{"id":1976,"date":"2026-06-25T10:00:00","date_gmt":"2026-06-25T08:00:00","guid":{"rendered":"https:\/\/www.pcjv.de\/?p=1976"},"modified":"2026-07-24T17:20:22","modified_gmt":"2026-07-24T15:20:22","slug":"the-open-source-years","status":"publish","type":"post","link":"https:\/\/www.pcjv.de\/?p=1976","title":{"rendered":"The open source years"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Threading through every previous post in this series is one phrase: &#8220;taken from my open source project&#8221;. Time to give the open source work its own chapter \u2014 because for about a decade, most of what I wrote ended up public, first on SourceForge, later on GitHub.<\/p>\n\n\n\n<!--more-->\n\n\n\n<h2 class=\"wp-block-heading\">Delphi ASIO &amp; VST<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The mothership was the <a href=\"\/?page_id=1238\">Delphi ASIO &amp; VST Packages<\/a>, co-written initially with Tobybear: a DSP base component with optimized math routines, a VST host component (Tobybear&#8217;s well-known MiniHost was built around it), a battle-tested ASIO host component, and a VST plugin wizard with demos ranging from filters to synths. Electri-Q is probably the most famous thing built on it. Nearly all the plugins, SE modules and tools from the earlier posts were examples for this project \u2014 dozens of open source plugins, from 2-Band Distortion to a Chebyshev waveshaper, live on the <a href=\"\/?page_id=53\">Open Source pages<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Graphics32 and the 2D thread<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">As part of Team <a href=\"\/?page_id=1178\">Graphics32<\/a> I was mostly responsible for the 1.9.1 release \u2014 SSE2 optimizations, 64-bit support, better Lazarus\/OSX support \u2014 and reviewed a large part of the optimized blend code. Around it grew the GR32 PNG library, a seam carving implementation, and <a href=\"\/?page_id=1268\">AggPasMod<\/a>, my modernized Pascal port of Anti-Grain Geometry with assembler optimizations and cleaner code. <a href=\"\/?page_id=1274\">PascalType<\/a> added font-file parsing to that ecosystem.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">The long tail<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">My <a href=\"https:\/\/github.com\/CWBudde\" target=\"_blank\" rel=\"noopener\">GitHub account<\/a> holds the long tail of those years: contributions to <a href=\"https:\/\/github.com\/CWBudde\/DWScript\" target=\"_blank\" rel=\"noopener\">DWScript<\/a> and a <a href=\"https:\/\/github.com\/CWBudde\/DWScript-Language-Server\" target=\"_blank\" rel=\"noopener\">DWScript language server<\/a>, Pascal bindings for SFML, OpenCL and FFTW3, a differential evolution optimizer, a JSON-based web updater \u2014 and, amusingly, the most-starred repository of them all: the <a href=\"https:\/\/github.com\/CWBudde\/ComPort-Library\" target=\"_blank\" rel=\"noopener\">ComPort-Library<\/a>, a serial-port library for Delphi rescued from SourceForge, which quietly became infrastructure for other people&#8217;s projects.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Open source was never a side activity; it was the way I learned in public. The next posts jump to the present \u2014 where the same habit continues in a different language.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Threading through every previous post in this series is one phrase: &#8220;taken from my open source project&#8221;. Time to give the open source work its own chapter \u2014 because for about a decade, most of what I wrote ended up public, first on SourceForge, later on GitHub.<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[24,42],"tags":[],"class_list":["post-1976","post","type-post","status-publish","format-standard","hentry","category-delphi","category-retrospective"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>The open source years - Christian&#039;s private site<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.pcjv.de\/?p=1976\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Christian\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.pcjv.de\\\/?p=1976#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.pcjv.de\\\/?p=1976\"},\"author\":{\"name\":\"Christian\",\"@id\":\"https:\\\/\\\/www.pcjv.de\\\/#\\\/schema\\\/person\\\/79b654f8c2fb5bf9405ccc4cb1c11880\"},\"headline\":\"The open source years\",\"datePublished\":\"2026-06-25T08:00:00+00:00\",\"dateModified\":\"2026-07-24T15:20:22+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.pcjv.de\\\/?p=1976\"},\"wordCount\":311,\"articleSection\":[\"Delphi\",\"Retrospective\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.pcjv.de\\\/?p=1976\",\"url\":\"https:\\\/\\\/www.pcjv.de\\\/?p=1976\",\"name\":\"The open source years - Christian&#039;s private site\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.pcjv.de\\\/#website\"},\"datePublished\":\"2026-06-25T08:00:00+00:00\",\"dateModified\":\"2026-07-24T15:20:22+00:00\",\"author\":{\"@id\":\"https:\\\/\\\/www.pcjv.de\\\/#\\\/schema\\\/person\\\/79b654f8c2fb5bf9405ccc4cb1c11880\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.pcjv.de\\\/?p=1976#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.pcjv.de\\\/?p=1976\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.pcjv.de\\\/?p=1976#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.pcjv.de\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"The open source years\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.pcjv.de\\\/#website\",\"url\":\"https:\\\/\\\/www.pcjv.de\\\/\",\"name\":\"Christian&#039;s private site\",\"description\":\"Private site of Christian-W. 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