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Apache Arrow is the universal columnar format and multi-language toolbox for fast data interchange and in-memory analytics

  • arrow
  • parquet

One Postgres for your application data, full-text search, vector retrieval, and aggregations. Home of the pg_search extension.

Unix pager (with very rich functionality) designed for work with tables. Designed for PostgreSQL, but MySQL is supported too. Works well with pgcli too. Can be used as CSV or TSV viewer too. It supports searching, selecting rows, columns, or block and export selected area to clipboard.

xlsx generation with charts, images, automated column width, customizable styles and full schema validation. Axlsx excels at helping you generate beautiful Office Open XML Spreadsheet documents without having to understand the entire ECMA specification. Check out the README for some examples of how easy it is. Best of all, you can validate your xlsx file before serialization so you know for sure that anything generated is going to load on your client's machine.

Columnar storage extension for Postgres built as a foreign data wrapper. Check out https://github.com/citusdata/citus for a modernized columnar storage implementation built as a table access method.

  • postgresql
  • compression
  • columnar-store
  • columnar-storage

lol_dba is a small package of rake tasks that scan your application models and displays a list of columns that probably should be indexed. Also, it can generate .sql migration scripts.

High-performance, columnar, in-memory store with bitmap indexing in Go

  • db
  • soa
  • indexing
  • bitmap

Reorderable table, row, column, wrap, and sliver list that allow drag and drop of the children. https://pub.dartlang.org/packages/reorderables

PlutoGrid is a dataGrid for flutter that can be controlled by the keyboard on desktop and web. Of course, it works well on Android and IOS.

xlsx generation with charts, images, automated column width, customizable styles and full schema validation. Axlsx excels at helping you generate beautiful Office Open XML Spreadsheet documents without having to understand the entire ECMA specification. Check out the README for some examples of how easy it is. Best of all, you can validate your xlsx file before serialization so you know for sure that anything generated is going to load on your client's machine.

  • ruby
  • ruby-gem
  • excel-export
  • excelwriter

An open-source columnar data format designed for fast & realtime analytic with big data.

  • indexr
  • columnar-storage
  • olap
  • datawarehouse

An experimental embedded SQL engine in C++20. Query Parquet, CSV, JSON, Arrow, Avro, SQLite, and Excel files directly with SQL, in-process. Early-stage.

Plain text table generator for Ruby, with a DRY, column-based API

  • ruby
  • ascii-table
  • terminal-table
  • tty-table