Apps similar to Dashup include Logseq, which is free and open source. Other options are Cryptee, QOwnNotes, Quire and OpenProject. There's no shortage of Todo List Managers like Dashup, with more than 25 alternatives for the web, Mac, Windows, iPhone and iPad.
Heptabase is a visual note-taking tool that helps you make sense of your learning, research, and projects. It helps you get into the flow of thinking and brings together everything you need to do better research.
United States
You can keep notebooks stored in plain-text and have them synchronized with a directory on your mobile device, SD card, Dropbox, or over WebDAV.
United States
Amplenote allows you to take notes and link those notes to functional task and contacts lists for seamless project management. It supports integration with Google and Outlook calendars to schedule tasks and allows e-mail integration as well.
United States
Transform team work habits with an intuitive platform offering customizable workflow solutions, enterprise-grade security with certifications, and features that imbue data ownership, ensuring privacy and control across global processes.
Israel
A new medium for your ideas—augment your thinking with a text editor designed for structuring lists. Side-by-side views allow 3 modes of thinking.
United States
Supernotes, is a new way to create notes and collaborate with your friends. Quickly create note-cards with diverse content from task lists to maths equations, with full markdown and LaTeX support. You can tag your cards, find relevant keywords, and sort your cards in an instant.
United Kingdom
MeisterTask is the most intuitive task management and collaboration tool on the web. Sign up, invite your team and start working. No training required.
Germany
EU
Zavala is a modern take on a traditional outliner. It supports all the things you want in a Mac app like multiple windows, keyboard shortcuts, a customizable toolbar, and a full menu bar.
Encryptic is an open-source note-taking application heavily focused on encryption. When you start writing, no one will know what you write except for you. We don’t know and we don’t want to know. That’s between you and your work.
United Kingdom
Tinotes is an open platform to store and organize your ideas, memories and plans. Use components you know from other apps — notes, lists, multimedia, editors etc… Combine them freely and compose a unique desktop to match your current requirements.
