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Cal.com
An open-source scheduling platform that lets people book meetings based on your real-time availability. It integrates with multiple calendars, video platforms, and payment processors.
Why Itβs Useful
It provides a self-hostable, privacy-respecting alternative to Calendly with no feature restrictions on the free plan. Teams can customize every aspect of the booking experience to match their workflow.
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Zulip
An open-source team chat application that organizes conversations by topic threads within channels. It combines the immediacy of chat with the structure of a forum.

Loom
A video messaging tool that lets you record your screen, camera, or both and instantly share the recording via a link. It includes features like viewer analytics, comments, and auto-generated transcripts.

daily.dev
A browser extension and web app that aggregates developer news, blog posts, and articles from hundreds of sources into a personalized feed. It learns your interests and surfaces relevant technical content.

Whereby
A browser-based video meeting platform that requires no downloads or accounts for guests. It provides permanent meeting rooms with customizable URLs and built-in recording.
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