Features
Everything Martech Stack Builder does, grouped by the job it helps with. Each entry shows the lowest plan that includes it and links to the page that covers it in depth.
Map your stack
Get the stack out of people’s heads and onto one diagram that shows how data moves.
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Visual stack builder
FreeDrag any of 350+ vendors onto a canvas and draw the connections between them.
3 saved stacks; 20 on Pro
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Stack templates
FreeStart from one of 10 reference stacks we built, where every connection is already named and documented.
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Describe the business in plain English and get a first draft in which every connection has all seven integration fields filled in.
3 generations; Pro has a monthly AI allowance
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Scan a site with the Event Watcher extension and open the tracking tools it finds as a diagram.
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Connection details
FreeRecord how each integration runs: mode, frequency, auth method, owner, and how stale its data may get before something breaks.
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Lenses
FreeRecolour the same diagram by PII handling, consent, owner, cost, lifecycle stage, pace layer, utilization, integration mode or auth method.
Platform and Owner; the rest on Pro
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Trace data flow
FreeClick a tool to light up everything upstream and downstream of it.
25 traces; unlimited on Pro
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Live vendor status
FreeSee on the canvas when a vendor in your stack is degraded or down, and get an alert in the app and by email when it has an outage.
Evaluate and audit
Find the overlaps, the gaps and the weak connections, with the reasoning shown.
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Instant stack audit
FreeTick the tools you pay for and get a grade, the overlapping pairs and an estimate of recoverable spend, with no account.
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Stack evaluation
FreeAn A–F grade computed from duplicated capability, with a keep, evaluate or remove call for each tool.
5 runs; Pro has a monthly AI allowance
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Flag connections that can’t deliver the freshness the next tool needs, or critical paths with no authentication.
Checks against signed SLAs on Enterprise
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Consolidation case
FreeSee which tools duplicate each other by capability and what cutting one would save.
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Vendor research
FreeShortlist alternatives, compare vendors on capability, read a research brief, and ask whether your stack can do a given job.
3 alternatives and 3 comparisons; Pro has a monthly AI allowance
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Vendor directory
FreeBrowse 350+ vendors by category and capability, with alternatives and head-to-head comparisons.
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Capability evidence
FreeOver 6,800 records of which vendor does what, 94% of them linked to the vendor’s own documentation. The overlap checks and the alternatives read from them.
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Stack chat
FreeAsk questions about the stack on your canvas and get answers that name its tools and connections.
10 messages; Pro has a monthly AI allowance
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Privacy audit
ProSeverity-rated privacy findings for your stack against GDPR, CCPA and HIPAA, each with a fix.
Costs and contracts
Know what the stack costs, when each contract renews, and what each vendor has promised.
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Stack costs and renewals
ConsultantTrack contract value, seats and renewal dates per tool, forecast spend, and see where licences go unused.
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AI cost analysis
ProA written read of where the money goes and which savings are realistic.
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Contract and SLA management
EnterpriseUpload contracts, SLAs and DPAs; key terms such as renewal dates, uptime and penalties are extracted onto the vendor’s node.
Beta teams keep access
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Ask your contracts
EnterpriseAsk a question about your agreements and get the answer with the clause it came from.
Beta teams keep access
Procurement (RFI)
Run a vendor selection from requirements to a scored recommendation.
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RFI builder
ProA guided questionnaire turns your requirements into a complete RFI with a weighted scoring rubric.
First RFI included; unlimited on Consultant
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Score responses criterion by criterion, send scoring links to colleagues, and compare vendors side by side.
With your first RFI; included on Consultant
Plan and govern change
Decide what changes, in what order, and who signed it off.
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Turn a target stack into phased work with dependencies and effort.
2 runs; Pro has a monthly AI allowance
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Diff two stacks, or a stack against an earlier version, and see what was added, removed or changed.
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Workspace rollouts
ConsultantSequence your phase diagrams into a staged migration and step through the tools, cost and risk that change at each phase.
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Change requests and approvals
ConsultantPropose a change to the stack, assign tasks, and record who approved it.
Solo on Consultant; approvers and assigned tasks on Agency and Team
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Version history
FreeGo back to any autosaved version, and name checkpoints before a big change.
3 versions; checkpoints on Pro
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Audit log
TeamA record of who changed what in the workspace.
30 days on Team and Agency; 365 days and CSV export on Enterprise
Team and sharing
Work on the stack together and put it in front of the people who need to see it.
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Team workspaces
TeamA shared library of stacks with roles, departments and free guest seats.
Also in every client workspace on Agency
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Discuss a tool or a connection on the canvas and pull a colleague in with an @mention.
Also on Agency
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Notifications
FreeHear about vendor outages, renewals, RFI deadlines and change requests in the app, by email or in Slack.
Each alert follows its feature’s plan; Slack on Team
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Phone companion
FreeApprove change requests, update tasks, prepare a renewal call and ask about a stack from your phone. Installs from the browser; editing stays on desktop.
Renewal brief on Consultant; push on iPhone once added to the Home Screen
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Share a read-only link, or export the diagram as PNG, SVG, JSON or CSV.
PNG and SVG carry a small credit line; no credit line, PDF reports and protected links on Pro
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Branded client reports
ConsultantPut your own logo on the reports and exports you hand to clients.
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Enterprise controls
EnterpriseEnforced MFA, per-workspace encryption of contracts, and 365-day audit logs for security review.
Integrations and AI clients
Take the stack into the tools your team already works in.
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Connect an AI assistant in Settings → Connections and ask about your stacks, costs, RFIs and renewals. Read-only.
Proposals on Team; agreements on Enterprise
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Slack
TeamRoute alerts to the right channels and ask your contracts a question with /msb ask.
Also on Agency; /msb ask on Enterprise
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JIRA
TeamPush roadmap items and change requests to JIRA as stories with subtasks.
Also on Agency
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Embed a live, read-only stack diagram in a Confluence or Notion page.
Plans and who it’s for
Limits for every plan, side by side, are on the Martech Stack Builder pricing page. How the product fits a particular role:
Ready to build your case?
Join martech professionals at Emirates, Specsavers, and growing agencies who plan their stacks here.
No credit card required. Free plan available.