nylas.com Universal CRM API Alternatives

Easy-Integration Messaging and Email for Software Publishers.

paid Free Trial $5.5 / Monthly (by month/account)

The Collaboration Platform for API Development

Open Source

Flagsmith lets you manage feature flags and remote config across web, mobile and server side applications. Deliver true Continuous Integration. Get builds out faster. Control who has access to new features. We're Open Source.

Try for free Open Source freemium

The Nylas Cloud API powers your application with email, calendar & contacts features. Built-in features for better email, calendar, and contact management.

API Management and SOA Governance for enterprises and developers

Nylas Mail Lives is a fork of Nylas Mail.

DreamFactory is an API management platform used to generate, secure, document, and extend APIs.

Open Source freemium

AWS CloudTrail is a web service that records AWS API calls for your account and delivers log files to you.

EmailEngine is an email client but for apps, not people. It connects to the user's email server, translates REST API requests from the app to IMAP and SMTP commands, and sends webhooks for changes like new or deleted emails.

Open Source paid Free Trial €795.0 / Annually (Unlimited self hosted instances)

Anypoint Platform is a unified, highly productive, hybrid integration platform that creates an application network of apps, data and devices with API-led connectivity.

Unified Calendar API for developers

diate API design and management. Boomi gives you the capabilities to design, secure and scale APIs to connect across your business enterprise.

Creates a Cronofy hosted calendar and returns bearer OAuth tokens for use with the API.