Webjets is described as 'Visual information management for creatives - Organize knowledge intuitively using cards and boards' and is a Todo List Manager in the Office & Productivity category. There are more than 100 alternatives to Webjets, not only websites but also apps for a variety of platforms, including iPhone, iPad, Mac and Android. Most alternatives are Todo List Managers and Kanban Boards. The best alternative is Joplin. It's not free, so if you're looking for a free alternative, you could try Google Keep or Microsoft OneNote. Other great sites and apps similar to Webjets are Trello (Freemium), Evernote (Freemium), Simplenote (Free, Open Source) and Todoist (Freemium).
Passfindr is a web based premium Personal knowledge base, Password manager and Bookmark manager application to securely store passwords and other sensitive information in a virtual vault locked with individual master passwords.
TakeNote was made by developers for developers - a simple, plain-text note-taking app for the web with Markdown support. What you see is what you paste. No WYSIWIG, no formatting pasted from the web, and no features you don't need or want.