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Open-source transactional email API and self-hostable Resend alternative. SMTP, inbound mail, webhooks, and campaigns for developers.

Blazing fast, instant realtime GraphQL APIs on all your data with fine grained access control, also trigger webhooks on database events.

The open source and enterprise-ready webhooks service 🦀

🔔 Cross-platform smart notifications for Claude/Codex/OpenCode/Cursor/Gemini/Qoder/Pi. Desktop alerts, sounds, click-to-focus, and webhooks. macOS, Linux, and Windows.

Argus is a lightweight monitor to notify of new software releases via Gotify/Slack/other messages and/or WebHooks.

The complete ngrok agent for Python: programmatic tunnels for ingress, inspection, webhooks, demos, and APIs

Node.js web handler / middleware for processing GitHub Webhooks

Homebridge accessories to help with advanced automation and control — scheduling, delays, push notifications, commands, webhooks, and more

:arrow_right_hook: Node.js module to create and trigger your own webHooks.

Strongly typed library for the entire SendGrid v3 API, including webhooks

Parses webhooks and forwards them in the proper format to Discord.

🔭 Powerful tool for testing WebHooks and more

The Cloud Native Webhooks Gateway

GOWA - WhatsApp REST API with support for UI, Multi Account, Webhooks, and MCP, and Chatwoot. Built with Golang for efficient memory use.

Open-source SMS gateway. Turn your Android phone into an SMS API: send and receive SMS from your apps over REST and webhooks. Self-hostable, with a free hosted plan.

Open Source Outbound Webhooks and Event Destinations Infrastructure

Email to Webhook service - Trigger your webhooks or APIs by sending emails to generated addresses.

On-prem/LAN Layer 2 & 4 availability monitoring with realtime guarantees & decaying alert pacing. Multithreaded high speed availability checking for SNMP, PING, TCP/UDP, QUIC & HTTP/S resources incl. SSL/TLS cert. pinning & port MAC address pinning. Integrates w/Site24x7 heartbeat monitoring for failover alerts + MRTG + Slack & Pushover webhooks.

Self-hosted web panel for Hysteria 2 & Xray VLESS proxy servers. Features cascade network topology (Forward/Reverse Chain), SSH auto-setup, server groups, load balancing, ACL traffic filtering, API with scopes, webhooks, S3 backups, MCP integration, and subscriptions for Clash/Sing-box/Hiddify.

A self-hosted WhatsApp Gateway & Dashboard built with Next.js 16, Baileys, and Prisma. Manage multi-session accounts, schedule messages, create auto-replies, and integrate via Webhooks.

An Android app that bridges Google Fit, Samsung Health, Fitbit, and other health apps to your webhooks via Health Connect APIs, enabling seamless integration with your custom endpoints and services.

Universal BLE Smart Scale bridge. Captures body composition from Renpho, Xiaomi & 20+ others, syncs to Garmin Connect, Strava, MQTT (Home Assistant), InfluxDB, Webhooks, Ntfy & local files (CSV/JSONL). Headless CLI for Raspberry Pi, Linux, macOS & Windows.

Control Claude Code, Codex CLI and Gemini CLI from Telegram. Live streaming, persistent memory, cron jobs, webhooks, Docker sandboxing.

The billing framework for TypeScript. Products in code, handles Stripe, webhooks, and usage state, runs in your app.

X (Twitter) scraper API & X API alternative with REST, MCP, SDKs & webhooks. Not affiliated with X Corp.

Multi-Account Zalo Management — Real-time chat, CRM, appointments, API & webhooks

Self-hosted transactional email platform — send through your own AWS SES account, keep the dashboard, API keys, delivery logs, and webhooks on your own infrastructure.

Desktop-first, open-source (MIT) application for running parallel agents, and multi-step custom workflows triggered by schedules, webhooks or events from tools like Linear and Sentry, across your already-used providers.