Projects

    I build products, frameworks, and open-source tools across AI, Ruby, and native desktop software. Here's a selection of what I build and maintain, alongside the communities and music projects I organize and contribute to.

    Apps

    • Chat with Work: AI that works for you, not on your laptop. Hosted in the EU, beside a globe with Europe lit

      Chat with Work

      An AI assistant for your work, hosted in Europe. Connect your tools, pick up any chat on any device, and approve every change before it happens. Nothing to install.

    • Solco: Stop preparing your tracks, above an audio waveform

      Solco

      The DJ library app. Stop preparing your tracks. Solco grids, keys, sorts, and tags every download, then writes the USB your CDJs read. In private alpha.

    • Spotifast's music library and player

      Spotifast

      A lightweight native Spotify client for Linux, macOS, and Windows, with local playback and Spotify Connect.

    • ZapFast showing chats, attachments, and voice messages

      ZapFast

      A native WhatsApp client for Linux, macOS, and Windows, with chats, voice messages, attachments, and notifications.

    • TonePush: Find the tone. Play it on your pedal, above a chain of effect blocks

      TonePush

      Guitar tones for your pedal. A catalog website to find presets by artist, song, or original sound and see their signal chains, plus a free, open-source desktop editor that loads them onto your HX Stomp.

    • Cluster Headache Tracker

      A free, open-source app for logging cluster headaches, spotting patterns, and sharing records with your doctor.

    Libraries & developer tools

    • RubyLLM: Build AI features the Ruby way

      RubyLLM

      A Ruby framework for AI applications, with a consistent interface to major providers. Build agents, chat, structured outputs, and multimodal applications.

    • MXC for Ruby code setting readable and writable paths and a timeout for a sandboxed command

      MXC for Ruby

      Run untrusted commands in an OS sandbox from Ruby, with policies for files, network access, and timeouts. An unofficial Ruby binding to Microsoft's MXC.

    • devhost commands for running Rails and Jekyll with stable HTTPS localhost URLs

      devhost

      Stable HTTPS localhost URLs for Rails, Jekyll, and other local servers on Linux. Each repository and worktree gets its own address, with Caddy handling HTTPS.

    • ArchSpec: Executable architecture specifications for Ruby and Rails

      ArchSpec

      Executable architecture rules for Ruby and Rails. Check boundaries, dependencies, and conventions on every change.

    • A JSON Schema definition written with Schematist

      Schematist

      A Ruby DSL for JSON Schema, formerly RubyLLM::Schema. Describe API payloads, configuration, and structured AI outputs.

    • The hyprmoncfg terminal editor showing a monitor layout and profile details

      hyprmoncfg

      Arrange Hyprland monitors and save display profiles without doing coordinate math.

    • Kamal Backup

      Scheduled database and file backups for Rails applications deployed with Kamal.

    • The Jekyll VitePress documentation homepage

      Jekyll VitePress

      A documentation theme that brings VitePress-style navigation, search, and polish to Jekyll.

    • native-packages: One config. Every package.

      native-packages

      Turn your built application into Linux packages, macOS disk images, and Windows installers, then publish releases.

    • fastframe

      egui on rails. The shared Rust foundation of my native desktop apps, with desktop-aware text rendering, themes, a tray, and self-update.

    • Copilot Triage

      A GitHub Action that uses Copilot to label issues and discussions, ask for missing details, and answer questions from your project's documentation. Built with a small Ruby script and cached replies.

    Omarchy plugins

    Plugins for the desktop I use every day. Find them on the Omarchy plugin marketplace.

    • OmaCal month and day views with example events and a Quick Add form

      OmaCal

      Your calendar in the Omarchy bar, with events on the month grid, a day view, Quick Add, reminders, and time tracking. HEY is the first supported calendar.

    • Files for Omarchy showing example search results and the actions panel

      Files for Omarchy

      Find files and folders as you type, browse into directories, then open, copy, share, or trash a result from its actions panel.

    • MOZA wheelbase settings and rev lights with simulated RPM and pedal inputs

      MOZA for Omarchy

      Native controls for MOZA racing hardware, with wheelbase and pedal settings, presets, live inputs, and rev lights powered by Boxflat and moza-rev.

    • OmaStats bar readouts with CPU and memory panels showing demo graphs and processes

      OmaStats

      System monitoring in the bar, with live graphs for CPU, memory, disks, network, temperatures, and battery.

    • OmaTasks Today panel and Quick Add with example tasks

      OmaTasks for Todoist

      Todoist in the bar, with Today, Inbox, and Upcoming views, Quick Add, task editing, and drag-to-reorder that syncs across your devices.

    • The expanded tab reader and compact reader with its instrument picker

      Ultimate Guitar Tabs

      The tab for whatever you're playing, right in the bar. Switch instruments and versions, and auto-scroll while you play.

    • Compact and expanded lyric readers showing an example song

      Lyrics Synced with Music

      Lyrics that follow your music line by line, with click-to-seek, timing adjustments, and a resizable reader.

    • The hyprmoncfg monitor layout editor and display settings in Omarchy

      hyprmoncfg for Omarchy

      The desktop panel for hyprmoncfg, with a visual layout editor, per-display brightness, and profiles that follow your connected monitors.

    • Active Window bar widgets with title and icon-only layouts beside appearance settings

      Active Window + Icon

      The focused application's title and real desktop icon in the bar, with adjustable sizing, saturation, and an icon-only mode.

    • Media controls in full and compact bar layouts beside appearance settings

      Media Controls + Album Art

      Playback controls, live album art, and track details for Spotify and other desktop players, adapting to the space in your bar.

    Omarchy tools & themes

    A rescue USB for recovering an Omarchy system, plus light and dark desktop themes drawn from Plenty, RubyLLM, Chat with Work, and Solco.

    • The Omarchy Rescue live console welcome screen with recovery commands

      Omarchy Rescue

      A bootable rescue USB for Omarchy, with recovery tools and Claude Code, Codex, and OpenCode to help diagnose and repair a machine that will not boot.

    • Plenty Dark for Omarchy, showing the editor, terminal, and desktop palette

      Plenty Dark

      Ink-black surfaces, warm text, and a vermilion accent, with wallpapers and a boot unlock logo from Plenty.

    • Plenty Light for Omarchy, showing the editor, terminal, and desktop palette

      Plenty Light

      Paper, ink, and a vermilion accent, with wallpapers and a boot unlock logo from Plenty.

    • RubyLLM Dark for Omarchy, showing the editor, terminal, and desktop palette

      RubyLLM Dark

      Near-black surfaces, ruby-red accents, and Gruvbox code colors, with RubyLLM wallpapers and a boot unlock logo.

    • RubyLLM Light for Omarchy, showing the editor, terminal, and desktop palette

      RubyLLM Light

      Warm paper tones, ruby-red accents, and Gruvbox code colors, with RubyLLM wallpapers and a boot unlock logo.

    • Chat with Work Dark for Omarchy, showing the editor, terminal, and desktop palette

      Chat with Work Dark

      Deep blue surfaces with violet and rainbow accents, Chat with Work wallpapers, and a matching boot unlock logo.

    • Chat with Work Light for Omarchy, showing the editor, terminal, and desktop palette

      Chat with Work Light

      Cool, light surfaces with violet and rainbow accents, Chat with Work wallpapers, and a matching boot unlock logo.

    • Solco Dark for Omarchy, showing the editor, terminal, and desktop palette

      Solco Dark

      Dark surfaces with violet accents and a blue-to-orange glow, Solco wallpapers, and a matching boot unlock logo.

    • Solco Light for Omarchy, showing the editor, terminal, and desktop palette

      Solco Light

      Soft paper-white surfaces with violet accents, Solco wallpapers, and a matching boot unlock logo.

    Community & music

    • Berlin.rb

      A monthly meetup for Berlin's Ruby community. I help organize the talks, demos, and time together.

    • Crimson Lake artist portrait

      Crimson Lake

      My house and disco music, from original productions to DJ sets.

    • Floppy Disco

      The Berlin music collective I founded and run, bringing house, disco, and funk to the dancefloor.

    • Mindscape Productions

      A Berlin community bringing live music, audiovisual performances, and cultural gatherings together.

    More experiments and open-source work on GitHub.

    I also work with teams on RubyLLM and AI consulting, and offer workshops and founder coaching.

    About Me

    At Plenty, I build AI frameworks, products, native apps, and developer tools: RubyLLM, Chat with Work, Solco, Spotifast, ZapFast, ArchSpec, Kamal Backup, and more. I help organize Berlin.rb, founded Floppy Disco, and make house and disco as Crimson Lake.

    Tags

    Startups Open Source Ruby AI OpenAI Anthropic Gemini Rails LLM API Standards DeepSeek Async Concurrency Performance RubyLLM Linux Agents Developer Experience MCP Kamal Backups

    Recent Posts

    RubyLLM 2.1: You Can Have It All 1

    RubyLLM 2.1: You Can Have It All

    RubyLLM 2.0: Tool Approval, Video, Speech, Citations, and Cost Tracking 2

    RubyLLM 2.0: Tool Approval, Video, Speech, Citations, and Cost Tracking

    Berlin.rb: A New Monthly Ruby Meetup in Berlin 3

    Berlin.rb: A New Monthly Ruby Meetup in Berlin

    Newsletter