Knowledge base that works with a SQLite db file.

Note taking application with markdown editor and encryption support for mobile and desktop platforms. Runs client-side and syncs through a self hosted Nextcloud instance or similar (alternative to Evernote).

Cross-platform hierarchical note taking application with focus on building large personal knowledge bases (fork of Trilium Notes).

Web-based collaborative LaTeX editor.

Collaborative note taking, wiki and documentation platform that scales.

A personal note tool with AI features.

Diagram software for making flowcharts, process diagrams, org charts, UML, ER and network diagrams.

Realtime collaborative markdown notes on all platforms, formerly known as CodiMD and HackMD CE.

Simple and private notes app. Protect your privacy while getting more done. That's Standard Notes.

Note-taking application optimized for people with a hacker mindset.

Realtime collaborative notebook app based on Markdown that supports running Elixir code snippets, TeX and Mermaid Diagrams. Easily deployed using Docker or Elixir.

Database-less note-taking web app that utilises a flat folder of markdown files for storage.

Markdown note-taking app with plain-file storage, graph view, and MCP integration (alternative to Obsidian, Notion).

Lightweight but powerful alternative for managing your personal, file based, notes and checklists.

File sharing + sync, notes, and photos (alternative to Nextcloud and ownCloud's RSS reader).

Lightweight distraction-free text editor, in the browser (Markdown and LaTeX supported). No lag when writing.

Markdown note-taking web application designed for simplicity.

Minimal web-based Markdown notes app.

Encrypted diary Web application to save your personal memories of each day. Includes a search function and encrypted file upload.

Modern note taking application for the cloud, utilizing the best features of progressive web apps technology.

Modern note taking application for the cloud, utilizing the best features of progressive web apps technology.

Markdown notes taking app with live preview, document encryption, multi-user support, multi-organization capabilities and more.

Collaborative writing, worldbuilding and D&D-session-planning app. Tools for organizing your notes and stories.

Totally private personal database and note taking app.