Communication Tools

TidyCal

TidyCal is a scheduling tool that helps users manage bookings by syncing with their calendars. It lets you set available time slots for others to book, supports group bookings, paid meetings, and various integrations—all aimed at reducing back-and-forth scheduling.

• Free + From $39/mo

• Proprietary

Cal.com

An open-source scheduling platform that enables users to manage and share their availability, allowing others to book appointments effortlessly.

• Free + From $15/mo

• Proprietary

Mattermost

A secure collaboration platform designed for mission-critical operations. It offers customizable tools for team communication, task management, and workflow automation

• Free + From $10/mo

• Open Source

Later

A social media management platform designed to simplify scheduling, publishing, and analyzing posts across multiple platforms like Instagram, TikTok, and Facebook.

• From $16.67/mo

• Proprietary

Zoom Workplace

Tools for team collaboration, including video conferencing, team chat, whiteboarding, and file sharing.

• Free + From $15.99/mo

• Proprietary

Pumble

A free team communication app designed to streamline collaboration through organized messaging, voice and video calls, and file sharing.

• Free + From $2.49/mo

• Proprietary

Rocket.Chat

An open-source communication platform designed for secure and customizable team collaboration.

• Free + From $4.5/mo

• Open Source

Revolt

An open-source, user-centric chat platform designed as a privacy-focused alternative to Discord.

• Free

• Open Source

Element

An open source Matrix-based end-to-end encrypted messenger and secure collaboration app.

• From $6/mo

• Open Source

Zulip

An organized team chat app for distributed teams of all sizes.

• Free + From $6.67/mo

• Open Source

Posthyve

An all‑in‑one social media management platform designed for creators, small teams, and agencies.

• From $59/mo

• Proprietary