Vitamin-R Alternatives

Introducing SuperNotecard. SuperNotecard is an online writing tool that features virtual notecards to help arrange facts or scenes, track details, organize paragraphs, and clarify your composition process.

A macOS/iOS apps to treat ideas as links of concepts.

Flagsmith lets you manage feature flags and remote config across web, mobile and server side applications. Deliver true Continuous Integration. Get builds out faster. Control who has access to new features. We're Open Source.

Try for free Open Source freemium

Freeplane is a powerful and free software for building mind maps.

OmniOutliner is a writing app for collecting information, outlining ideas, adding structure to any sort of writing.

VYM (View Your Mind) is a tool to generate and manipulate maps which show your thoughts.

Single-user mockup / wireframing / diagramming tool

Open Source

Visual Understanding Environment (VUE) is a mind-mapping and concept-mapping tool.

Download a free trial of PDF Expert - the best PDF software for your Mac. Enjoy advanced reading layouts, powerful PDF editing and classical annotation tools.

A minimal Markdown reading & writing app.

Open Source

LearnItFast solves the problem of forgetting of online courses and study notes.

Marked takes Markdown text–a simple syntax you can learn in minutes–and turns it into beautiful...

Scapple is an easy-to-use tool for getting ideas down as quickly as possible and making connections...

New Tab page that gives you a moment of calm and inspires you to be more productive.

Open Source