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Full-featured PABX system, with call queues, built-in web conferencing, live chat and social media messaging all on one system.
Social media tool for scheduling and publishing posts across networks, with analytics and engagement features.
Voice, video and text chat platform organized into community servers and channels, popular with gamers and online communities.
Online whiteboard, audio/video conferencing, screen sharing, shared code editing and optional session recording/playback.
Customer service platform with live chat messenger, shared inbox, help center and the Fin AI agent.
Atlassian-owned screen and camera recorder for sharing quick async video messages by link.
Intuit's email marketing platform for newsletters, audience management and automated campaigns.
Microsoft's workplace chat and video meeting app, integrated with Microsoft 365 files and calendars.
Full-featured solution for your Email server. Native implementation of last anti-SPAM methods, webmail and easy administration included. Free tier available.
Alternative private mail system - web-based, end-to-end encrypted by design, self-hosted, decentralized, uses independent PKI. Easy to install and administrate, freeware, open-source.
Self-hosted email newsletter application that lets you send bulk emails via Amazon Simple Email Service (SES) or other SMTP services.
Team messaging platform organized into channels, with direct messages, huddles, file sharing and thousands of integrations.
Platform for your corporate communications, based on the advanced architecture, with support for UltraHD video conferencing, built-in messenger with personal and group chats, and a free version for up to 1,000 users.
Cloud communications API platform for programmable SMS, voice calls, WhatsApp messaging, email and verification.
Instant messaging and collaboration tool with private and group chat rooms, continuous voice and video meetings, files sharing, issue tracking with integrated task board. Alternative to Slack and others.
Video conferencing platform for meetings, webinars and screen sharing, with team chat and phone add-ons.
Federated microblogging server with Mastodon, GNU social, and ActivityPub compatibility.
Knowledge-based community software. You can use it to quickly build your Q&A community for product technical support, customer support, user communication, and more.
Realtime server for reliable two-way communication over WebSockets, Server-sent events, etc.
Apprise allows you to send a notification to almost all of the most popular notification services available to us today such as: Telegram, Discord, Slack, Amazon SNS, Gotify, etc.
Comment system built in Golang, providing a lightweight and highly customizable solution for adding comments to your website.
Easy to use but advanced IP PBX system, VoIP gateway and conference server.