Open Source Java Note-Taking Apps

Makagiga is an open-source, easy-to-use, portable application for doing a variety of tasks, such as todo listing, text editing, or RSS reading. Plugins are used to implement its various capabilities.

GloboNote is a free and easy to use desktop note taking application. It lets you create sticky notes, to-do lists, journals, reminders and other notes in one place. There are no limits to the number of sticky notes you can create. Notes can be organize by groups and search using the search tool. GloboNote can be run in any OS that has Java 8 installed.

Hypernomicon is a personal productivity/database application for researchers that combines structured note-taking, mind-mapping, management of files (e.g., PDFs) and folders, and reference management into an integrated environment that organizes all of the above into semantic networks or hierarchies in terms of debates, positions, arguments, labels, terminology/concepts, and user-defined keywords by means of database relations and automatically generated hyperlinks (hence ‘Hyper’ in the name). Hypernomicon keeps track of all these things in a highly structured, thoroughly indexed and user friendly relational database, automatically generates semantic hyperlinks between all of them, and presents this information in many different forms so that you are constantly informed of ways all of your information is related that you had not realized.

Omni-Notes is a powerful open-source note-taking application for Android designed to be both smart and simple. It has a clean and simple Material Design interface and is packed with plenty of smart features. These include image, audio and generic file attachment, a To-do list, Google Now integration, numerous widgets and so much more. Omni-Notes takes note-taking to a whole new level, making it more convenient and integrated. It's an ideal note-taking application particularly for old Android phones without such apps, giving users an updated look and experience when taking down notes.

Docear (pronounced dog-ear) is what we call an “academic literature suite”. It integrates everything you need to search, organize and create academic literature in a single application: a digital library, reference manager, PDF and file manager, note taking and mind mapping. And the best: Docear works seemlessly with many existing tools like Mendeley, Microsoft Word, and Foxit Reader. Docear is free and open source, based on Freeplane, funded by the German Federal Ministry of Technology and developed by scientists from around the world, among others from OvGU, and the University of California, Berkeley.

UPDATE 2024: Get a new version here: https://github.com/ivoras/EncryptedNotepad2 "Encrypted Notepad" does only one thing, but aims to do it perfectly - a Notepad-like simple text editor where files are saved (and later loaded) encrypted with industrial strength algorithms. Available both for the desktop (as a Java application) and on Android. Unencrypted data is never stored on-disk. Source is released (on SourceForge) under the BSD license.

Freeplane is a widely used mind mapping tool. GTD is a time management methodology by David Allen. Freeplane GTD is an addon, that can collect tasks specified in a mindmap, thus allowing the users of Freeplane to use the concepts of GTD in their mind

Piggydb is a flexible and scalable knowledge building platform that supports a heuristic or bottom-up approach to discover new concepts or ideas based on your input. You can begin with using it as a flexible outliner, diary or notebook, and as your database grows, Piggydb helps you to shape or elaborate your own knowledge. Piggydb is a Web application provided as a self-contained package that contains a Web server and database engine. With Piggydb, you can create highly structured content by connecting knowledge fragments to each other to build a network structure, which is more flexible and expressive than a tree structure. Fragments can also be classified using hierarchical tags.

NoteLab is an advanced "digital notebook" specifically designed for tablet computers. With its stroke smoothing, antialiasing, and "smart rendering," NoteLab provides a beautiful and powerful note taking environment on any operating system.

An note taking program with WebDAV sync capabilities. It works on a local (and WebDAV) directory and shows the items (text/image/binary) in a tree view. Any changes are reflected in the file system directly. Features: - group notes and images in a tree structure (using folders) - can work on any directory on your machine - technically works like a file browser with inline text editing - synchronizes with any WebDAV server (optionally using SSL/TLS) - allows one-way and two-way synchronization - allows to encrypt your files locally and remote using AES256 - multi language support You can obtain the full source code at: https://crispy-cow.de/git/CrispySyncNote.git Latest changes: 2.1.0: Updated for Java 9 and up 2.0.2: Added more UI translation, updated greek language (thanks to geogeo) 2.0.1: Bugfix: Sync state is now copied when duplicating workspace due to change in encryption settings

A simple notebook with which you can quickly create notes.

A really basic notepad written in Java. It was developed for educational purposes, but I wish to share my work with the Community.

A lite note taking application which saves notes to a text file.

YSticky is a portable cross-platform reminder / sticky note application. It is very simple and its use recalls that of the real sticky notes in the following three steps: 1. create a new / take a note; 2. (re)edit it; 3. stick it. YSticky is developed in Java so needs the Java Virtual Machine (version 6 or higher) that, in the case, is very easy to download and install. It does not need installation since quickly creates and edits notes in the same directory of the executable.

Electronic Cerebral Cortex System - an external harddrive for your brain. An application for storing and organizing notes, images, todos, and calendar events.

This small application aims to to help the user take structured plain text notes one at a time. By design, the application aim to be as simple as possible to take a note without being distracted by bells and whistles. The application can also be used to record todos and journal entries. They are structured because they have consistent names ([type]-timestamp.txt), stored in one configurable path, and, optionally, their contents follow predefined formats (see the cnf file).

Jarnal is a plattform-indepenent programm written in Java for notetaking, sketching and PDF-/picture-annotating. It works like a normal notepad with the difference of being digital. It is thought to be used with a stylus on tablet-pcs.

KTNotes is a fast, advanced note-taking tool built for the Kindle Touch. With an emphasis on mathematical formulas, fractions and subscripts; the greek alphabet; and other Ǝxtra ∫pecial characters are available right on the main keyboard. Using prebuild binaries for the Kindle Touch of ffmpeg and mplayer, audio recording and playback of lectures are available right in the program. Finally, as KTNotes is built as a Kindlet, KTNotes is launchable right from the main page, with an easy installation sequence.

You own a Pegasus NoteTaker hardware based digital pen ? You only use Linux or Solaris ? Now, there is an alternative ! (Compatible with IRIS Notes, Dane-Elec magic pen and others). Drivers and application are provided !

Aimed at being the all-in-one note taking software written in Java. Featuring multiple notebooks containing unlimited pages and notes within. Rich-text, html, and screenshots. Optional password protection and encryption options.

Приложение представляет собой простой блокнот с шифрованием текста заметок пользователя. Войти в приложение можно только по логину и паролю, который также подвергается шифрованию. Для запуска программы рекомендуется использовать Java 8.

A Web-Application working in conjunction with the obby protocol to view documents written by other people live on a website, integrated with mediawiki and equipped with full LaTex support. It's main purpose is Real-Time Note-Taking at University

Pliny is a tool to support scholarly research by assisting with the creation, organisation and management of notes, annotations, and other scholarly resources.

A Java note taking application using multiple formats for the storing of notes. Notes are stored in a structure notebook. Features a JSP, Swing and CLI front-ends. Enables multiple users to use over a network.

QuickHandNote is a project which objective is the creation of a notetaking application especially designed for teaching purposes, thinking overall in electronic whiteboards, digital tablets and tablet pcs.