Open-source tools for finance research and data workflows. Julia packages and some CLI tools — mostly ideas from my academic work.
| Package |
Description |
| FinanceRoutines.jl |
Import CRSP, Compustat, Fama-French factors, and GSW yield curves from WRDS or the web. Estimate betas with rolling windows. |
| wrds-download |
Terminal app (TUI + CLI) to browse and download WRDS PostgreSQL data. Parquet & CSV output, Duo 2FA. Pure Go, cross-platform. Vibe coded. |
| Package |
Description |
| BazerData.jl |
tabulate, xtile, winsorize, panel_fill, tlag/tlead — Stata-flavored data manipulation for DataFrames.jl. |
| TigerFetch.jl |
Download US Census TIGER/Line shapefiles. CLI and Julia interfaces for states, counties, water areas, and more. |
| Package |
Description |
| bbedit‑nickel |
Nickel language support for BBEdit: syntax highlighting for .ncl files and language server integration for completion, hover, and diagnostics. Installable BBEdit package. |
| bbtex |
Trying to parse LaTeX logs and use applescript to have a good LaTeX IDE in bbedit |
| dictate |
Local dictation for macOS: record from the terminal or a small menu-bar app, transcribe on the Neural Engine with WhisperKit, get Markdown back with a vocabulary prompt that spells names and jargon right. Swift, Command Line Tools only. Vibe coded. |
| dt‑cli‑tools |
View, filter, and diff tabular data files from the terminal. dtcat renders as markdown or CSV, dtfilter queries and sorts rows, dtdiff compares two files (positional or key-based, with float tolerance). CSV, TSV, Parquet, Arrow, JSON, NDJSON, Excel. Rust, no runtime deps. Supersedes xl-cli-tools and go-xldiff. Vibe coded. |
| esync |
Watch local files and rsync them to a remote on every change, with a live TUI. Auto-imports .gitignore, daemon mode, SSH keepalive. Pure Go. Vibe coded. |
| rex‑sessions‑alfred |
Alfred workflow to fuzzy-pick any Rex terminal tab, local or on remote hosts, with Rex's program icons and a Quick Look preview of each tab's screen. OCaml, Apple silicon. Vibe coded. |
| Package |
Description |
| BazerUtils.jl |
Configurable logger with per-level file output, module filtering, and multiple formats (pretty, log4j, syslog). |
| NickelEval |
Julia FFI bindings for the Nickel configuration language. Evaluate Nickel, convert types, export to JSON/TOML/YAML. Vibe coded. |
I usually have claude write a skill for my use case after I have it code a utility.
They are gathered at claude-skills
All Julia packages are available through the loulouJL registry:
using Pkg
Pkg.Registry.add(url="https://github.com/LouLouLibs/loulouJL")
Pkg.add("FinanceRoutines") # or any package above
