Reviewers mostly see FuseBase as a flexible all-in-one workspace that works well for notes, internal documentation, project management, and especially client portals. They often praise its clean interface, easy sharing, strong organization, and useful AI for tasks like summarizing, drafting content, and reducing routine admin work; the Chrome extension also gets specific praise. Still, a minority of users report serious issues: slow performance, weak basics, poor support, sync and loading problems, limited export, and some missing or unclear details around pricing, integrations, mobile features, and customization.