Prelude Alternatives

Say goodbye to phone and email tag for finding the perfect meeting time with Calendly. It's 100% free, super easy to use and you'll love our customer service.

GoodTime uses employee data to intelligently schedule interviews scheduling for companies that hire at scale.

B2B SaaS: Make your app enterprise-ready! Authentication - SAML/OIDC SSO, Directory Sync (SCIM 2.0), Audit Logs, Data Privacy Vault, and more!

Try for free Open Source free $49.0 / Monthly (Per connection)

YouCanBook.me is a cloud-based service which allows your customers to schedule appointments and make bookings.

An automated, yet flexible, interview scheduling platform

Yello is a recruitment marketing and a recruitment platform to manage the full candidate lifecycle.

The Mozilla Defense Platform (MozDef)is as a set of micro-services you can use as an open source Security Information and Event Management (SIEM) overlay on top of Elasticsearch.

Setmore offers a free, online scheduling platform for you to connect with your customers. Manage all your appointments through one simple, sleek calendar system and give your business the freedom to grow.

freemium

A very powerful and well documented open source SIEM with options to purchase support packages.

Alienvault integrates and correlates many popular network and security monitoring tools in one...

SEEK Video Screen provides you with a quick and easy way to review a candidate’s presentation, motivation & cultural fit in order to simplify the early stages of your recruitment process.

Open Source Host and Endpoint Security

Open Source

Splunk's operational intelligence platform helps unearth intelligent insights from machine data.

TimeTap is an online scheduling tool for appointment based businesses.