WOPIAN

Support my open‑source work

If you use or enjoy my projects, sponsoring helps cover development, hosting and maintenance — enabling new features, fixes and long‑term upkeep. Every contribution helps.
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Active DevelopmentApr 29, 20251 year 3 months

ZeepCentraal Backend

Backend integration for ZeepCentraal and GTR with a public GraphQL API
Active DevelopmentFeb 9, 20251 year 6 months

ZeepCentraal

Everything Zeepkist in one place: records, leaderboards, stats, tournaments, player profiles, community levels, mods and Track of the Day.
Active DevelopmentApr 13, 20233 years 4 months

GTR

Zeepkist mod to record and submit your times to ZeepCentraal. Enables players to see World Record ghosts in Free Play and Personal Best/World Record tracking Online.
Jan 8, 2023 – Oct 22, 20241 year 9 months

Zeepkist Records

Original ZeepCentraal web app for tracking Zeepkist records, player profiles and level leaderboards.
Long-term SupportJul 28, 20206 years

Smooth Corners

An open-source library for rendering superellipse (squircle) shapes in web applications using the CSS Houdini API.
Jul 12, 2020 – Aug 7, 20255 years

Preferred Locale

An open-source library for obtaining the user's preferred locale against a list of supported locales provided by the application. Used in Kitsu.app and 40 other apps for locale negotiation.
Long-term SupportJun 11, 20179 years 2 months

Kitsu Season Trends

Daily-updated anime season trends since Autumn 2017, sourced from Kitsu and published as an open-source dataset, tracking popularity, ratings and engagement. Until 2025, this data was also served via a React web app.
Long-term SupportApr 28, 20179 years 3 months

Kitsu

A JavaScript JSON:API client tailored for Kitsu.io, framework-agnostic and easy to use with any JSON:API compliant API.
Long-term SupportDec 28, 20169 years 7 months

AGC Assembly

A Visual Studio Code extension providing syntax highlighting for AGC, AGS, Argus Honeywell 800 and AGC Binsource assembly languages.
Long-term SupportJul 13, 201610 years 1 month

Apollo 11 Archive

Core maintainer of the Apollo 11 archive project, preserving and sharing the source code of the Apollo 11 Guidance Computer (AGC) and used in the historic 1969 moon landing.
Long-term SupportJan 21, 201610 years 6 months

Material Slack Themes

A collection of Material Design inspired Slack themes for dark and light mode.
Jul 1, 2013 – Jun 30, 20218 years

Kitsu.app

An open-source web app for managing and tracking your anime and manga collection.