* [Papa Parse 5.7.0](https://github.com/mholt/PapaParse) – Fast in-browser CSV (delimited text) parser for JavaScript, focused on correctness, large-file streaming, and reliable handling of malformed input.

* [Comma v5.0.0](https://github.com/comma-csv/comma) – DSL-based CSV generator for Ruby objects such as ActiveRecord and arrays.

* [hucre v1.1.0](https://github.com/productdevbook/hucre) – Zero-dependency TypeScript spreadsheet engine supporting read/write of XLSX, CSV, and ODS with streaming, schema validation, and round-trip preservation.

* [filesql v0.49.0](https://github.com/nao1215/filesql) – SQL driver exposing CSV, TSV, LTSV, Parquet, and XLSX files as SQLite3-accessible tables with compression support.

* [sqly v1.2.0](https://github.com/nao1215/sqly) – Command-line tool that executes SQL against CSV, TSV, JSON, Parquet, Excel, ACH, and Fedwire files via an in-memory SQLite database.

* [json-2-csv 5.6.0](https://github.com/mrodrig/json-2-csv) – Convert between JSON and CSV formats seamlessly.

* [DBCrust v0.37.0](https://github.com/clement-tourriere/dbcrust) – Fast psql-style terminal workbench offering a unified workflow for multiple databases and local files, with optional AI, scripting, and Django/Python support.

* [Mapshaper v0.7.55](https://github.com/mbloch/mapshaper) – Software for editing Shapefile, GeoJSON, TopoJSON, CSV, and other data formats.

* [loaders.gl v4.4.5](https://github.com/visgl/loaders.gl) – Framework-independent loaders for geospatial, 3D, and big data visualization.

* [CSVI v1.23.3](https://github.com/hymkor/csvi) – Terminal-based CSV editor preserving original formatting and enabling vi/Emacs-style navigation and edits.

* [Thoth v0.4.7](https://github.com/anitnilay20/thoth) – High-performance desktop application for viewing and exploring JSON and NDJSON files with lazy loading, search, tree navigation, and multi-window comparison.