搜索与筛选

Full-featured PABX system, with call queues, built-in web conferencing, live chat and social media messaging all on one system.

社交媒体管理工具，可跨平台排期发布内容，并提供数据分析和互动管理。

以社区服务器和频道组织的语音、视频与文字聊天平台，深受游戏玩家和线上社区欢迎。

Online whiteboard, audio/video conferencing, screen sharing, shared code editing and optional session recording/playback.

客户服务平台，提供在线聊天 Messenger、共享收件箱、帮助中心和 Fin AI 客服。

Atlassian 旗下的录屏与摄像头录制工具，可通过链接分享简短的异步视频消息。

Intuit 旗下的邮件营销平台，用于发送新闻通讯、管理受众和自动化营销活动。

微软的办公聊天与视频会议应用，与 Microsoft 365 的文件和日历深度集成。

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.

以频道组织的团队即时通讯平台，支持私信、语音会议、文件共享和大量第三方集成。

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.

云通信 API 平台，提供可编程短信、语音通话、WhatsApp 消息、邮件和验证服务。

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.

视频会议平台，用于在线会议、网络研讨会和屏幕共享，并提供团队聊天与电话等扩展服务。

Akkoma

Federated microblogging server with Mastodon, GNU social, and ActivityPub compatibility.

AnonAddy

Email forwarding service for creating aliases.

Answer

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.

AnyCable

Realtime server for reliable two-way communication over WebSockets, Server-sent events, etc.

Apprise

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.

Artalk

Comment system built in Golang, providing a lightweight and highly customizable solution for adding comments to your website.

Fast, SQLite-powered forum engine written in ASM.

Asterisk

Easy to use but advanced IP PBX system, VoIP gateway and conference server.