TiddlyRoam is described as 'Is your open source external brain. TiddlyRoam allows you to quickly create your own wiki. You can add fragments of thoughts and findings whenever they come to you. TiddlyRoam will link them and help you spot the patterns' and is a Note-taking tool in the office & productivity category. There are more than 50 alternatives to TiddlyRoam for a variety of platforms, including Mac, Web-based, Windows, Linux and Android apps. The best TiddlyRoam alternative is Logseq, which is both free and Open Source. Other great apps like TiddlyRoam are Notesnook, Zettlr, Zim and TiddlyWiki.