Based on our record, FreeMind should be more popular than Scrintal. It has been mentiond 3 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
I shall mention other PKM apps that catched my attentions, Heptabase and Scrintal, and again, paywalled. Even I could not able to try them at first glance. Source: over 1 year ago
Freemind and Freeplane are two mind mapping applications that have been around for years. Source: over 1 year ago
Download: https://sourceforge.net/projects/freemind/. Source: almost 3 years ago
Some others you might be interested in are yEd, or Freemind or other mind-mapping software. Possibly see whether BPMN is relevant. Source: about 3 years ago
xTiles App - A web note-taking app for creative people that combines the best from text editors and whiteboards. Think, write, and organize your thoughts based on cards and tabs. Structure and enrich all of your ideas in one place.
Xmind - Xmind is a brainstorming and mind mapping application.
OneNote - Get the OneNote app for free on your tablet, phone, and computer, so you can capture your ideas and to-do lists in one place wherever you are. Or try OneNote with Office for free.
MindMeister - Create, share and collaboratively work on mind maps with MindMeister, the leading online mind mapping software. Includes apps for iPhone, iPad and Android.
Notion - All-in-one workspace. One tool for your whole team. Write, plan, and get organized.
MindManager - With MindManager, flexible mind maps promote freeform thinking and quick organization of ideas, so creativity and productivity can live in harmony.