser-based data analytics & BI with DuckDB-WASM. Privacy-first: your data stays local; no server required.
l1xnan / duckling
A fast viewer for CSV/Parquet files and databases such as DuckDB, SQLite, PostgreSQL, MySQL, Clickhouse, etc., base on Tauri
turbot / tailpipe
select * from logs; Tailpipe is an open source SIEM for instant log insights, powered by DuckDB. Analyze millions of events in seconds, right from your terminal.
Hebbian-Robotics / hflow
SDK for robotics teams to verify the quality of their data used for AI model training.
sosoj92 / arbre-local
Moteur de recherche généalogique sur les 29 millions de décès français. La recherche s'exécute entièrement dans le navigateur : aucun nom saisi n'est envoyé à un serveur. Tutoriel complet — DuckDB, Parquet, WebAssembly.
autumoswitzerland / Webduck
A self-hosted DuckDB-as-a-Service server with REST API and Web UI.
cfahlgren1 / parquet-xray
See how a Parquet file is laid out, byte by byte
taylor-geospatial / s2-stac-geoparquet
Portolan Catalog with a STAC-GeoParquet dataset of all Sentinel-2 captures, via AWS Earth Search API
Koukyosyumei / h5i-db
An agent-native workspace for quantitative research: an in-terminal notebook, a high-performance time-series database, and a high-throughput backtesting engine. Written in Rust.
tobilg / neoserver
Multi-workspace geospatial server in Go: OGC API - Features and Tiles, WMS 1.3, WFS 2.0, WCS 2.0.1/2.1 and WMTS 1.0 for PostGIS, DuckDB, GeoParquet, vector files and GeoTIFF/COG
julik / herringbone
A (slightly unhinged) pure-Ruby Parquet file reader/writer
nisshi-io / nisshi
Apache Kafka® compatible broker with S3, PostgreSQL, SQLite, Apache Iceberg and Delta Lake
Cinchoo / ChoETL
ETL framework for .NET (Parser / Writer for CSV, Flat, Xml, JSON, Key-Value, Parquet, Yaml, Avro formatted files)