Top 20 open-source products relevant to Enterprise Communication

Work locally, grow globally.

Open Source paid Free Trial $25.0 / Monthly

RingCentral is the leading provider of cloud-based communications and collaboration solutions for small business and enterprise companies.

Open Source freemium $19.99 / Monthly (All-in-One Phone, Team Messaging, and Video Conferencing.)

Spark helps you take your inbox under control. Instantly see what’s important and quickly clean up the rest. Spark for Teams allows you to create, discuss, and share email with your colleagues.

Open Source

Get your encrypted mailbox for free.

Open Source

Mailspring is a mail client for Mac, Windows and Linux.

Open Source

An open source telephony switching and private branch exchange service for Linux.

Open Source

Web-based IMAP email client.

Open Source

Group-Office is an enterprise CRM and groupware tool.

Open Source

Mailpile is a modern, fast web-mail client with user-friendly encryption and privacy features.

Open Source

FreePBX is a web-based open source GUI that controls and manages Asterisk (PBX).

Open Source

FusionPBX is an open source FreeSWITCH GUI.

Open Source

Admin dashboard template for Bootstrap 5.

Open Source

RainLoop is a web based email client.

Open Source

All your E-mail, from all your accounts, in one place. Cypht is like a news reader, but for E-mail.

Open Source

Wazo is a unified communications platform based on Asterisk and focused on extensibility.

Open Source

💌 Mail app for Nextcloud.

Open Source

sipXcom open source unified communications software is the standard for enterprise voice solutions. Voice, chat, IVR, presence and more in one application.

Open Source

SquirrelMail is a standards-based webmail package written in PHP.

Open Source

A self-service, cloud-based call center 📞.

Open Source

Components library for Tailwind CSS & Material Design.

Open Source