note-taking and editor tool

Overleaf - Web-based collaborative LaTeX editor. AGPL-3.0 Ruby

The private and flexible writing app that adapts to the way you think.

Trilium Notes - Trilium Notes is a hierarchical note taking application with focus on building large personal knowledge bases. AGPL-3.0 Nodejs/Docker/K8S

Joplin - Joplin is a note taking application with Markdown editor and encryption support for mobile and desktop platforms. Runs client-side and syncs through self hosted Nextcloud or similar (alternative to Evernote). MIT Nodejs

draw.io - Diagram software for making flowcharts, process diagrams, org charts, UML, ER and network diagrams. Apache-2.0 Javascript/Docker

kiwix-serve - HTTP daemon for serving wikis from ZIM files. GPL-3.0 C++

dillinger - The last Markdown editor, ever. MIT Nodejs

Memos - An open source, self-hosted knowledge base that works with a SQLite db file. MIT Docker/Go

An open-source, lightweight note-taking service.

HedgeDoc - Realtime collaborative markdown notes on all platforms, formerly known as CodiMD and HackMD CE. AGPL-3.0 Docker/Nodejs

minimalist-web-notepad - Minimalist notepad.cc clone. Apache-2.0 PHP

Livebook - Realtime collaborative notebook app based on Markdown that supports running Elixir code snippets, TeX and Mermaid Diagrams. Easily deployed using Docker or Elixir. Apache-2.0 Elixir/Docker

Dnote - A simple command line notebook with multi-device sync and web interface. AGPL-3.0 Go

Note Mark - A minimal web-based Markdown notes app. AGPL-3.0 Docker

Benotes - An open source self hosted notes and bookmarks taking web app. MIT PHP/Docker

Meemo - Personal notes stream with Markdown support. MIT Nodejs

Oddmuse - A simple wiki engine written in Perl. No database required. GPL-3.0 Perl

Plainpad - A modern note taking application for the cloud, utilizing the best features of progressive web apps technology. GPL-3.0 PHP

Standard Notes - Simple and private notes app. Protect your privacy while getting more done. That's Standard Notes. GPL-3.0 Ruby

turndown - HTML to Markdown converter written in Javascript. MIT Javascript

Turtl - Totally private personal database and note taking app. GPL-3.0 CommonLisp

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

flatnotes - A self-hosted, database-less note-taking web app that utilises a flat folder of markdown files for storage. MIT Docker

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