Here is a little overview of my software projects. Everything except Serendipity is self-made. Most of the projects are using C++17/20, PHP 8.1+ and JavaScript.

Besides open source software development, I'm cycling a lot, see spirit.surrim.org/about.

• surrim/j-image-magick
  Coming soon! Jekyll ImageMagick, image batch transformations and template-based output for Jekyll. Outperforms everything else in quality, speed and key features. I'm currently looking for testers to get some feedback
• surrim/vlc-delete (GH, GL)
  VLC extensision to delete videos from HDD
• surrim/npxm (GH, GL)
  Nginx, PHP, XDebug and MariaDB Docker image for web development
• surrim/hashsumplusplus (GH, GL)
  Fast hashsum calculator based on libgcrypt (GnuPG), written in C++
• surrim/sql-export (GH, GL)
  Simple index.php + config.inc.php for exporting a SQL query as CSV
• surrim/add-license (GH, GL)
  Bash script to add license headers to source code files
• surrim/dsplit (GH, GL)
  Tool to split files with a rolling hash algorithm, written in C

• surrim/base-converter (GH, GL)
  Encodes and decodes numbers in all possible number systems, including YouTube-IDs and self invented ones
• surrim/image-processor (GH, GL)
  Processes images with GD and/or ImageMagick
• surrim/css-lib (GH, GL)
  Library for creating CSS with PHP
• surrim/css-grid-config (GH, GL)
  Generates excellent CSS for grid layouts depending on custom breakpoints
• surrim/gpx-minifier (GH, GL)
  Removes GPX metadata, keeps only geodata without losing accuracy

• s9y/Serendipity (GH)
  Serendipity CMS for blogs, written in PHP
• s9y/additional_plugins (GH)
  Serendipity additional plugins (author of event_osm (OpenStreetMap) and event_geo_json (Geo-data export) plugins), using and updating it for my website since 2020

• surrim/osmod (GH, GL)
  Open Source Mod for The Moon Project and Lost Souls, written in EarthC
• surrim/moos21 (GH, GL)
  Chat client for EarthNet, written in C++

• surrim/fibonacciplusplus (GH, GL)
  Fast Fibonacci calculator (using GMP), written in C++
• surrim/fibonacci-js (GH, GL)
  Pure JavaScript implementation which uses fast matrix exponentiation and BigInts to calculate any Fibonacci number
• surrim/lla2xyz (GH, GL)
  Convert geodetic latitude, longitude and altitude to XYZ coordinates, written in HTML and JavaScript

• surrim/fibonacci-backups (GH, GL)
  Fibonacci-based "backups to keep" calculation, written in HTML and JavaScript
• surrim/rangemap (GH, GL)
  Data structure for handling frequency distributions.