Panning and zooming feel buttery smooth. Abstrao handles hundreds of nodes without lag, which is impressive for a browser-based tool. The auto-layout shortcuts (shift+click to align) are intuitive enough that I rarely reached for the mouse.
Real-time multiplayer works, but cursor tracking is delayed. Twice, I overwrote a teammate's note because their cursor hadn't caught up to their position. Also, no native video/voice chat inside the board. The Verdict Abstrao is not for casual list-makers. It is for people who think in systems and get frustrated when tools force them into either "too loose" or "too rigid." abstrao
If you are a solo developer, technical writer, or small product team that values structure emerging from chaos, Abstrao is worth the subscription ($12/user/month as of this review). Panning and zooming feel buttery smooth