Terminal

• September 8, 2026 Features

  The BBS is back. And it’s yours.

  Phosphor isn’t a nostalgia project. It’s a real-time, federated communication platform that happens …

• September 4, 2026 The Screen That Lied: Building Idle Timers That Actually Tick

  Here’s a bug report you can’t reproduce with a test: “the sessions view shows a list of users logged in, and when they change state …

• September 2, 2026 A QR Code on a Text Screen: Pairing Phones to a BBS Without a Login

  There’s a moment in every mobile-client story where the design gets embarrassing. Your BBS just grew a beautiful native iOS app — SwiftUI, an …

• August 31, 2026 Ctrl+C to Step Away: Keyboard Shortcuts for Phosphor's Session Persistence

  Last week we shipped session persistence for Phosphor BBS: detach your session, close your terminal, reconnect later, and your screen, cursor, and …

• August 31, 2026 Lite Emacs in Your BBS: The Key Bindings That Make Phosphor's Text Fields Work

  If you’re the kind of person who reaches for Ctrl+A to jump to the beginning of a line, or Ctrl+K to delete everything from the cursor to the …

• August 15, 2026 Live Spellcheck in a Terminal: Yellow Highlights, No Popups

  Every modern editor highlights misspelled words as you type. Squiggly red underlines in Word, yellow backgrounds in Google Docs, dotted lines in VS …

• August 14, 2026 Ghost Text Completion: Bringing Modern Editor UX to the Terminal

  If you’ve used VS Code, fish shell, or Google’s search bar, you’ve seen ghost text — that dim, semi-transparent suggestion that …

• August 12, 2026 Animated Borders: Living Frames in a Terminal UI Toolkit

  A border in a terminal UI is usually a static thing. Four corners, four edges, drawn once and forgotten. Box-drawing characters sit there like a …

• August 12, 2026 Designing Reusable Config Screens: From Vertical Labels to Table Layout

  Every config screen in Phosphor BBS used to be a snowflake. SystemConfigScreen had its own layout. AiConfigScreen had its own layout. They looked …

• August 12, 2026 The Auto-Approve Dead-End: A BBS Onboarding Bug Story

  Here’s a bug that’s easy to introduce and embarrassing to discover: a new user creates an account on your BBS, the system auto-approves …

• August 3, 2026 From IRC to iMessage: Rebuilding BBS Chat for 2026

  The original BBS chat was IRC. You’d type /join #lobby, see messages scroll by in a flat log — <joe> hey everyone — and if you wanted to …

• July 31, 2026 Phosphor Progress — From Parser to Federation

  Twenty-nine commits. Six phases. One language. Here’s where Phosphor stands after the most intense development sprint yet.

  The Journey So Far …

• July 30, 2026 Building a Lexer and Parser for a BBS Programming Language

  How do you build a programming language for a BBS? You start with the same tools every language uses: a lexer to break source code into tokens, and a …

• July 30, 2026 Declarative UI: Building Terminal Screens with Widgets in Phosphor

  Most BBS systems render screens the hard way: imperative code that clears the terminal, prints line by line, and redraws on every update. It works, …

• July 30, 2026 Dev Log

  Building Phosphor — a modern, real-time, federated BBS with a custom scripting language called Phosphor. This is the dev log: what’s being …

• July 30, 2026 How to Connect

  Two ways in. Same BBS.

  Phosphor runs on a single backend. Web and SSH are just two doors into the same room. Same users, same chat, same mail, same …

• July 30, 2026 Phosphor Language

  A domain-specific language for BBS systems

  Every classic BBS sysop knew the feeling. You’d tweak a menu, add a message board, wire up a door …

• July 30, 2026 Screenshots

  The Terminal Aesthetic

  Phosphor doesn’t just look retro. It IS retro — a real terminal application running on jterm, a JVM-based terminal …

• July 29, 2026 Building the Phosphor Parser — Week 1 Dev Log

  The first phase of Phosphor implementation is underway. Here’s what’s happening and why it matters.

  The Problem

  Every BBS system has the …

• July 28, 2026 ANSI Sprites: Animation in a Terminal UI Toolkit

  A terminal is a grid of characters. Each cell holds one glyph, one foreground color, one background color. That’s it. There are no pixels, no …

• June 21, 2026 Terminal Animations: Starfields, Warps, and Living Backgrounds

  A BBS login screen used to be a static ASCII banner. You’d connect, see a logo made of text characters, type your username and password, and …

• June 19, 2026 Real-Time Chat on a BBS: Pub/Sub, Channels, and Wall Messages

  Chat is the heartbeat of a BBS. In the 90s, you’d log in, see who was online, and jump into a channel. Messages appeared character by character …

• June 19, 2026 The SysOp Experience: Building Admin Tools for a Modern BBS

  Every BBS needs a sysop. The system operator — the person who manages users, moderates boards, configures channels, and keeps the system running. In …

• June 18, 2026 From Modem to SSH: Building a Telnet/SSH Server in Java

  In the 90s, a BBS was a modem bank and a phone number. Callers dialed in at 2400 baud, negotiated a connection, and got a text interface. The protocol …

• June 17, 2026 jterm: Building a Terminal UI Toolkit in Pure Java

  Every BBS needs a terminal. But not just any terminal — a fast one, with per-character styling, double-buffered rendering, and a widget library that …