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Eric Hare

Projects

Selected work across a decade.

Some of these shipped. Some of these were papers. A couple of them were R packages that eventually got archived on CRAN. All of them taught me something.

Featured

Langflow

2024 — Present · Core maintainer

The open-source, visual framework for building AI agents. 147k+ stars. I'm a core maintainer.

PythonFastAPIReactLangChainMCPDockerPostgreSQL

Astra DB Data API

Dec 2022 — Present · DataStax → IBM · Software Engineer

The HTTP/JSON API in front of Astra DB — the data plane behind Langflow, astrapy, and the portal's ingestion stack.

PythonJavaFastAPIKubernetesAstra DB

Docling

2025 — Present · Contributor / Integrator

IBM's open-source toolkit for advanced document parsing — PDFs, DOCX, slides, scans, the whole menagerie. I wired it into Langflow.

PythonPyTorchLangflow

Automated Bullet Matching

2013 — Present · Author

Statistical methods and 3D scan processing for matching spent bullets to the gun that fired them.

RC++OpenCV3D scanning

discreteRV

2013 — 2024 · Co-author

An R package for teaching and manipulating discrete random variables — closer to the notation you'd write on a blackboard.

R

intRo

2014 — 2016 · Co-author

Statistical analysis software for teaching — a Shiny app for students who want to do stats without writing R first.

RShinyJavaScript

Daisi: Python Cloud Functions

May 2021 — Dec 2022 · Senior Data Scientist

Serverless Python ('daisies') for scientific computing — YOLO, Prophet, sentiment, dimensionality reduction, all callable with one line.

PythonJuliaRFastAPIDocker

Omni Analytics & OmniacsDAO

May 2017 — May 2021 · Chief Data Scientist

Statistical consulting, Shiny apps, and an open-source data-science toolkit for DeFi, crypto, and tournament prediction.

RShinyPython

CUGA Agent

2025 — Present · Occasional contributor

IBM Research's open-source generalist agent harness for the enterprise. Occasional contributor.

PythonLangChainLangGraph