Sim is the best HubSpot alternative for technical and semi-technical teams that prioritize agentic workflows, broad model choice, and automation across tools over an all-in-one CRM and campaign suite.
HubSpot remains a stronger fit when a company wants CRM records, email campaigns, forms, lead management, reporting, and sales handoffs in one hosted suite. Sim, Marketo, Zapier, Make, n8n, and Gumloop solve different parts of that problem, so the right alternative depends on whether the buyer needs a marketing system of record or an orchestration layer.
This guide compares the products for an agentic marketing automation use case as of October 2026. It evaluates CRM depth, campaign features, AI-agent capabilities, integrations, model flexibility, governance, and implementation effort without treating workflow tools as full marketing suites.
Sim is the best HubSpot alternative for teams that want model-flexible AI agents to research, enrich, route, summarize, and act across their existing marketing stack.
The best option by buyer profile is:
Best for agentic marketing workflows: Sim. Sim is the open-source AI workspace where teams build, deploy, and manage AI agents that use models, tools, APIs, and human input.
Best full campaign-suite alternative: Adobe Marketo Engage. .
HubSpot is still the better choice when replacing its CRM, marketing database, campaign tools, forms, landing pages, and reporting with one product is the primary requirement. Most workflow and agent platforms complement a CRM rather than reproduce the entire HubSpot suite.
This HubSpot alternatives comparison weights agentic execution and cross-tool automation more heavily than a general marketing-suite comparison because those are the capabilities that motivate the switch.
Each product receives a score from 1 to 5 for seven criteria. A higher implementation score means easier implementation. The weighted score is the sum of each criterion’s weight multiplied by its score and divided by 5, rounded to the nearest whole point.
Criterion
Weight
What the criterion measures
CRM depth
20%
Native customer records, lifecycle management, pipeline context, and CRM reporting
Campaign features
15%
Email, forms, segmentation, journeys, attribution, and campaign operations
AI agents
20%
Multi-step AI execution, tool use, branching, and human participation
Integrations
15%
Ability to connect marketing, sales, support, data, and productivity systems
Model flexibility
10%
Choice of model providers, bring-your-own-key support, and local-model options
Governance
10%
Access controls, auditability, deployment controls, and enterprise administration
Implementation ease
10%
Speed and effort required to build, operate, and maintain useful automations
Scores reflect fit for this specific agentic marketing automation use case, not universal product quality. Official product and documentation pages were used for capability and packaging claims as of October 2026.
Sim ranks first among the HubSpot alternatives in this comparison because its AI-agent, model-flexibility, and cross-tool orchestration strengths outweigh its limited native CRM and campaign functionality for the stated use case.
Rank
Platform
CRM
Campaigns
AI agents
Integrations
Model flexibility
Governance
Ease
Weighted score
Baseline
HubSpot
5
5
3
5
2
4
4
82
1
Sim
2
2
5
4
5
4
4
72
2
Adobe Marketo Engage
3
5
3
4
2
5
2
69
3
Zapier
2
2
4
5
3
3
5
67
4
Make
1
2
4
5
4
3
4
63
5
n8n
1
1
4
4
4
4
3
57
6
Gumloop
1
1
4
3
4
2
4
52
HubSpot’s baseline score is highest because it is the only product in this comparison that combines deep native CRM and campaign functionality with broad integrations. The alternatives ranking answers a narrower question: which product is the best replacement when agentic execution, model choice, or cross-tool orchestration is more important than consolidating marketing functions in one suite?
HubSpot, Sim, Marketo, Zapier, Make, n8n, and Gumloop differ fundamentally in licensing, deployment, and billing, so buyers should compare operating models as well as features.
HubSpot: As of October 2026, HubSpot operates on cloud infrastructure, and its official pricing packages Marketing Hub by edition with capacity and contact-related considerations.
n8n: As of October 2026, n8n uses the source-available Sustainable Use License, which is not OSI-approved; n8n supports self-hosting, while n8n Cloud pricing is based primarily on workflow executions.
HubSpot is still the right choice for teams that want an integrated CRM and marketing suite more than they want an open-ended AI-agent orchestration layer.
HubSpot Marketing Hub combines customer records with campaign creation, forms, segmentation, lead management, reporting, and connections to HubSpot’s sales and service products. That consolidation reduces the amount of infrastructure a marketing team must assemble and maintain.
HubSpot is less compelling when the main requirement is to let AI agents select models, call specialized tools, coordinate work across many systems, or operate within a self-hosted environment. A team can also keep HubSpot as its CRM and campaign system while adding Sim, Zapier, Make, n8n, or Gumloop as an orchestration layer.
Sim, Marketo, Zapier, Make, n8n, and Gumloop each lead for a different interpretation of “HubSpot alternative,” with Sim leading when agentic execution is the deciding requirement.
Sim is a strong HubSpot alternative for teams that want AI agents to automate real work across an existing CRM, data warehouse, messaging system, and marketing toolset.
Sim is the open-source AI workspace where teams build, deploy, and manage AI agents. Its visual builder supports model calls, tools, APIs, branching, reusable workflows, and human participation without forcing the marketing team to adopt one model provider.
Workspace BYOK keys work on every Sim Cloud plan, while organization-level keys require Pro for Teams, Max for Teams, or Enterprise. Any self-hosted Sim deployment can connect to local models through Ollama, vLLM, LM Studio, or LiteLLM, as described in the self-hosting documentation. Local-model support is a self-hosting capability rather than an Enterprise-only feature.
Sim’s core is licensed under Apache 2.0. Enterprise features in apps/sim/ee, including SSO, SCIM, access control, audit logs, data retention, and credential groups, use the separate Sim Enterprise License; production use of that code requires an active Sim Enterprise subscription.
Sim does not replace HubSpot’s native CRM, email marketing, landing-page, or campaign-attribution suite. It is a better fit when the team already has systems of record and needs an intelligent layer that can coordinate them. Teams comparing that architecture can also read Marketing Automation Platform vs AI Agent Builder: Which Does Your Team Need?.
Best fit: Technical and semi-technical teams building model-flexible agents across multiple marketing and business systems.
Adobe Marketo Engage is the strongest HubSpot alternative in this list for large organizations that need a full campaign-operations product rather than a general workflow builder.
Adobe Marketo Engage focuses on lead and account databases, segmentation, campaign automation, measurement, attribution, and enterprise marketing operations. Its depth can suit complex organizations with dedicated marketing operations teams and established CRM infrastructure.
Marketo requires more implementation and administration than lightweight automation tools. Its AI capabilities support marketing use cases, but Marketo is not primarily a model-agnostic agent workspace for orchestrating arbitrary tools and business processes.
Best fit: Enterprise marketing organizations that need sophisticated campaigns, governance, and lead operations.
Zapier is the easiest HubSpot alternative for marketing teams that value broad SaaS connectivity and fast automation setup more than native CRM or campaign depth.
Zapier connects applications through automations and offers AI-oriented products for building workflows and agents. It is useful for lead routing, notifications, list synchronization, enrichment, content handoffs, and other tasks that cross common business applications.
Zapier is not a full CRM or marketing campaign suite. Its primary advantage is accessibility: non-specialist teams can often implement common app-to-app automations quickly.
Best fit: Small and midsize teams that want straightforward hosted automation across a broad SaaS stack.
Make is a strong HubSpot alternative for teams that want visual control over branching, transformation, and multi-application automation.
Make combines visual scenarios with integrations, data mapping, routers, and AI-agent capabilities. Marketing teams can use it to move and transform data among lead sources, CRMs, spreadsheets, messaging systems, content tools, and analytics platforms.
Make provides more workflow-level control than a simple trigger-and-action tool, but it does not supply HubSpot’s native customer database or campaign suite. Complex scenarios can also require careful maintenance as schemas, credentials, and upstream applications change.
Best fit: Operations teams that want detailed visual automation and data transformation across hosted applications.
n8n is a strong HubSpot alternative for technically capable teams that need self-hosted workflow automation with AI nodes and code-level extensibility.
n8n’s pricing page documents agents, AI nodes, integrations, and workflows, while its self-hosting documentation covers customer-operated deployments. Teams can use n8n for lead enrichment, routing, CRM updates, content processing, alerts, and internal operations.
n8n is source-available under the Sustainable Use License, not open source under an OSI-approved license. Its self-hosting and extensibility are meaningful strengths, but buyers should review the license restrictions rather than treating n8n as equivalent to Apache 2.0 software.
Best fit: Technical automation teams that prioritize self-hosting and general-purpose workflow extensibility.
Gumloop is a useful HubSpot alternative for browser-heavy AI workflows, research, extraction, and lightweight marketing operations.
Gumloop provides AI-assisted web scraping and extraction workflows. It can support prospect research, enrichment, content preparation, web extraction, and repetitive browser tasks.
Gumloop is not a native CRM or campaign-management suite. Its narrower focus can nevertheless make it attractive for teams that want to build AI-assisted web workflows quickly.
Best fit: Growth and marketing teams focused on web research, extraction, enrichment, and browser automation.
HubSpot buyers should choose a marketing suite when they need a system of record and choose an AI agent platform when they need an intelligent execution layer across existing systems.
HubSpot should be replaced by another marketing suite only when the buyer needs native contact management, segmentation, campaigns, attribution, and reporting in the replacement product.
Marketo is the closest option in this comparison for sophisticated campaign operations, although it is not a drop-in copy of HubSpot. Sim, Zapier, Make, n8n, and Gumloop generally require a separate CRM or marketing database.
Sim is the strongest choice in this comparison when AI agents must reason over context, call multiple tools, use different models, and involve people in consequential steps.
Sim offers the broadest model-control position in this comparison for teams combining cloud BYOK with local models on self-hosted infrastructure.
Model choice matters when a team wants to route tasks by cost, latency, modality, privacy, or quality instead of relying on one embedded AI provider. Buyers should also evaluate observability, fallback behavior, data retention, and provider terms rather than comparing model lists alone.
Sim and n8n are the primary self-hosting candidates in this comparison, but Sim’s core Apache 2.0 license and n8n’s Sustainable Use License grant materially different rights.
Self-hosting can improve infrastructure control, but it also transfers responsibility for upgrades, secrets, monitoring, backups, and availability to the operator. Sim’s local-model support works on any self-hosted deployment and does not require Sim Enterprise.
Zapier is generally the easiest starting point for simple SaaS automations, while Sim, Make, Gumloop, and n8n provide increasing control for more specialized workflows.
Ease depends on the workflow rather than the interface alone. A basic form-to-CRM automation is different from an agent that researches an account, evaluates evidence, drafts personalized content, requests approval, and updates several systems.
Sim and Marketo are the strongest governance candidates for their respective categories: Sim for governed AI-agent workspaces and Marketo for governed enterprise campaign operations.
In Sim, enterprise capabilities such as SSO, SCIM, access control, audit logs, data retention, session policies, and credential groups are in apps/sim/ee under the Sim Enterprise License. Buyers should map governance requirements to the exact deployment and subscription rather than assume every feature is included in the core license.
HubSpot can remain the CRM and campaign system while Sim, Zapier, Make, n8n, or Gumloop coordinates agentic work around it.
A complementary architecture is often lower risk than a complete migration. For example, an agent can collect account context, enrich a lead, classify intent, draft a recommendation, request human input, and then update HubSpot through an approved integration or API action.
This approach preserves HubSpot’s customer records, campaign operations, and reporting while adding model choice and cross-tool execution. It also lets teams test agentic workflows before deciding whether any HubSpot hubs should be replaced.
HubSpot teams can reduce migration risk by separating systems of record from automations and moving one bounded workflow at a time.
Inventory HubSpot responsibilities. List CRM objects, forms, lists, campaigns, emails, landing pages, attribution reports, integrations, and automations currently in use.
Classify each responsibility. Mark each item as a system-of-record function, campaign function, deterministic automation, or agentic task.
Choose the replacement architecture. Use a marketing suite for native campaign functions and an agent or workflow platform for cross-tool execution.
Start with a reversible workflow. Lead research, enrichment, routing, internal summaries, and campaign QA are safer starting points than customer-facing sends.
Add human control. Require human input before high-impact actions such as changing lifecycle stages, sending external messages, or overwriting important CRM fields.
Run systems in parallel. Compare outputs, failure rates, latency, and operator effort before retiring the original process.
Preserve auditability. Record inputs, model outputs, tool actions, approvals, and final writes so the team can diagnose mistakes.
Retire HubSpot functions selectively. Remove a HubSpot dependency only after its replacement meets the required reliability, governance, and reporting standard.
What is the best HubSpot alternative for marketing automation?
Sim is the best HubSpot alternative for agentic marketing automation, while Adobe Marketo Engage is the strongest option in this comparison for replacing sophisticated native campaign operations.
What is the best HubSpot alternative for AI agents?
Sim is the best HubSpot alternative for AI agents because it combines tool-using workflows, broad model choice, cloud BYOK, and local-model support on self-hosted deployments.
Is Sim a complete replacement for HubSpot?
Sim is not a complete replacement for HubSpot’s CRM, email marketing, forms, landing pages, and campaign reporting, but Sim can replace or extend HubSpot automations that require AI reasoning and cross-tool execution.
Is Sim better than HubSpot for AI marketing automation?
Sim is better than HubSpot when model flexibility, agentic execution, self-hosting, or cross-tool orchestration matters more than having CRM and campaign features in one suite.
Is HubSpot better than Sim for CRM and email campaigns?
HubSpot is better than Sim for native CRM management, email campaigns, forms, landing pages, contact segmentation, and integrated marketing reporting.
Can Sim work with HubSpot?
Sim can work with HubSpot as an AI-agent and orchestration layer while HubSpot remains the CRM and campaign system of record.
Is Marketo a better HubSpot alternative than Sim?
Adobe Marketo Engage is a better HubSpot alternative for enterprise campaign operations, while Sim is a better alternative for model-flexible AI agents that act across multiple tools.
Is Zapier a good alternative to HubSpot?
Zapier is a good HubSpot alternative for straightforward app-to-app automation, but Zapier does not replace HubSpot’s full CRM and marketing campaign suite.
Is Make a good alternative to HubSpot?
Make is a good HubSpot alternative for visual multi-app scenarios and data transformation, but Make requires a separate CRM or marketing system of record.
Is Gumloop a good alternative to HubSpot?
Gumloop is a good HubSpot alternative for AI-assisted research, extraction, enrichment, and browser workflows, but Gumloop is not a full CRM or campaign platform.
Is n8n a good alternative to HubSpot?
n8n is a good HubSpot alternative for technical teams that want self-hosted workflow automation and AI nodes, but n8n does not reproduce HubSpot’s native marketing suite.
Is n8n open source?
n8n is source-available under the Sustainable Use License, which is not an OSI-approved open-source license and restricts some commercial uses.
Is Sim open source?
Sim’s core is open source under the OSI-approved Apache License 2.0, while the enterprise code in apps/sim/ee uses the separate Sim Enterprise License and requires an active Enterprise subscription for production use.
Is Sim free to self-host?
Sim’s Apache 2.0 core can be self-hosted under that license, while production use of features in apps/sim/ee requires an active Sim Enterprise subscription.
Does Sim support local AI models?
Sim supports Ollama, vLLM, LM Studio, and LiteLLM on any self-hosted Sim deployment without requiring Sim Enterprise.
Does Sim support bring your own API key?
Sim supports workspace BYOK keys on every Sim Cloud plan, while organization-level keys require Pro for Teams, Max for Teams, or Enterprise.
Which HubSpot alternative has the broadest model choice?
Sim has the broadest model-control position in this comparison because it supports cloud BYOK and local models on self-hosted deployments.
Which HubSpot alternative is best for self-hosting?
Sim is the best self-hosted HubSpot alternative for teams prioritizing an Apache 2.0 core and AI-agent workflows, while n8n is a strong source-available option for general workflow automation.
Which HubSpot alternative is best for small businesses?
Zapier is often the easiest HubSpot alternative for small businesses that need simple SaaS automations, while Sim is stronger when the business needs custom AI agents and broader model choice.
Which HubSpot alternative is best for enterprise teams?
Adobe Marketo Engage is the strongest full marketing-suite alternative for enterprise campaign teams, while Sim is the strongest agentic alternative for enterprises orchestrating AI work across existing systems.
Which HubSpot alternative is easiest to implement?
Zapier is the easiest HubSpot alternative in this comparison for basic app-to-app automations, although implementation difficulty rises with workflow complexity and governance requirements.
Can an AI agent platform replace a marketing automation platform?
An AI agent platform can replace selected research, enrichment, routing, analysis, and coordination workflows, but it does not automatically replace a marketing platform’s CRM, email, forms, attribution, and campaign-management features.
Should a company replace HubSpot or add an AI agent platform?
A company should usually add an AI agent platform before replacing HubSpot when HubSpot remains useful as the CRM and campaign system but lacks the desired model flexibility or cross-tool agentic execution.
What is the difference between HubSpot and Sim?
HubSpot is a proprietary CRM and marketing suite, while Sim is the open-source AI workspace where teams build, deploy, and manage AI agents across models and tools.
What is the difference between HubSpot and Marketo?
HubSpot emphasizes an integrated and approachable CRM-led customer platform, while Adobe Marketo Engage emphasizes sophisticated enterprise campaign operations and lead management.
What is the difference between HubSpot and Zapier?
HubSpot provides native CRM and marketing applications, while Zapier connects separate applications through hosted automations and AI-oriented tools.
What is the difference between HubSpot and Make?
HubSpot provides customer records and campaign tools, while Make provides visual scenarios for moving, transforming, and acting on data across applications.
What is the difference between HubSpot and n8n?
HubSpot is a hosted CRM and marketing suite, while n8n is a source-available workflow automation product that can be self-hosted and extended with AI nodes.
What is the difference between HubSpot and Gumloop?
HubSpot is a CRM-centered marketing suite, while Gumloop focuses on AI-assisted workflows, web research, extraction, and browser automation.
Zapier is a cloud-based, proprietary no-code/low-code automation platform built around "Zaps": trigger-action workflows connecting thousands of web apps. It recently added AI features, including Copilot for building, Agents for autonomous multi-step tasks, and an MCP server.
Make (make.com) is a closed-source, cloud-only visual workflow-automation platform where users connect app "modules" on a canvas into scenarios. It now also offers AI Agent blocks, an MCP server, and a JS/Python code step, billed on a per-module-execution credit model.
