Tools

An illustration for this article

Note that the precise distinctions between a Tool, a Platform, and a Library are debatable, and entries may be categorized somewhat arbitrarily.

Tools for Retrocomputing platforms might be found in the Retrocomputing article instead.

Formats often have tools for processing them, and those are listed along with the format instead of here.

Note that Cat's Eye Technologies also maintains some forks of some tools.

Note also that there are several novel generators in here, and possibly other kinds of generators, that should probably be in their own "Generators" article rather than here in "Tools".

Chainscape

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Chainscape is the name of a project, undertaken during NaNoGenMo 2023, to explore the algebraic properties of Markov chains. In particular, it can be used to find the intersection of two or more Markov chains (which is itself a Markov chain and can be walked randomly to produce a sequence.) It was used to generate the novel The Other and the Same.

DAM

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DAM is a little JavaScript library for creating trees of HTML5 elements in the DOM. It supercedes the element-factory module from yoob.js, and Cat's Eye Technologies' newer gewgaws use it instead of yoob.js for creating their control panels. It's rather a lot like hyperscript except more minimal and, of course, awesomer.

Implementation: DAM (JavaScript)

DiskSumo

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DiskSumo main menu DiskSumo during transfer

DiskSumo is a program to transfer disk images off a Commodore 64 over the RS-232 port via the XMODEM protocol at 300 baud.

Implementation: DiskSumo (BASIC)

Dissociated Parse

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Dissociated Parse is not really a tool, rather, it is an algorithm; specifically it is an adaptation of the Dissociated Press algorithm to work on parse trees (rather than the sequential list of words it conventionally works on). It was developed during NaNoGenMo 2021 and was used to generate the novel The Lion, the Witches, and the Weird Road.

Implementation: Dissociated Parse (Python)

define-opaque

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define-opaque is a library for R5RS Scheme that adds a facility for creating opaque data types in a simplistic fashion. It was written based on some of the ideas in Information Hiding in Scheme.

It exists partly because I actually wanted to implement some of those ideas in Scheme, to support building things such as LCF-style theorem provers in Scheme, and abstract data types are otherwise difficult to implement in Scheme.

Implementation: define-opaque.scm

ellsync

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ellsync is an opinionated poka-yoke for rsync. "Opinionated" because it was designed for a particular use case for rsync (offline backups). "Poka-yoke" because it exposes a restricted interface to rsync, which prevents using it in dangerous ways.

Implementation: ellsync (Python)

Funicular

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Funicular is a system that semi-automates the creation of development environments on eclectic architectures. "Semi-automate" means it automates what it can, and provides repeatable instructions for you to follow for what it can't.

"Eclectic architectures" is not terribly-well defined, but it includes retrocomputing and esoteric architectures. Basically, if you've got an emulator for it and install images for it, you might be able to outfit and run a system for it, using Funicular.

It replaces Amiga Gondola. It can handle such OS/emulator combinations as NetBSD under QEMU, FreeDOS under QEMU, AmigaDOS 1.3 on an Amiga 500 under E-UAE, Applesoft BASIC on an Apple II under linapple, and Commodore BASIC 2.0 on a Commodore 64 under VICE.

Implementation: funicular

hatoucan

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hatoucan is a tokenizer for Commodore BASIC 2.0 programs. It is compatible with a subset of petcat, but is written in Python and is in the public domain.

Implementation: hatoucan (Python)

kinoje

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kinoje is a templating-based animation tool. A provided template is filled out once for each frame of the animation; the result of the template expansion is used to create a still image; and the resulting sequence of images is compiled into the finished movie.

Implementation: kinoje (Python)

Lariat

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Lariat is an abstract data type for proper lambda terms, consisting of four operations: app, abs, var, and destruct. Each of the operations produces a proper lambda term as its result, i.e. bound terms are never exposed to the user of the ADT. Lariat is a total data type in the sense that all of the operations are defined on all properly-typed input values. It is a higher-order data type in the sense that destruct takes function values as parameters.

Implementation: Data.Lariat

MARYSUE

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MARYSUE is the story generator used to generate the novel A Time for Destiny for NaNoGenMo 2015.

Implementation: MARYSUE (Python)

Parc

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Parc is a particularly simple parser combinator library, and a series of experimental variations on this theme, written in Haskell.

Implementation: Parc.hs

Philomath

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Philomath is an LCF-style theorem prover written in ANSI C. It supports classical propositional logic in a Natural Deduction system with labelled assumptions.

Implementation: Philomath (ANSI C)

relwrite

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relwrite relates strings to strings via a grammar in the Chomsky hierarchy.

Implementation: relwrite

shelf

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shelf is a "package manager" which doesn't actually install any files. Instead, it stores the source trees of sundry packages in a single directory, creates link farms to the interesting files within those trees, and manages your search paths to include those link farms. those trees. The source trees are typically the working directories of local git or Mercurial clones, or they can be source distributions from tarballs. shelf, written in Bourne shell, is a replacement for toolshelf, which was written in Python.

Implementation: shelf.sh

SITU-MON

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SITU-MON

SITU-MON is a machine language monitor for 6502-based systems, written (by hand!) during RetroChallenge 2015/07 and entered into an emulated Commodore 64 using SITU-PAN. It was in turn used to enter SITU-SOL.

Implementation: SITU-MON (Commodore 64)

SITU-PAN

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SITU-PAN

SITU-PAN is a front-panel switches simulator for the Commodore 64. It displays 8 virtual LEDs and 8 virtual dip switches on the screen. The LEDs display the bit pattern at the current address in memory. Via the keyboard, the switches may be toggled, a new bit pattern written into memory, and the address advanced. In this way, machine code programs may be entered into memory, and then run. SITU-PAN was written during RetroChallenge 2015/07 for the purposes of entering SITU-MON into an emulated C64.

Implementation: frontpanel.bas

StateLab

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An interactive web app for experimenting with state machines. Define a state machine in Mermaid.js format, see its diagram be updated in real time. Fire events in simulator to transition from state to state.

Implementation: StateLab (JavaScript)

tagfarm

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tagfarm is an ultra-lightweight, filesystem-based categorization system for arbitrary files. Each tag is implemented as a directory full of symbolic links to files with that tag.

Implementation: tagfarm (Python)

The Swallows Engine

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The Swallows Engine is the engine used to generate The Swallows series of generated novels for NaNoGenMo 2013.

Implementation: The Swallows Engine (Python)

tree

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Cat's Eye Technologies' tree is a command-line tool that displays an indented directory tree, similar to "The Tree Command for Linux" except simpler.

Implementation: tree (Python)

T-Rext

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T-Rext is a command-line filter that attempts to clean up spaces and punctuation in a text file. Its purpose is so that, when you are writing a text generator, such as a Markov processor, you need not worry too much about its output format; just toss its output through T-Rext when you're done to make it more presentable.

Implementation: t-rext (Python)

yastasoti

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yastasoti is yet another script for archiving stuff off teh internets. It supports consulting an archive router to determine where each stuff is archived to.

Implementation: yastasoti (Python)

yucca

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yucca is a dialect-agnostic static analyzer for 8-bit BASIC programs. It can find GOTO's and GOSUB's which refer to non-existent line numbers, or line numbers which contain only a REM, among a few other modest features.

Implementation: yucca (Python)

Archival Tools

TPiS

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This is a static analyzer, written in Scheme, which can check if given Scheme procedures are total (always terminate, on any input) by checking that they are specified primitive-recursively. What's more, it is written almost entirely in a primitive-recursive style, so it can check itself!

Implementation: TPiS (Scheme)

yoob.js

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yoob.js is a framework for implementing esoteric programming languages in JavaScript/HTML5. It has some differences from the earlier yoob framework, which is in Java.

Implementation: yoob.js (JavaScript)