Open source

Where it is used

49 pages of this site build on this term.

• About

  Tomas Korcak (korczis), software engineer in Brno: what I build, the languages I build it in over the years, and where to find it.

• Projects

  Every project in the catalogue: what it is, what it is built with, whether it is live, and whether Majordomus supervises it.

• Libraries

  Reusable building blocks for other programs: clients, bindings, validators, parsers and framework extensions, mostly Elixir and Rust.

• Tools

  Small, sharp command-line tools and indexes: data conversion, CSV to SQL, gist search.

• Repositories

  Every original public repository on GitHub and GitLab, merged by name, with its inferred category, language and both links.

• Recent work

  Every project with a commit in the last 48 months, by period (12, 24, 48): 43 repositories on GitHub and GitLab, each with its own page.

• algoglyph

  Algorithms and physics drawn as glyphs: seeded, interactive p5.js visualisations (sorting, graphs, fractals, chaos, waves, gravity, 2D and 3D) with measured…

• astronomists

  Brand & web pro hnutí Astronautisté — „Myslíme na hvězdy, jednáme vědecky." Veřejný web: astronautiste.cz.

• bubbler

  Bubbler is a simple JavaScript application that generates a speech bubble with dynamic text over an image of a boy. The text is passed through a URL query…

• Catharsis as a Service

  Catharsis as a Service™ — emotional state transition endpoint. A Sig Nihl / Prismatic digital artifact.

• cognitive-reasoning

  cognitive-reasoning. Active in the last 24 months; ai engineering.

• comtesse

  Mission: Improve accuracy and consistency of per-commit assessments while keeping context minimal and traceability maximal.

• corvidae

  Osobní a vědecký projekt zaměřený na pozorování, dokumentaci a vztah s volně žijící vránou šedou (Corvus cornix) jménem Šedka. Projekt klade důraz na etiku,…

• Crisis map

  Incident reports, normalised, geocoded and mapped.

• Data Atlas

  A searchable catalogue of GIS and geodata sources (Czech).

• dispatcher

  1. Introduction 2. Motivation 3. How It Started 4. Architecture 5. Features 6. Usage 7. File Structure 8. API Reference 9. Examples 10. Contributing 11. License

• distance-calculator

  If available in Hex, the package can be installed by adding distancecalculator to your list of dependencies in mix.exs:

• edna

  Edna je digitální kartářka, astroložka a analytička poháněná AI. Projekt spojuje mystiku, astrologii a psychologii s moderními LLM modely, aby uživatelům…

• el-magico-cache

  If available in Hex, the package can be installed by adding cache to your list of dependencies in mix.exs:

• GHT

  Copyright © 2024–2025 Tomas Korcak. ALL RIGHTS RESERVED.

• Gists search

  Catalogue, enrichment and search over a mirror of my gists.

• job-processor

  This is a simple web service built with Elixir, Plug, and Cowboy that processes job tasks with dependencies and generates execution order and bash scripts.

• Kompendium

  A defensive taxonomy of epistemic and cognitive manipulation (Czech).

• korczis.github.io

  Tomas Korcak (korczis): software that proves its work. Projects, live sites and the stack behind them. Zola + Flowbite Pro on GitHub Pages, supervised by Majordomus.

• korczis.gitlab.io

  Kita is a clean, elegant and simple blog theme for Zola.

• kuzu-ex

  Elixir SDK for KuzuDB with graph schema DSL and query builder, designed for large-scale graph analytics and data exploration.

• llm

  Local-first, provider-agnostic archive of AI conversations (ChatGPT, Claude, Gemini, Codex) — immutable, content-addressed, searchable evidence layer built in…

• Majordomus reel

  A promo reel for Majordomus rendered entirely from code: voice, frames, music and sound

• marketing-ideas

  marketing-ideas. Active in the last 48 months; tools.

• MindScape

  MindScape is an AI-powered platform for mental health diagnosis and treatment. It uses machine learning algorithms and virtual reality technology to create…

• openttd-prismatic-bridge

  REST/Swagger bridge onto OpenTTD's Admin Network, for prismatic-platform

• Oscilla

  A zero-install acoustic laboratory in the browser.

• osint-case-ratcliffe-moscow-2026

  Open-source intelligence assessment of the CIA Director's unannounced Moscow visit (2026-08-25) — maintained with Claude Code skills; reusable OSINT case toolkit

• past

  "Capture the soul of the story, not just its words."

• pdf_renderer

  Create a service that accepts PDF files containing one or more pages. These pages should be rendered to “normalized png” files: they should fit into a 1200x1600…

• pissaleck

  Anything about everything and vice versa. Active in the last 48 months; tools.

• prism

  PRISM is an advanced system for behavioral analysis, pattern recognition, and social modeling using cutting-edge artificial intelligence and machine learning…

• prismatic-blog

  Book Template is a starter template of [Zola][zola] with [book][book] theme, including automatic publishing feature to [GitHub Pages][github-pages]. Contains…

• Majordomus

  AI agents say the work is done; Majordomus makes them prove it.

• prismatic

  Advanced AI Agent Framework with Enterprise-Grade BEAM VM Introspection and Consolidation Tools

• sig

  Sig is a comprehensive Elixir-based platform that combines advanced Open Source Intelligence (OSINT) capabilities, AI agent societies, real-time collaboration…

• simple_geocoder

  Simple Geocoder is an Elixir library designed to facilitate geocoding and routing functionalities within your Elixir applications.

• Sonic Playground

  Sonic Playground - Phoenix/Elixir music blog built on the Kita theme

• tap

  tap. Active in the last 48 months; tools. A project by Tomas Korcak, active in the last 48 months.

• the-psycho

  Advanced research framework analyzing psychological manipulation patterns, dark psychology, and defense strategies. Integrating comprehensive behavioral analysis…

• tinder-nomics

  Use the built-in continuous integration in GitLab.

• u-tygra

  u-tygra. Active in the last 24 months; tools. A project by Tomas Korcak, active in the last 24 months.

• unable.cz

  Minimalist static site built with Zola, styled with Tailwind CSS, Flowbite + Flowbite Typography, and Alpine.js.

• vomaste.cz

  Otevřený, Git-native systém pro tvorbu a publikaci dohledatelných dossierů ve veřejném zájmu. Tvrzení, zdroje, entity, kauzy a vztahy jsou strukturovaná,…