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Helps SaaS teams show targeted announcements, surveys, polls, and upgrade prompts inside their apps.
Deploys isolated communication workspaces into users’ own cloud accounts.
A free, open-source Windows email client with offline access and an optional AI assistant using your own key.
An email inbox that connects to business tools and uses agents to automate workflows for individuals and teams.
An AI email client that organizes inboxes and drafts messages for people using Gmail or IMAP mailboxes.
Lets people create and send personalized digital cards to friends, family, or coworkers without signing up.
Sends transactional and broadcast email for high-volume businesses through an API and SMTP service.
Transcribes live conversations into large, readable captions on an iPhone without sending audio to the cloud.
Creates customizable email signatures for individuals and teams to use in Gmail, Outlook, and Apple Mail.
Helps people manage email by swiping through messages and using optional AI reply drafts.
Lets robots post, handle, and read messages through a web interface and API.
Adds real-time 3D chat rooms to websites so visitors and site owners can see and talk with each other.
A macOS app that transcribes calls on-device and offers optional AI coaching during meetings.
A native Mac app for managing multiple Google accounts and Workspace apps in separate sessions in one window.
Composes selected Mac windows into a private canvas for meetings, demos, and recordings.
Provides businesses with a shareable contact page and threaded inbox for replying to customer messages.
Creates a shareable contact page and digital business card for individuals and small businesses.
Transfers files and text directly between devices in a browser using encrypted peer-to-peer connections.
Filters unknown senders from Gmail or Outlook until they pay a fee to deliver their messages.
Lets users send and receive email from a custom domain through Gmail without Google Workspace.
A Mac email client that uses local AI to sort messages and follow plain-language rules.
Provides AI agents with phone calls, SMS, and email through a hosted service and API.
A macOS app for sharing images, windows, and iPhone or iPad screens over a webcam with hand controls.
Translates speech in real time into one selected language for meetings.
Provides custom-domain email forwarding, webhook delivery, and SMTP sending for developers and teams.
Provides private disposable email inboxes with automatic OTP detection and free-trial reminders.
Provides US and Canadian phone numbers for AI agents to make and receive calls and SMS through APIs and integrations.
An iOS messaging app that uses end-to-end encryption, including post-quantum key exchange.
Adds a shared live space to websites where visitors can see each other, move around, and chat.
Enables two people speaking different languages to have real-time voice-translated conversations in a browser.
Provides a Canada-hosted transactional email API and SMTP relay for developers.
Sends transactional emails for developers through a hosted service with prebuilt templates and integrations.
An open-source customer messaging platform for teams to manage live chat, product tours, support tickets, and AI agents.
A Mac app that turns a connected iPad into a whiteboard window you can share during video calls.
An AI email client for founders that prioritizes inbox messages, prepares morning briefs, and drafts replies in their voice.
A desktop app that detects itch.io games and displays them in Discord Rich Presence.
Provides private, end-to-end encrypted team chat, stories, and workspaces for companies.
Lets people create and share online letters with floral stationery, sealed envelopes, and optional music.
Provides teams with a unified inbox for multiple domains and mailboxes, priced by usage rather than seats.
Records calls and other audio on Apple Silicon Macs, then transcribes and labels speakers on-device.
Tracks email commitments in Gmail and Outlook and drafts follow-ups when they are due.
An open protocol for resolving domain names to phone numbers, email addresses, Fediverse identities, and profile information.
Sends app events and automation alerts as push notifications to developers’ phones through a simple HTTP request.
An open-source chat widget that lets teams reply to website visitors through messaging apps like Telegram, Slack, and Discord.
Translates live speech between languages for face-to-face bilingual conversations.
Lets Gmail users filter notifications by sender, customize alert sounds, and schedule quiet hours.
A Mac app that decrypts Android WhatsApp backups and saves browsable, portable chat archives locally.
Lets people securely schedule encrypted letters, voice recordings, and videos for loved ones to receive later or after their death.
A phone-number-free encrypted messaging app with private calls and a built-in non-custodial crypto wallet.
A local-first CLI, terminal inbox, and Mac app for managing LinkedIn messages and piping them to agents.
A self-hosted email server that lets AI agents send, receive, and manage mail on their own infrastructure.
Automates email replies, inbox organization, and meeting scheduling in Gmail and Outlook.
An email assistant that reads full threads when you CC it on conversations.
Lets customer support teams collect screen recordings from customers through a link, without requiring a download.
A terminal app for managing email and calendars, with optional search, automation, and AI features.
Provides a chronological news feed from curated publishers with source comparisons, anonymous discussion, and a shared pixel canvas.
A macOS app that shares a draggable, resizable screen region in video calls and recordings.
Provides post-quantum encrypted messaging on iOS, Android, and web without requiring a phone number.
A mobile Hacker News app for iOS and Android that translates discussions and offers reply notifications and bookmarks.
Provides email inboxes and messaging APIs for AI agents, with webhooks and prompt-injection scanning.
Helps groups collect member updates and automatically compile and email them as a newsletter.
Provides developers and AI agents with an API to create mailboxes and send or receive email programmatically.
Provides ecommerce teams with an AI-powered support inbox, CRM, and automated customer service workflows.
Creates email signatures for individuals and provides paid signature management for teams.
Lets people send photographed handwritten letters digitally to individuals and communities.
Records meetings and calls without a bot, then lets users search transcripts and ask questions across their conversation history.
Enables encrypted peer-to-peer messaging, calls, and communities without accounts or central servers.
Enables AI agents to send direct messages over MCP and A2A, with Slack integration and tools for adding a project agent.
Hosts browser-based video meetings and offers a self-hosted platform for teams that need control over their conferencing infrastructure.
Provides disposable email inboxes that AI agents can create through an API and access via POP3.
Adds Google Meet links to events created in Apple Calendar on macOS.
Helps teams use the WhatsApp Business App and Cloud API on one number while routing webhooks directly to their servers.
Hosts email with webmail, IMAP, calendar, and contacts in customers’ AWS accounts.
Lets AI agents register, discover peers, poll inboxes, and send one-word messages.
Provides live radio activity, AI-generated transcripts, and incident monitoring for San Francisco.
Enables people to make international video calls in a browser using a shareable link, without accounts or apps.
Routes calls from schools, hospitals, and caregivers to a family’s phones, with automatic backup escalation if no one answers.
Lets people at events chat with nearby users without accounts, using encrypted DMs and temporary messages.
A Chrome extension that enhances webcam video for calls, streams, and recordings with AI filters and lighting effects.
Helps people prepare for difficult conversations with personalized, AI-generated techniques.
A private, offline-first email client for managing multiple accounts on Mac, iPhone, and the web.
Creates shareable links that animate an emoji search for someone else.
A Slack app that privately coaches users to write clearer, kinder workplace messages.
Converts Markdown into responsive, email-safe HTML for developers creating email campaigns and messages.
A temporary, encrypted chat and multiplayer RPG accessible through SSH or a web terminal, with messages deleted after one hour.