Ncrypt is described as 'org is a free, open-source, and privacy-focused online notepad. Access your notes from any web browser on any device. Private' and is an website in the Office & Productivity category. There are more than 100 alternatives to Ncrypt, not only websites but also apps for a variety of platforms, including Windows, Mac, 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 sites and apps similar to Ncrypt are Obsidian (Free Personal), Microsoft OneNote (Freemium), Evernote (Freemium) and Simplenote (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.
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.