hroptatyr

dateutils

nifty command line date and time utilities; fast date calculations and conversion in the shell

yuck

Your Umbrella Command Kit, a bog-standard command line option parser for C with all the knickknackery and whatnots.

clob

Simple limit order book and matching engine.

sample

Produce a sample of lines from files.

echse

A cron daemon on RFC 5545 (ical) files.

cattle

corporate action tools, e.g. to forward/backward adjust timeseries on the command line

clitoris

command-line interface testing on regular input syntax

finner

financial NER, like apache-opennlp but actually working

truffle

a tool to roll over futures contracts

numchk

Like file(1) but for numbers

books

Handling limit order books.

coins

Tick data snarfers and converters for various bitcoin exchanges.

libttl

no-frills turtle/trig/ntriples/nquads parser library

sex

simulating executions

dtcl

data.table on the command-line

hroptatyr.github.io

my github page

rdfsnips

Some useful tools to process (turtle) RDF files

ttt

tick-by-tick trading tools

aeiou

ASCII Everywhere, transliteration from UTF-8

data.table

R's data.table package extends data.frame:

dfp754

IEEE 754-2008 decimal floats I/O helpers

edges

R code to convert edges to levels and vice versa

gleis

snippets to process LEI files

iso10383

Rdateutils

eventually a port of dateutils to R

Sports-Ontology

A vocabulary in the semantic web for describing sports competitions and the results.

suxt

Some useful XML titbits

tempo

a lightweight ontology for describing temporal validity and efficacy

tzutils

Gimmicks to work on IANA zoneinfo source files directly

w3id.org

Website source code for w3id.org.