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Modal text editor for writers — vim-like core, single binary. Part of the Fe2O3 Rust terminal suite.

Pure-asm tiling window manager (CHasm suite). x86_64 Linux, no libc, X11 wire protocol, single static binary.

Rust terminal file manager. Feature clone of RTFM with two-pane view, preview, and image display.

Pure assembly terminal emulator. x86_64 Linux, no libc, X11 wire protocol. Part of CHasm.

Comprehensive amateur astronomy app: sky panel + telescope/eyepiece catalog. Merger of nova and scope.

Interactive shell in x86_64 Linux assembly. No libc, no runtime, pure syscalls.

Ruby SHell

Pure-asm X11 display server for the CHasm desktop. No libc, no Mesa, no Xlib — just NASM, syscalls, and the X11 wire protocol.

CHasm — CHange to ASM. Pure x86_64 assembly Linux tools (bare, show, glass, tile).

Narrow down your preferences from a 1000 movies and almost 500 series. Select a minimum IMDB rating, range of production years, genres you like and dislike to get your preferred list. Get detailed information on movies and series and where you can stream them. Even the movie poster in the terminal.

Terminal program for amateur astronomers with weather forcast

Ruby Terminal File Manager

A powerful Terminal User Interface (TUI) application for creating, editing, and managing HyperLists - a methodology for describing anything in a hierarchical, structured format.

This VIM plugin makes it easy to create and manage HyperLists using VIM

Fe2O3 — a suite of fast terminal tools in Rust. Landing page: https://isene.github.io/fe2o3/

The eXtended RPN programming language

An alternative curses library written in pure Ruby

Rust terminal calendar app. Feature clone of Timely with day/week/month views.

LS_COLORS and Ranger color scheme with a color category philosophy

Rust unified messaging hub. Feature clone of Heathrow for multi-source email and messaging.

The Simple OS - based on the Forth programming language

VCAL viewer for MUTT

Rust TUI library. Feature clone of rcurses for terminal pane management, input, colors, and Unicode.

Pure assembly file viewer with syntax highlighting. Part of CHasm.

Control your PC with your phone by voice

A unified TUI for all your messaging - email, chat, RSS and more

Fast terminal shell written in Rust. Feature clone of rsh with 26ms startup, syntax highlighting, tab completion, nick aliases, and bookmarks.

For AMAR RPG: A complete set of tools - random encounters, NPCs, castles/villages/towns/cities with relationship maps for inhabitants, random name generator, dice roller

Git(hub) TUI application

Rust terminal browser for IMDb Top 250 movies and series. Part of the Fe2O3 suite.

Rust terminal web browser. Feature clone of brrowser with vim keys, images, tabs, and forms.

T-REX - Terminal Rpn calculator EXperiment

Pure-asm screen locker for the CHasm desktop suite (x86_64 NASM, no libc)

Terminal calendar app - companion to Heathrow

A programming language whose only goal is to be simple.

Pure assembly TrueType font rasterizer. x86_64 Linux, no libc. Handles composite glyphs, UTF-8, OpenType variable fonts. Part of CHasm.

Tiny per-segment programs for the strip status bar (CHasm suite)

Graphing HyperListS

Amar RPG companion — Fe2O3 suite TUI for the 3-tier O6 system (d6gaming.org)

Universal TUI file viewer — read-only preview of any office/text/data file, launches the right editor. Config-driven, expandable. Part of the Fe2O3 Rust terminal suite.

TUI configuration tool for the bare shell, built on crust

Ruby Class::Ephemeris

Open-ended D6 rolls

Collect mail from various accounts, filter and store locally

A tool to update ROMS on the HP-41CL calculator via HP-IL

Tools for the HP-41CL by Systemyde (http://www.systemyde.com/hp41/index.html)

Fe2O3 on the phone: Android mobile suite (Rust core + Kotlin/Compose shells). tasks, hyperlist, relay, astro, watchit, amardice, xrpn.

Interactive TUI configuration app for rush shell

No description.

Generative personal library TUI — curate a shelf of books that should exist, then have them written on demand. Part of the Fe2O3 suite.

Rust terminal charting library (bar, line, sparkline). Feature clone of termchart. Part of Fe2O3 suite.

NetHack 5.0 for Android (archived; superseded by JodiJodington/NetHack-Android)

No description.

Fetch Gmail accounts to local IMAP server

A terminal/curses program to aid amateur astronomers (telescopes and eyepiece calculations)

A terminal interface for OpenAI

Extending the Ruby Curses module with some obvious functionality

No description.

For the HP-41 calculator: Facilitating serial/USB connection to an HP-41. With this program you can use your PC as a printer for an HP-41 (with Diego Diaz' USB41 module) or transfer modules/data to/from an HP-41CL (with the serial interface)

A treatise on the subject of free will, of consciousness, subjective reality, including an interpretation of quantum mechanics - a Subjective Collapse Theory.

A collection of HP-41 software that I deem most essential into one ROM

My basic clear routine for the HP-41 calculator

Terminal Petri net player: fire transitions, watch conflicts, find deadlocks. Built on crust, part of the Fe2O3 suite.

Rust terminal image display (kitty/sixel/w3m). Feature clone of termpix. Part of Fe2O3 suite.

Periodic table explorer with full Wikipedia article for every element - part of the Fe2O3 terminal suite

The naked-eye sky in braille: 9,096 stars with distances, constellation figures, two projections, and an interactive star picker (Fe2O3 suite)

Hertzsprung-Russell diagram explorer for the terminal - part of the Fe2O3 suite

Moon phases, ephemeris, sun/planet positions. Shared by Fe2O3 apps (nova, tock).

AI-native TUI spreadsheet — view/edit csv/xlsx/ods, formula engine, Claude-powered editing. Part of the Fe2O3 Rust terminal suite.

Battery-drain triage TUI for Linux. Catches the polling loop you didn't mean to write. Part of the Fe₂O₃ Rust terminal suite.

Standard Model explorer for the terminal: the fundamental particles, and a zoom from an atom down to the quarks. Rust, part of the Fe2O3 suite.

TUI font picker with live previews (glyph + glow). Returns family + size; launchable as a picker like prism. Part of Fe2O3.

RPN / XRPN calculator engine (HP-41 stack, command set, FOCAL runner) shared by the rpnx TUI and the RPNx phone app. Part of the Fe2O3 suite.

Terminal RPN / XRPN scientific calculator: HP-41 stack, cycling shift pages, runs XRPN programs. Part of the Fe2O3 suite.

Terminal touch-typing tutor. Part of the Fe2O3 suite.

Lightweight syntax highlighter for the Fe2O3 terminal suite (source code, email, HyperList, Markdown, LaTeX)

Terminal reader for your personal daily news digest. Part of the Fe2O3 Rust terminal suite.

TUI RGB color picker. Two slots, R/G/B + H/S/V sliders, hex input, live sample text, WCAG contrast. Member of the Fe2O3 suite.

Presenter spotlight overlay for Linux — pure x86_64 assembly, ~14 KB. Click-through, screen-share-safe, follows the pointer via SHAPE.

Spotify Connect controller TUI. Part of the Fe2O3 Rust terminal suite.

Watt — The Lean Desktop Project: meta-landing page above CHasm (asm) and Fe2O3 (Rust).

Captive-portal listener for NetworkManager. Replaces Firefox's removed login-page banner. Member of the Fe2O3 Rust terminal suite.

No description.

Rust terminal viewer for the HyperList outline format. Part of the Fe2O3 suite.

Rust terminal panel for amateur astronomers. Weather, ephemeris, astronomical events, starchart, APOD. Part of the Fe2O3 suite.

Terminal web browser with vim-style keys, inline images, tabs, forms, and AI summaries. Built on rcurses.

Converts plain text (file or from STDIN) to pdf via pdflatex

The program extracts an ASCII XM file from a DM41X state file.

HP-41: Syntax and filetype plugin

A spreadsheet program for the HP-41 calculator

HP-41: Calculate guaranteed uptimes for a system composed of serial and paralell components.

HP-41: REMembering (event manager)

The periodic table chemical elements for the HP-41 with much details

The most useful of my FOCAL programs

HP-41: Simplifies the evaluation of cases against a requirement specification

Turning the HP-25E into the ultimate amateur astronomy calculator

The swiss army knife of Git

No description.

Terminal melody maker: play, record and edit a piano line, export WAV as a song starting point. Built on crust, part of the Fe2O3 suite.

Chaos and fractals in your terminal: the Mandelbrot set, Julia sets, the logistic map, and the Lorenz and Henon attractors, drawn in braille. Part of the Fe2O3 suite.

The known exoplanets in your terminal: 6,309 worlds by orbit and size, their systems and habitable zones. Part of the Fe2O3 suite.

The chart of the nuclides in your terminal: 3,386 isotopes, their decay modes, half-lives and decay chains (Fe2O3 suite)

TUI configuration tool for the tile window manager

TUI configuration tool for the strip status bar

TUI configuration tool for the glass terminal emulator (Rust + crust)

Draw a rough sketch on a reMarkable 2; an AI redraws it as a polished illustration on the same page.

Sideload-only Android app for editing a hyperlist todo.hl synced from your laptop. Part of the Fe2O3 suite.

Rust terminal tool for amateur astronomers: telescope + eyepiece properties and combinations. Part of the Fe2O3 suite.

A simple rcurses date picker

No description.

HP-41 calculator tools for the Amar Role-Playing Game: O6 dice roller and random encounter generator

No description.

Client-side tools for imap

Converts html documents to plain text, formatted text, latex, ps or pdf

HP-41: This program calculates the W Lambert function

HP-41: The Ultimate Alarm Clock

A complete gladiator arena fighting game for the HP-41 calculator.

HP-41: Simple program for calculating IP subnets

Advanced SOLVE for the HP-41 calculator

HP-41: Telescope and observational utilities

HP-41: Break-even analysis for outsourcing

Observation logging for the amateur astronomer

Control your telescope via the HP-41! Create observation lists, start observing, control the telescope mount via an INDI server

An HP-41 rom enhancing the family of NoVRAM modules

HP-41: Taking notes on the calculator

A collection of tools for MCODE (assembly) programming on the Coconut processor (HP-41 calculator)

Maidenhead <-> Location conversion

This program validates credit cards numbers and other numbers conforming to the Luhn algorithm

Using Little's Law to calculate resolution (throughput) time in a queue - e.g. resolution time for IT Service Desk tickets

HP-41: LIF to ASCII read/write

HP-41: Libraries for handling XM and HEPAX files

HP-41: The ICEBOX rom

A tool to update read the HP-41 HOURSF file (hours registration for consultants)

A customized program for tracking hours worked on projects

HP-41: File management system

HP-41: Simple date-to-weeknumber-to-date converter

Comprehensive statistical analysis of data sets on the HP-41 calculator

HP-41: STATistical analysis galore

HP-41: Cryptography

Calculate the luminosity of an RGB color

Renames files matched by regexp

HP-41: Calculate various properties of a sail boat

HP-41: A user interface for the ASTRO2010 module

Creates a 4 level "Alpha stack" for the HP-41 and supplies the routines APUSH and APOP

The amature astronomy rom for the HP-41 calculator

A Gregorian Date to Julian Date converter for the HP-29

HP-25: Syntax and filetype plugin (for programming the HP-25 calculator)

HP-41CL update ROM using HP-IL

My Navi Cheats

Community-sourced cheatsheets for navi

An interactive cheatsheet tool for the command-line and application launchers