Apps similar to IdeaLog include Logseq, which is free and open source. Other options are Notesnook, Zettlr, Zim and TiddlyWiki. There's no shortage of Note-taking Tools like IdeaLog, with more than 25 alternatives for Windows, Mac, Linux, Android and the web.
Local-first, privacy-focused notebook supporting Markdown and Emacs Org mode. Offers offline use, encrypted backups, plugin extensibility, LaTeX support, real-time collaboration, and hierarchical organization for personal knowledge management.
United States
Offers open-source, end-to-end encrypted notes with device-based privacy, cross-platform support, private vault, secure sync, offline access, markdown editor, exports to multiple formats, automatic backups, organizational tools, and strong encryption.
Pakistan
Unified writing platform offering note-taking, easy citations with Zotero integration, LaTeX/Word templates, snippets, themes, dark modes, code highlighting, multi-language support, and knowledge management with Zettelkasten for seamless writing from notes to books.
Germany
EU
Zim brings the concept of a wiki to your desktop. Store information, link pages and edit with WYSISYG markup or directly typing some lightweight markup syntax and see it previewed as-you-type. Creating a new page is easy by either clicking on the "Create new note"...
NetherlandsEU
TiddlyWiki is a single html file with all the characteristics of a wiki - including all of the functionality (including editing, saving, tagging and searching) and the style sheet. Because its a single file, its very portable - you can email it, put it on a web server or share...
United Kingdom
Hierarchical note-taking software that is free, open-source, cross-platform. Features include rich text, syntax highlighting, multi-level lists, embedded files, customizable interface, code execution, PDF export, spell check, images & tables, and comprehensive project management support.
The original trilium is transfered to this repo by its owner and the app continues to develop here as stated here: https://github.com/TriliumNext/Trilium
Encrypted, privacy-focused digital storage with zero-knowledge architecture supporting document editing, notes, journals, and photo storage with raw DSLR support, live sync, markdown, code, LaTeX, to-dos, audio, tables, EPUB, PDF, and cross-platform access.
EstoniaEU
Markor is a TextEditor for Android, versatile, flexible, and lightweight. Markor utilizes simple markup formats like Markdown and todo.txt for note-taking and list management. It is versatile at working with text; it can also be used for keeping bookmarks, copying to clipboard...
AustriaEU
BookStack is a free and open source knowledge management platform built on PHP. The system has been built around simplicity to ensure that adding information to it is not a chore. The content structure is built on the metaphors of Books, Chapters & Pages.
United Kingdom
Plain text notepad with markdown support and todo list manager for Linux, Mac OS X and Windows, that works together with the notes application of ownCloud.
AustriaEU
A note-taking tool that gives you memory superpowers. It automatically generates flashcards from your notes and figures out the optimal time to practice each flashcard.
United States
