asa.engineer

Welcome down to Earth and to my website.

About me
Asa DeGroff
Areas of expertise: AI, software engineering, biotechnology operations
Location: Salt Lake City, Utah

Find here a selection of things I wanted to share. I am always working on more. I can work for you if you are hiring; please send me an email. I aim to design systems that work and are beautiful.

3957 contributions in the last year

Interactive studies

01 / geometry transparent solids 02 / depth underwater 03 / kinematics jitterbug transformers 04 / optics laser glass 05 / optics white light 06 / optics soap film 07 / optics bubble 08 / optics strained glass 09 / optics clouds 10 / optics ice halos

A selection of my open-source work.

The Porrima wordmark beside a gold polyhedron on a dark violet background

01 / agent systems

porrima

A self-hosted, memory-native AI agent framework with a cross-platform GUI.

  • Atomic memories with vector embeddings, parallelized extraction, and synthesis cycles
  • Five managed llama.cpp servers for chat, extraction, reranking, and embeddings
  • PWA client with passkeys, remote access, and autonomous sleep/wake cycles
  • TypeScript
  • llama.cpp
  • React
  • sqlite-vec

github porrima.cc

The GreenGale wordmark on a dark green wireframe background

02 / social publishing

greengale

A markdown blog platform built on the AT Protocol

  • WhiteWind-compatible — read and write posts with no migration needed
  • Live firehose indexing on Cloudflare Workers, D1, and KV
  • In-browser text-to-speech, KaTeX, image processing
  • TypeScript
  • React
  • Cloudflare
  • AT Protocol

github greengale.app

The mtoc app showing its album carousel, tracklist, and now-playing pane

03 / desktop audio

mtoc

A music player and library browser for Linux that puts album artwork at the forefront.

  • Continuous album carousel with mouse wheel, click-drag, and touchpad browsing
  • GStreamer engine with gapless playback, ReplayGain, and MPRIS 2 integration
  • SQLite library with artwork extraction, synchronized lyrics, and live file watching
  • C++
  • QML
  • Qt 6
  • GStreamer
  • SQLite

github mtoc.app

email: asa@3fz.org

Telegram: @asadegroff