Projects sharing features with Heynote

LightTable is an extensible source code editor and integrated development environment designed as an interactive programming environment. It enables the evaluation of programming language fragments in real time to provide instant feedback on expressions. The workspace functions as a remote execution environment, connecting to and managing external servers to run code within remote processes. It allows for an interactive workflow where users can execute code fragments and track expression values without restarting the environment. The system provides source code editing capabilities, includin

Markor is an Android text editor that handles Markdown, todo.txt, and plain text files, functioning as a note-taking and task management tool. It operates directly on the device's filesystem, storing content as plain files without a proprietary database, and integrates with third-party sync tools like Syncthing for cross-device file synchronization. The editor provides syntax highlighting for multiple formats, a live preview that converts markup to HTML in real-time, and the ability to export documents as HTML or PDF. It also includes a file browser with a user-selectable root folder and supp

Crayon Syntax Highlighter is a web-based tool designed to render source code snippets with language-specific color formatting and styling. It functions as a content management plugin that enables the insertion, configuration, and visual customization of code blocks directly within web editors. The project distinguishes itself through its ability to fetch and display source code from external URLs, local files, or direct text input. It supports complex rendering requirements, such as mixed-language parsing and the isolation of specific code segments within a single document. Users can control

This project is a community-curated directory of open-source software designed for deployment in private server environments and home labs. It serves as a comprehensive resource for discovering independent, self-hosted alternatives to mainstream cloud services, enabling users to maintain full data ownership and control over their digital infrastructure. The directory is structured through a hierarchical taxonomy that organizes a vast collection of applications into logical categories, ranging from media management and data analytics to private communication and team productivity tools. It dis

Lepton is a cross-platform snippet manager and cloud-synced code library designed to organize and synchronize reusable code fragments and text snippets across different operating systems. It functions as a developer productivity tool and a markdown-enabled code editor for managing technical documentation. The application supports synchronization via remote backends and private enterprise server instances, including GitHub Enterprise integration. It utilizes token-based authentication to secure private code repository syncing and ensures connectivity in restricted corporate environments throug

Vis is a terminal-based modal text editor that utilizes vi keybindings and a system of structural regular expressions. It functions as a scriptable environment where Lua is used for configuration, custom key mappings, and plugin development. The editor distinguishes itself through a syntax highlighting system based on Parsing Expression Grammars and a pattern matching engine that treats text as a structure for complex search and replace operations. It also integrates directly with the system shell, allowing users to pipe text ranges to external commands and capture the resulting output. The

Spacemacs is a community-driven configuration for Emacs that integrates modal text editing and a modular system for managing editor features. It implements distinct states for navigation and insertion to separate text manipulation from text entry, combining the efficiency of modal navigation with the extensibility of the Emacs environment. The project distinguishes itself through a layer-based feature composition system, which groups related third-party packages and configurations into modular units. This system includes dependency-based resolution to manage conflicting extensions and a mnemo

Lite is a scriptable plain text editor and programmable editing environment written in Lua. It provides a minimalist interface for opening, modifying, and saving plain text documents. The editor is designed for extensibility, allowing users to define custom commands and behaviors through external Lua script modules. It supports a plugin system where new features are integrated by placing modules in designated directories for automatic loading at startup. The project covers a range of customization capabilities, including personalized keyboard shortcut mapping and visual theme overrides for c

This project is a React-based rich text editor designed for authoring and managing markdown documents through a visual interface. It functions as a modular framework that renders markdown in real-time, allowing users to create structured content without manual syntax entry. The editor is built on a plugin-based architecture that enables developers to extend functionality while maintaining minimal application bundle sizes. It provides a comprehensive command interface for programmatic content manipulation and utilizes reactive state management to ensure the visual editing surface remains synch

tui.image-editor is a JavaScript image manipulation library and web-based photo editor. It provides a browser-based interface for cropping, resizing, and applying filters to images using the HTML5 Canvas API. The project is distinguished by its role as a canvas-based annotation tool, allowing users to add text, shapes, and freehand drawings as graphic overlays. It offers extensive UI customization through theme configuration, interface text localization, and the ability to replace default icons with custom SVG files. The library covers geometry manipulation, visual filter application, and im

This project is a metadata query engine and indexer for markdown files, designed to transform YAML frontmatter and inline fields into dynamic tables and lists. It provides a background process that extracts tags and custom fields into a searchable database, enabling the automated indexing of notes. The system is distinguished by its dual approach to data retrieval: a dedicated query language for SQL-like filtering and grouping, and a JavaScript data API. This API allows for programmatic metadata extraction and the creation of custom views and extensions using TypeScript typings. Its broader

PSReadLine is a command line editor, completion engine, history manager, and syntax highlighter for the PowerShell console. It provides a bash-inspired line editing experience that enables advanced cursor movement and text manipulation within the terminal. The project features a customizable input mapper for assigning keyboard shortcuts to specific actions and navigation logic. It includes a completion system that suggests matching commands through selectable menus or prefix-based matching. The tool covers real-time color coding for command text and error notifications to improve readability

eSearch is a desktop tool that combines screen capture, image annotation, screen recording, optical character recognition (OCR), and text search and translation into a single application. It is built around a modular architecture that coordinates these tasks through an event-driven capture pipeline, allowing users to capture screen regions, annotate them with drawing and shape tools, and then extract text using a local-first OCR engine or optional cloud services. The project distinguishes itself by integrating a command-line interface for triggering capture and recognition tasks, enabling scr

Gridea is a desktop application for writing Markdown blog posts and publishing them as a static site without needing a server. It stores all content as plain Markdown files and JSON in a local folder, compiles them into a static site, and deploys the result to multiple remote targets including GitHub Pages, Coding Pages, and SFTP servers. The application runs as a cross-platform Electron client, providing a native editing and publishing experience. It supports custom themes that can be selected, installed from a built-in marketplace, and configured with settings like social links and analytic

ShareX is a desktop utility designed for screen capture, image annotation, and automated file sharing. It provides a comprehensive suite of tools for capturing screen regions, windows, or scrolling content, and includes a layered image editor that allows users to manipulate, scale, and transform graphical elements and annotations directly on captured media. The application distinguishes itself through an event-driven post-capture pipeline that triggers automated workflows, such as image processing, external command execution, or file uploads, immediately after a capture event. Users can exten

This project is a collection of reference implementations and sample applications for desktop software development using Electron. It provides cross-platform boilerplates and practical code examples that demonstrate how to integrate web technologies with native operating system APIs. The repository serves as a feature showcase for implementing native system integrations, such as local file system access, process management, and custom window framing. It includes demonstrations for specialized capabilities like network request interception via service workers, screen and window capture, and th

vim.js is a professional modal text editor implementation designed for integration into web browsers and JavaScript-based applications. It emulates a Vim environment by providing modal editing workflows, keyboard shortcuts, and a state-machine-based input handler to toggle between command and insertion modes. The project enables the embedding of a full-featured text editor into host applications. It facilitates browser-based development by replicating the logic and memory management of a native text editor using JavaScript objects and functions. The editor includes capabilities for syntax hi

Ghostwriter is a distraction-free Markdown text editor and writing environment. It functions as a desktop application designed to minimize visual noise while authors compose long-form documents using Markdown syntax. The project integrates a live previewer that renders Markdown text into HTML in real time using a Webkit engine. It also serves as a document converter, allowing users to export Markdown files into various other formats through integrated processing tools. The software provides cross-platform text editing for Windows and Linux, built using the Qt framework for native performance

readme.so is a visual documentation builder and markdown editor designed to assemble and export structured project files. It functions as a README generator that allows users to create standardized landing pages for code repositories through a drag-and-drop web interface. The tool enables the arrangement of pre-defined content sections, such as installation guides and API references, into a final document layout. This process allows for the authoring of professional repository documentation and onboarding guides without writing raw markdown syntax. The system manages content through a compon

massCode is a local-first developer workspace application that combines a code snippet manager, a markdown knowledge base, and an HTTP client tool. It serves as a productivity suite for software engineers to consolidate reusable code fragments, technical documentation, and API collections within a single environment. The application distinguishes itself by integrating a developer utility suite for natural language calculations, sample data generation, and JSON visualization. It also includes visual project mapping capabilities, allowing users to create mind maps and sketch diagrams alongside

Dillinger is a browser-based Markdown HTML5 editor designed for real-time text editing and visual rendering. It functions as a cloud-synced writing tool that transforms markup syntax into live HTML previews, utilizing OAuth-integrated authentication to connect users with third-party services. The project distinguishes itself by integrating cloud document synchronization with external storage providers and offering direct publishing capabilities to platforms such as Medium. It also includes a dedicated Markdown-to-PDF converter for generating professional documents and a focus mode to create a

Foam is a personal knowledge management system that organizes information into a navigable web of interconnected markdown files. It functions as a knowledge graph tool, utilizing wiki-style bidirectional linking and metadata to track relationships between documents and concepts. By storing data in standard text files, the system ensures long-term portability and compatibility with external tools. The platform distinguishes itself through its integrated visualization and automation capabilities. It generates graphical maps of file connections to help users identify patterns and discover relati

Chroma is a syntax highlighter written in Go that converts raw source code into colorized text or HTML. It identifies programming languages and tokens using language-specific lexers to produce highlighted output for various environments. The project utilizes a theme-driven colorization system that decouples token types from final colors through an intermediate style mapping layer. This allows for custom code theming by mapping specific token categories to foreground and background colors. The system covers language identification, terminal text formatting for ANSI-compatible viewers, and web

Org-roam is an Emacs-based note-taking system that builds a bidirectional network of plain-text notes, functioning as a personal knowledge base manager. It maintains both forward and backlink references in a SQLite database, automatically updated on file save, and uses persistent unique identifiers for notes instead of file paths to enable stable links across renames and moves. The system integrates directly with Emacs through custom interactive commands and hooks that access the database and buffer state, and it generates static graphs of note interconnections using Graphviz to reveal relati

react-syntax-highlighter is a component for rendering source code with syntax highlighting in React applications. It acts as a wrapper for the PrismJS and Highlight.js engines to provide formatted code display and language-specific colors. The project provides a customizable code block renderer that supports custom DOM injection, line numbering, and inline styling. It allows users to replace default HTML tags with custom React components to control how code is injected into the document object model. The library covers code presentation management through visual themes and line numbering. It

CotEditor is a native macOS plain text editor designed for lightweight file modification and developer use. It is a desktop application built specifically for the macOS operating system to ensure high performance and system integration. The project functions as a text encoding manager, providing the ability to process and convert a wide range of plain text formats and legacy character encodings to prevent corruption and display errors. Its capabilities cover plain text editing, lightweight code editing for scripts and configuration files, and general macOS text processing.

Code-prettify is a browser-based tool and HTML syntax highlighter that adds visual formatting and line numbers to raw code blocks on web pages. It functions as a client-side code formatter and a customizable lexer library for defining language-specific highlighting rules. The system allows for the creation of custom lexers to provide syntax highlighting for proprietary or uncommon programming languages. Visual presentation is managed through custom code styling and the integration of external CSS stylesheets to define colors and fonts. The project provides automatic syntax highlighting and s