CrocodileNote is described as 'Take simple text notes. You can put them into folders to create your own quick, easy and robust file structure'. There are more than 100 alternatives to CrocodileNote for a variety of platforms, including Windows, Mac, Online / Web-based, Android and iPhone. The best alternative is Joplin. It's not free, so if you're looking for a free alternative, you could try Standard Notes or Google Keep. Other great apps like CrocodileNote are Microsoft OneNote (Freemium), Evernote (Freemium), Simplenote (Free, Open Source) and CherryTree (Free, Open Source).
Keepmark allows you to organize your files, documents, emails, bookmarks, tasks and generally - resources. Its also an efficient solution for finding your resources by names, meta-data and document content.
Notational Velocity is a mouseless application for storing and retrieving notes. With Notational Velocity, searching for notes is not a separate action; rather, it is the primary interface. Searching encompasses all notes content and occurs instantly with each key pressed.
Foam is a personal knowledge management and sharing system inspired by Roam Research, built on Visual Studio Code and GitHub. You can use Foam for organising your research, keeping re-discoverable notes, writing long-form content and, optionally, publishing it to the web.
NixNote, formerly Nevernote, is an open source client for Evernote . It is written in Java so it will also run on Windows & OS-X, but the primary focus has been to try and get a usable environment for Linux.
ColorNote is a simple notepad app. It give you a quick and simple notepad editing experience when you write notes, email, message, shopping lists and todo lists. ColorNote makes taking a note easier than any other notepad apps.
myBase is a unique free-form database software that allows entry of unstructured text, webpages, images, documents, emails and even arbitrary files without regard to length or format. All information is automatically compressed and stored in the tree structured outline form.
Quip is a modern word processor that enables you to create beautiful documents on any device, including the iPad, iPhone, and the desktop. It combines documents and messages into a single chat-like “thread” of updates — making collaboration easy.