Email and calendar
CRM for Google Workspace
Compare Gmail, Calendar, contact, identity, ownership, and offboarding workflows for a Google-first team.
Open the Google Workspace guide →CRM integration research
See priority app connections, official integration directories, developer API access, webhook evidence, and the technical questions to verify before choosing a CRM.
All 20 products have official developer documentation in this snapshot. Webhooks were explicitly documented for 18; the remaining records say “not confirmed,” not “unsupported.” Marketplace listings may be supplied by the CRM vendor, an independent app vendor, or an automation platform.
Integration buyer's guides
These guides turn a marketplace logo into a repeatable technical test. Each one covers data ownership, sync direction, permissions, failure handling, cost, and exit risk.
Email and calendar
Compare Gmail, Calendar, contact, identity, ownership, and offboarding workflows for a Google-first team.
Open the Google Workspace guide →Technical decision guide
Compare CRM connections for Outlook and Microsoft 365, including email and calendar sync, permissions, ownership, testing steps, and implementation risks.
Open the Microsoft 365 guide →Technical decision guide
Compare CRM and Xero integration options, with practical tests for contacts, quotes, invoices, tax, currencies, duplicate prevention, and sales-to-finance handoff.
Open the Xero guide →Technical decision guide
Compare CRM connections with QuickBooks and test customer, estimate, invoice, payment, product, tax, currency, and duplicate-handling workflows before buying.
Open the QuickBooks guide →Technical decision guide
Compare Zapier-connected CRMs and learn how to test triggers, actions, field mappings, duplicates, retries, task usage, ownership, and exit risk.
Open the Zapier guide →What to verify
Before buying, confirm the provider, supported plan, objects transferred, sync direction and timing, field mappings, conflict handling, API limits, security scopes, failure logs, and any separate subscription.
Attio supports native apps, workflow blocks, Zapier, a public REST API, OAuth apps, signed webhooks, and a developer app platform.
Bigin connects to Zoho and third-party tools through direct integrations, Zoho Flow, Toppings, REST APIs, notifications, and workflow webhooks.
Capsule offers direct small-business integrations, automation connectors, a REST API, and REST hooks for event-driven synchronisation.
Close provides built-in connections, a growing integration directory, automation-platform connectors, REST APIs, OAuth, and webhooks.
Copper centres its direct experience on Google Workspace and supplements it with listed partner apps, Zapier, a REST API, and webhooks.
folk combines email and calendar connections, communication and enrichment apps, Zapier and Make automation, a public API, and webhooks.
Freshsales connects through Freshworks Marketplace apps, Freshworks-suite products, REST APIs, and app-platform events.
HighLevel combines an app marketplace, workflow integrations, OAuth and private integrations, REST APIs, and a broad webhook event catalogue.
HubSpot combines a large app marketplace with CRM APIs and webhook subscriptions for event-driven integrations.
Keap provides a marketplace for partner applications together with REST APIs, OAuth, and event hooks for custom small-business automation.
Less Annoying CRM lists direct and partner integrations, offers Zapier connectivity, and publishes an API for custom connections.
monday CRM uses the wider monday Marketplace and platform API, with apps, integration recipes, automations, GraphQL, and webhooks.
Nimble provides direct Google and Microsoft relationship context, a partner marketplace, automation connectors, and an API for custom applications.
Nutshell combines instant integrations, an app marketplace service, Zapier connections, open APIs, and outbound webhooks.
OnePageCRM supplies a curated integrations directory plus APIs, webhooks, OAuth, query tools, and extension points for custom workflows.
Pipedrive provides a searchable marketplace, REST APIs, OAuth apps, and webhooks for sales-data connections and workflow automation.
Pipeline CRM documents connections for email, calendars, accounting, and automation tools alongside API and developer guidance.
Salesforce offers the AppExchange ecosystem and extensive developer APIs, with event-driven options available across the wider platform.
Salesmate documents direct integrations, automation-platform connections, product APIs, and API or webhook actions inside Smart Flows.
Zoho CRM supports marketplace extensions, connections across the Zoho suite, REST APIs, notification APIs, and workflow webhooks.
Use your own workflow
Move realistic sample records through each finalist. Check duplicates, custom fields, ownership, historical activity, error handling, disconnect behaviour, and exports—not just whether the setup screen says “connected.”
Open the CRM Trial Kit