Roam Research vs Titan

Roam Research is a note-taking tool for networked thought. Instead of organising notes in folders, you write in daily notes and connect ideas with bidirectional links, so every page automatically shows everywhere it is mentioned.

This approach helps researchers, writers and students discover connections between ideas over time and build a rich knowledge graph. Roam supports block references (reusing a single paragraph in many places), outlining, queries and a graph overview of your database. It became one of the tools that popularised the "tools for thought" and second-brain movement.

Good fit if you: think in connections and want a flexible, link-first system for research and long-term th…

Titan is an AI assistant that runs as a real Mac app rather than in a browser tab. You talk to it, it sees the screen you are looking at, and it can act inside the apps you already use, such as Notion, Mail, Calendar, Spotify, Chrome, Terminal, Slack, Linear and GitHub. It can also remember what you tell it, so conversations don't start from nothing every time.

Because Titan sees your live screen, you can ask things like "what does this error mean" without uploading a screenshot. It can open things, fill things in and send things, and it can point at what it means by drawing on the screen you are already looking at.

Pricing: Titan is free to download and free to start, with a small mon…