Pathfork is an open-source writing tool that helps you keep track of your stories, characters, and settings. You can find it at https://pathfork.herokuapp.com.
Very much open to collaborators. There's a trello with a to-do list if you'd like to be added.
Pathfork writing tools, copyright (c) 2017 Tynan Burke
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, version 3.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.