Open Source Mac Knowledge Management Software

WikidPad is a wiki-like notebook for storing your thoughts, ideas, todo lists, contacts, or anything else you can think of to write down.

Are you drowning in information, but starving for knowledge? Where do you keep your private remarks like ideas, personal plans, gift tips, how-tos, dreams, business vision, finance strategy, auto coaching notes? Loads of documents, sketches and remarks spread around the file system, cloud, web and Post-it notes? Are you affraid of your knowledge privacy? Are you able to find then once you create them? Do you know how are they mutually related when you read or write them? No? MindForger is open, free, well performing Markdown IDE which respects your privacy and enables security. It is actually more than an editor or IDE - it's human mind inspired personal knowledge management tool.

Civiilzer is a Dedicated Personal Knowledge Management Tool built by Java. You can use it for purposes such as a high level note application, document store, information hub, etc. With Civilzer's Markdown editor, you can edit text in Markdown format, but the editor provides a lot more additional features, so you can edit your content in a more stylish fashion. You can structure and organize your data with tagging, relating, bookmarking. Civilizer's full text search functionality is simple but powerful. You can search with simple space separated keywords as other tools, but unique Civilizer Search Operators can boost your search ability a lot further. Your search phrase can be fine-tuned as far as you can go. Another useful feature is its multi-panel view. It helps you view multiple data in the same screen eliminating the need to jump across separate pages. Also Civilizer has its own file system. You can store any file with Civilizer and link files to Civilizer's regular data.

GNU Hyperbole (pronounced Ga-new Hi-per-bo-lee), or just Hyperbole, is an amazing programmable hypertextual information management system implemented as a GNU Emacs package. This is the first public release in 2016. Hyperbole has been greatly expanded and modernized for use with the latest Emacs 25 releases; it supports GNU Emacs 24.4 or above. It contains an extensive set of improvements that can greatly boost your day-to-day productivity with Emacs and your ability to manage information stored across many different machines on the internet. People who get used to Hyperbole find it helps them so much that they prefer never to use Emacs without it. Hyperbole includes easy-to-use, powerful hypertextual button types and links that can be made without the need to learn a markup language. It also includes a hierarchical, record-based contact manager, a rapid window and frame control system and a powerful multi-level auto-numbered outliner.

Mindolph is an open source personal knowledge management software with Gen-AI support for all desktop platforms.

Nalasys is a natural language system that allows users to specify instructions to the computer in natural language. By defining words with intrinsic data the system recognizes, a user will be able to program a system using his own words. For now the system can use several programmatic languages like SQL, Javascript, Groovy or JSP expression language. It also has a default language with no keywords where you can add words defined with objects in memory or from other languages.

Personal information manager. Plain-text editor with hierarchical structure. Multiplatform. Supports Unicode.

StorySurfer is an application to write short stories, novels, scripts, other documents; handle creating/modifying project/story info, characters + their relationships, locations, items, timelines, submission tracking, ToDo list, & research notation.

A graphical text editor used to maintain a collection of pages, whose content is created by the user, but whose hierarchical structure is dictated by the directory structure.