Software Engineer focused on PostgreSQL performance and pragmatic modernization.
The most comprehensive open-source collection of long-run financial and economic data. 27 sources, 1,100+ files, ~240 countries, 1 CE-2026. Exchange rates, gold, silver, interest rates, commodity prices, GDP, sovereign debt, and more.
Convert Zim Wiki notebooks to Obsidian-ready Markdown (with optional YAML frontmatter) while preserving attachments and internal links
Personal Website & Blog Theme for Hugo
Incremental legacy modernization for teams who value stability.
Source for andreploeger.com — freelance website focused on PostgreSQL performance, query analysis, and predictable system behavior.
A Go-based microservice for converting HTML to PDF via HTTP API. Supports CSS, images, and Unicode.
Knowledge base for The Weekly Challenge club members.
This is mySociety's popular map-based reporting platform: easy to install in new countries and regions
Interactive growth maps for rows of trees. CSV in; single HTML out.
A small, self-hosted toolbox of practical calculators for freelancers - simple UI, transparent assumptions, works as static GitHub Pages.
Convert FastNotepad exports into Obsidian-ready Markdown files (export parsing, frontmatter, tags, categories, dry-run)
Recursively count LOC in Perl (.pl/.pm) while ignoring blank lines, comment-only lines, POD, and everything after END/DATA.
Tiny CGI form mailer: accept JSON form posts and deliver via SMTP. CORS allow-list, honeypot, min fill time, IP rate limit.