FuseBase
AI-powered client portals and workspaces that unite teams, clients and partners in one collaboration hub.
What is FuseBase?
FuseBase (formerly Nimbus) is an AI workspace platform for building secure client portals, internal workspaces and AI agents in one place. It combines a drag-and-drop page builder, knowledge base, built-in CRM, e-signatures, forms and file sharing with white-label client-facing portals. Teams use it to centralise documents, automate workflows and collaborate with external clients and partners through branded hubs. The platform offers a free tier alongside paid plans and a custom enterprise option.
Key Features
AI agents
Autonomous AI assistants that handle automation, task management and chat across workspaces.
Client portals
White-label portals, deal rooms and partner or vendor portals for external collaboration.
Page builder
Drag-and-drop builder for creating pages, dashboards and knowledge bases.
Built-in tools
Integrated CRM, e-signatures and forms to manage client work without extra software.
Meeting transcription
AI transcription of meetings with smart trackers, measured in hours per plan.
Workflow automation
Automation runs that trigger actions and connect tasks across the workspace.
Browser extensions
Chrome, Edge and Chromium extensions for AI assistance, voice typing and step-by-step guides.
Pros & Cons
Advantages
- Combines internal workspaces and external client portals in a single tool, reducing the need for separate apps.
- Free tier and a one-code AppSumo lifetime deal make it accessible for solo users and small teams to try.
- White-label portals on higher plans let agencies present a branded experience to their clients.
- Strong security and compliance posture, including SSO, 2FA, encryption, HIPAA and SOC 2 Type II support.
- Broad feature set covering CRM, e-signatures, forms, transcription and automation in one subscription.
Limitations
- The wide range of features and AI request, portal and automation limits can take time to learn and configure.
- Per-month pricing rises steeply between tiers, from 32 dollars for Solo to 332 dollars for Advanced.
- Unlimited portals, clients and the top Unlimited plan require contacting sales rather than self-serve checkout.
- No dedicated desktop or mobile apps are highlighted on the homepage, with the focus on web access and browser extensions.
Use Cases
Agencies and consultants run branded client portals to share deliverables, files and updates in one place.
Internal teams build a knowledge base and workspace to document processes and onboard staff.
Sales teams use deal rooms and the built-in CRM to manage prospects and collect e-signatures.
Service businesses automate repetitive client workflows with AI agents and automation runs.
Professionals transcribe and summarise client meetings using the built-in AI transcription tools.