# Open source HubSpot alternatives for AI agents 8 alternatives to HubSpot. 6 have an interface an agent can drive. 8 are open source. Page: alternatives/hubspot.html ## NextCRM MIT Next.js CRM with projects, invoicing, documents and a built-in 127-tool MCP server. - Listing: apps/pdovhomilja--nextcrm-app.html - JSON: apps/pdovhomilja--nextcrm-app.json - License: MIT - Agent interface: MCP server, from the builder - Reach: 7 of 10 jobs - Last activity: 2026-09-02 - Effort: config-only - Agent cannot reach: Create and send invoices; Read and send email from the built-in client; Manage users, roles and LLM keys - Use it when: I want one app for CRM, projects and invoices that our agent can drive through MCP, and I am fine with a small project - Use it when: I want a permissive-license CRM I can rebrand for a client - Gotcha: Login is passwordless email OTP: without an email provider you read the code from the database - Gotcha: Roadmap still lists 'fix all TypeScript any types' and testing expansion; single maintainer - Gotcha: Invoices are not reachable over MCP yet - Gotcha: Bundled Postgres and MinIO ship with placeholder passwords ## EspoCRM AGPL PHP CRM with a documented REST API, OpenAPI spec and official SDKs in seven languages. - Listing: apps/espocrm--espocrm.html - JSON: apps/espocrm--espocrm.json - License: AGPL-3.0 - Agent interface: API, from the builder - Reach: 7 of 10 jobs - Last activity: 2026-09-03 - Effort: config-only - Agent cannot reach: Workflows and BPM; Reports - Use it when: I need a mature CRM on a cheap PHP host with a REST API our agent can use today - Use it when: I want to add our own entities and fields without maintaining a fork - Gotcha: Workflows, BPM and reports are paid extensions - Gotcha: AGPL-3.0 and a CLA for contributions - Gotcha: Cron must run for email, workflows and scheduled jobs ## Frappe CRM AGPL CRM on the Frappe Framework; every DocType is reachable through the framework's REST API. - Listing: apps/frappe--crm.html - JSON: apps/frappe--crm.json - License: AGPL-3.0 - Agent interface: API, from the builder - Reach: 5 of 9 jobs - Last activity: 2026-09-03 - Effort: config-only - Agent cannot reach: Kanban and custom views - Use it when: I already run ERPNext and want a clean sales pipeline that invoices through it - Use it when: I want unlimited users on a simple CRM and our agent updating deals through a REST API we already know - Gotcha: Needs a Frappe bench: Python, MariaDB, Redis, Node; not a single container - Gotcha: Branch main is v1.x stable; develop is v2 unstable - Gotcha: AGPL-3.0 - Gotcha: CRM Enrichment Settings suggests an enrichment feature; provider not documented in README ## Mautic Self-hosted marketing automation: contacts, segments, campaigns, and email, with an official REST API. - Listing: apps/mautic--mautic.html - JSON: apps/mautic--mautic.json - License: GPL-3.0 - Agent interface: API, from the builder - Reach: 9 of 10 jobs - Last activity: 2026-09-03 - Effort: config-only - Use it when: I want HubSpot-style drips and segments on my own server, with contacts I own - Use it when: I need my agent to add leads, tag them into segments, and trigger campaigns over an API - Gotcha: GPL-3.0 (GitHub shows NOASSERTION; composer.json says GPL-3.0) - Gotcha: The REST API is disabled by default and must be switched on in Configuration > API Settings - Gotcha: Segments, campaigns, and email sends depend on cron jobs; without them nothing moves - Gotcha: README warns against running from the GitHub source in production; use the mautic.org package or Composer - Gotcha: Requires PHP and MySQL versions matching the release's supported versions page ## Relaticle Self-hosted Laravel CRM with a 37-tool MCP server, REST API and 22 custom field types. - Listing: apps/relaticle--relaticle.html - JSON: apps/relaticle--relaticle.json - License: AGPL-3.0 - Agent interface: MCP server, from the builder - Reach: 6 of 9 jobs - Last activity: 2026-09-02 - Effort: config-only - Agent cannot reach: Add or change custom fields; Manage teams, workspaces and members - Use it when: I want a CRM our agent can read and write through MCP from day one, hosted on our own server - Use it when: I want to run a white-label CRM for a client with billing and marketing pages switched off - Gotcha: PHP 8.5 and PostgreSQL 17 minimums are newer than most hosts ship - Gotcha: MCP rate limit 120 calls per minute per user, 25 records per page - Gotcha: One workspace per MCP connector until revoked - Gotcha: AGPL-3.0 ## Twenty Open-source CRM with an in-product MCP server: per-object CRUD, workflows, metadata, views and webhooks over OAuth. - Listing: apps/twentyhq--twenty.html - JSON: apps/twentyhq--twenty.json - License: AGPL-3.0 core with marked enterprise files - Agent interface: MCP server, from the builder - Reach: 8 of 10 jobs - Last activity: 2026-09-03 - Effort: config-only - Agent cannot reach: Connect email and calendar accounts; Publish an app to the workspace - Use it when: I want a CRM our agent can query, update and reshape (new objects, fields, workflows) without a wrapper - Use it when: I want to version our CRM's data model as code and ship it to a workspace - Gotcha: Env var names above come from the self-host docs and the .mcp.json dev config (PG_DATABASE_URL); confirm the current list at docs.twenty.com - Gotcha: The root .mcp.json is developer tooling (postgres, playwright, context7), not the product MCP - Gotcha: Metadata and workflow tools require loading a skill first or the agent misbuilds - Gotcha: AGPL core; enterprise files are marked and not free ## Krayin CRM MIT Laravel CRM for leads, contacts, quotes and email, configured through .env and packages. - Listing: apps/krayin--laravel-crm.html - JSON: apps/krayin--laravel-crm.json - License: MIT - Agent interface: No agent interface - Reach: Not recorded - Last activity: 2026-09-01 - Effort: config-only - Use it when: I need a free CRM on our own server with leads, quotes and inbound email, and the team knows PHP - Use it when: I want a permissive license so we can bundle a customized CRM for clients - Gotcha: No built-in API: routes/api.php is the Laravel stub (one auth:api /user route); the official krayin/rest-api package was last pushed 2025-09-01 - Gotcha: Default branch is 2.2; README installs from the main tag - Gotcha: Needs 3 GB RAM and MySQL 8.0.32+; PostgreSQL not supported ## Comp AI CRM Self-hosted CRM where a scheduled research agent keeps the records, tuned by four markdown skill files. - Listing: apps/trycompai--crm.html - JSON: apps/trycompai--crm.json - License: MIT - Agent interface: Screen only - Reach: 2 of 7 jobs - Last activity: 2026-09-02 - Effort: config-only - Agent cannot reach: Research and enrich a contact or company; Read pipeline records; Write facts and activities to a record; Talk to the agent about a contact; Schedule a re-check on a person - Use it when: I want a CRM that fills itself in from our inboxes instead of nagging reps to log calls - Use it when: I want to change what the research agent is allowed to look at and write, without rewriting the app - Gotcha: No API tokens: every request needs an identity-provider session, so an outside agent has no documented way in - Gotcha: Three separate deployments must agree on DATABASE_URL and BETTER_AUTH_SECRET or you get a redirect loop - Gotcha: Microsoft client secrets expire (6 months default) and mail sync fails silently when they do - Gotcha: Default branch is release, not main ## Questions ### Is there an open source alternative to HubSpot? Yes. All 8 listings here are open source: NextCRM (MIT), EspoCRM (AGPL-3.0), Frappe CRM (AGPL-3.0), Mautic (GPL-3.0), Relaticle (AGPL-3.0), Twenty (AGPL-3.0 core with marked enterprise files), Krayin CRM (MIT), Comp AI CRM (MIT). ### Which HubSpot alternatives have an MCP server? NextCRM, Relaticle and Twenty have MCP servers from their builders. ### Which HubSpot alternative can an agent do the most with? Mautic: 9 of 10 recorded jobs reachable. Jobs differ by listing, so read each list before you choose.