Markdown Viewer is a Markdown editor that works across web browsers, desktop environments, and via a single shared URL. It offers GitHub-style Markdown editing with live preview, diagram support, LaTeX rendering, syntax highlighting, PDF export, and multi-tab functionality, with builds available for web, desktop, and Docker platforms.
REXPaint is an ASCII art editor from Grid Sage Games for creating ANSI block and line art, roguelike mockups and maps, and UI layouts. It offers separate editing of characters, foreground, and background colors, shape and text tools, layers, palette manipulation, a true-color picker, custom fonts and tilesets, and export to PNG and other formats. It is Windows-only and was originally an in-house development tool.
Columns is a list manager for organizing thoughts, notes, tasks, projects, watchlists and plans. The site describes lists as useful for planning, tracking, noting and managing, with a linear, column-based structure similar to mind maps. It presents example uses such as roadmaps, recipes, teamwork, novels, podcast schedules and checklists. The site states it is not a task manager.
MindForger is a desktop application for Linux presented as a thinking notebook and Markdown editor for personal knowledge management. It stores notes in Markdown, computes associations between notes locally, and automatically turns notebook and note names in text into links in the preview. It is also available for other platforms through packages listed in its installation documentation.
Socket.IO is a library that enables real-time, bidirectional and event-based communication between the browser and the server. It consists of a Node.js server and a JavaScript client library, with additional community-maintained client implementations in other languages. The client establishes a WebSocket connection when possible and falls back on HTTP long polling. The library offers auto-reconnection support and can send events to all connected clients across multiple servers.
Etherpad is a real-time collaborative document editor that runs on the user's own server. Every keystroke is attributed to its author and revisions are preserved, with a timeslider for reviewing a document's history. The Apache 2.0 code supports plugins for comments, images, tables, drawing, video chat, authentication and optional AI features.
Notepad++ is a free source code editor and Notepad replacement that supports several programming languages. It runs in the MS Windows environment, is governed by the GNU General Public License, is written in C++, and is based on the Scintilla editing component.
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REXPaint is an ASCII art editor from Grid Sage Games for creating ANSI block and line art, roguelike mockups and maps, and UI layouts. It offers separate editing of characters, foreground, and background colors, shape and text tools, layers, palette manipulation, a true-color picker, custom fonts and tilesets, and export to PNG and other formats. It is Windows-only and was originally an in-house development tool.
Columns is a list manager for organizing thoughts, notes, tasks, projects, watchlists and plans. The site describes lists as useful for planning, tracking, noting and managing, with a linear, column-based structure similar to mind maps. It presents example uses such as roadmaps, recipes, teamwork, novels, podcast schedules and checklists. The site states it is not a task manager.
MindForger is a desktop application for Linux presented as a thinking notebook and Markdown editor for personal knowledge management. It stores notes in Markdown, computes associations between notes locally, and automatically turns notebook and note names in text into links in the preview. It is also available for other platforms through packages listed in its installation documentation.
Socket.IO is a library that enables real-time, bidirectional and event-based communication between the browser and the server. It consists of a Node.js server and a JavaScript client library, with additional community-maintained client implementations in other languages. The client establishes a WebSocket connection when possible and falls back on HTTP long polling. The library offers auto-reconnection support and can send events to all connected clients across multiple servers.
Etherpad is a real-time collaborative document editor that runs on the user's own server. Every keystroke is attributed to its author and revisions are preserved, with a timeslider for reviewing a document's history. The Apache 2.0 code supports plugins for comments, images, tables, drawing, video chat, authentication and optional AI features.
Notepad++ is a free source code editor and Notepad replacement that supports several programming languages. It runs in the MS Windows environment, is governed by the GNU General Public License, is written in C++, and is based on the Scintilla editing component.
