A comprehensive, high-fidelity suite of interactive dictionaries, keyboards, and learning tools for Sign Language writing and description systems.
Welcome to the official portal for Nulpoints sign language notation tools. This repository hosts a suite of interactive web applications and resources designed to help users read, write, study, and analyze major sign language writing and description systems: Escrita das Línguas de Sinais (ELiS), SignFont (ASL), ASLwrite, and the Sign Language Dictionary (SLD) transcription system.
A high-fidelity suite designed for parsing, analyzing, and looking up SLD notation structures. For more information on the notation, visit the official SLD website.
| App / Resource | Direct Launch Link | Key Features & Highlights |
|---|---|---|
| 📖 SLD Bidirectional Dictionary | Launch Dictionary 🚀 | High-fidelity bidirectional search between English glosses and SLD symbols. Features detailed token breakdowns and interactive analyzer drawers. |
| ⚡ SLD Interactive Flashcards | Practice Flashcards 🚀 | Dynamic visual practice tool with card-flip animations, custom score trackers, and tailored study sessions. |
| 🔬 SLD Parser & Segmenter | Launch Parser 🚀 | Segment and decompose complex SLD code structures into constituent handshape, action, and movement features. |
| 🎮 SLD Missing Parameter Game | Play Game 🚀 | Test and improve your transcription skills by identifying missing handshapes, orientations, locations, and actions in an interactive game. |
| 🎮 SLD Handshape Testing Game | Play Game 🚀 | Premium 3D interactive training game to test and build your recognition and spelling skills for SLD handshapes. |
| 🔮 SLD Handshape Visualizer | Launch Visualizer 🚀 | Translate between handshape names, signatures, and interactive 3D hand shapes with a guided builder. |
Explore Don Newkirk's 1987 SignFont writing system with modern virtual interfaces and learning tools.
| App / Resource | Direct Launch Link | Key Features & Highlights |
|---|---|---|
| 📖 SignFont Bidirectional Dictionary | Launch Dictionary 🚀 | Interactive bidirectional lookup matching English words to SignFont transcriptions, with smart Keyman keyboard toggling. |
| ⌨️ SignFont Keyboard | Open Keyboard 🚀 | Virtual keymap layout for typing SignFont directly in-browser using custom font rendering. |
| ⚡ SignFont Flashcards Practice | Practice Flashcards 🚀 | Memorize SignFont character meanings and visual configurations through dynamic flashcard practice. |
| 📄 SignFont Sheet Reference | View Cheatsheet 🚀 | Structured markdown chart documenting SignFont keyboard mapping codes and descriptions. |
| 📘 SignFont Explained Guide | Download PDF 🚀 | Original explanatory documentation on SignFont design principles, handshapes, and positions by Don Newkirk. |
| 📦 SignFont Custom Font | Download Font (.TTF) 📥 | Custom-made TrueType Font designed for correct alignment and rendering of SignFont characters. |
| ⌨️ Keyman Keyboard File | Download Keyboard (.KMP) 📥 | Keyman Desktop/Mobile package for system-wide native typing of SignFont characters. |
| 🖼️ Physical Keyboard Layout | View Layout Image 🖼️ | High-resolution keymap illustration for quick visual typing reference. |
The complete Escrita das Línguas de Sinais (ELiS) implementation suite, containing interactive lessons, advanced typing utilities, and reference sheets.
| App / Resource | Direct Launch Link | Key Features & Highlights |
|---|---|---|
| 📚 Interactive ELiS Learning Center | Open Learning Portal 🚀 | An interactive, comprehensive manual containing visographeme charts for Handshapes, Palm Orientations, Locations, and Movements. |
| ⌨️ ELiS Online Keyboard | Open Keyboard 🚀 | Dynamic on-screen keyboard supporting live character selection and diacritic compounding. |
| ⌨️ ELiS sldelis Keyboard | Open Keyboard 🚀 | Alternative hybrid virtual keyboard layout for typing ELiS notations. |
| 🖥️ Text Input Display Tool | Launch Display 🚀 | Interactive display utility for visualizing typed ELiS character sequences. |
| 📘 Nel Fie's ELiS Cheatsheet | Download PDF 🚀 | Excellent, highly visual compact reference sheet serving as a quick guide for ELiS font characters. |
| 📦 ELiS Custom Font | Download Font (.TTF) 📥 | Modified TrueType Font optimizing diacritic placement and visographeme alignments. |
| ⌨️ Keyman Keyboard File | Download Keyboard (.KMP) 📥 | Ready-to-install Keyman system keyboard package for seamless system-wide ELiS input. |
The ASLwrite open-source iconic featural writing system for American Sign Language.
| App / Resource | Direct Launch Link | Key Features & Highlights |
|---|---|---|
| ⌨️ ASLwrite Keyboard | Open Keyboard 🚀 | Virtual keymap layout for typing ASLwrite directly in-browser using custom font rendering and Keyman helper keyboard. |
| 📦 ASLwrite Custom Font | Download Font (.OTF) 📥 | Custom OpenType Font designed for rendering ASLwrite characters. |
Interactive web studio interface for the stateless Cherology Text/Font PNG Rendering Service API.
| App / Resource | Direct Launch Link | Key Features & Highlights |
|---|---|---|
| 🖼️ PNG Rendering Studio | Launch Studio 🚀 | Live interactive rendering of SignFont, ELiS, ASLwrite, HamNoSys, and custom fonts into transparent PNGs with full styling controls and embedded metadata. |
| 🤖 HamNoSys 3D WebGL Avatar | Launch 3D Avatar 🚀 | Advanced WebGL 3D signing avatar utilizing ARP technology to dynamically play back notation signs. |
To view and type these notation systems natively on your desktop, mobile, or system applications, follow these simple steps:
Tip
Step 1: Install the Custom Fonts
- Download the custom font files:
- Open each downloaded file on your computer and click Install. This allows your system to render the sign notation symbols instead of normal Latin characters.
Note
Step 2: Install Keyman Keyboard for Typing
- Download and install the free, open-source Keyman Keyboard Manager.
- Download and double-click our keyboard bundle files to install them:
- You can now press standard keys to output the beautiful, custom sign notation visographemes in any document, browser, or chat window!