ChangeNotifier — Monitor any website for changes

VisualPing is a simple service for monitoring websites for changes. You'll recieve a notification when it detects any change in the content of the page. You can use it for price tracking, ticket & product availability checks, competition monitoring, or just to check your facebook-likes, twitter followers etc...

It is an app that takes screenshots of any website and sends them to your inbox. You can schedule them hourly, daily, weekly or whenever you want. The best part is that you'll be the first to know if your favorite web page posts a new update or if your personal website takes a turn for the worst.

It is the enterprise ready webhook service. It makes it easy for developers to send webhooks. Developers make one API call, and Svix takes care of deliverability, retries, security, and more.

It is a fast & secure webhooks service. It receives event data from an HTTP API and sends these event data to the configured endpoints. It is cloud-native so developers can deploy the container to wherever they host their applications.

Is a reliable webhook middleware platform that accepts webhooks from any source and dispatches them to your endpoints with guaranteed delivery, rate limiting, and comprehensive monitoring. Built for 99.999% uptime.

Get form submissions on WhatsApp instantly.

It makes it easy to send webhooks from your service while ensuring robust deliverability and a great developer experience for your users.

Secure email forwarding with custom domains, expiring aliases, and zero-trace forwarding. Hosted in Iceland for maximum privacy. Try our free domain scanner!

Contact Form 7 to Any API allows WordPress users to send form submissions to any external API or CRM with precision and ease. The free version supports basic features such as single API endpoints, JSON payloads, headers, and logging. With the Pro version, you can configure multi-endpoint routing, conditional logic, nested JSON bodies, field mapping, custom headers per endpoint, and advanced response handling. Ideal for HubSpot, Mailchimp, ActiveCampaign, Zoho, and Pipedrive integrations. The optional OAuth 2.0 Add-On provides secure token handling and full authorization flows. Perfect for marketers, developers, and agencies seeking flexible, SaaS-free automation workflows.

Web2Phone is a lightweight form backend that sends website form submissions instantly to WhatsApp and email. Simple setup, spam protection, and real-time delivery.

Scan your entire website for WCAG 2.1 & 2.2 compliance issues with real-time progress tracking. Get AI-powered code fixes, automated screenshots, and scheduled scans. 25% off launch special!

Monitor SSL certificates, cron jobs, and APIs. Get instant alerts via Slack, Email, Teams, or Webhook. SSL monitoring, heartbeat monitoring, and schema change detection.

Stop dragging PR reviews for days. Get notifications in your slack DMs: PR review, react & reply to comments, CI/CD failure alerts...

AgentWebhook is a webhook relay service that stores incoming webhook events and allows them to be retrieved via secure pull requests. External services such as Stripe, GitHub, Shopify, and Slack send webhook events to AgentWebhook. Instead of forwarding those events to a public endpoint, AgentWebhook queues and stores them. Your system then retrieves the payloads via HTTPS API or CLI when needed.

Olic.io monitors your cron jobs and automations to prevent silent failures. It acts as a lightweight "Dead Man's Switch" that alerts you immediately if a task misses its expected heartbeat. Designed for fast-moving teams, it offers unlimited monitors and direct integrations with a wide range of channels including Slack, Discord, Email, PagerDuty and Telegram.

The fastest way to expose localhost to the internet. Secure ngrok alternative with custom subdomains, traffic inspection, and static file sharing. Open source and developer-friendly.

DetectZeStack is a REST API that identifies what technologies any website uses. It combines Wappalyzer fingerprinting, DNS CNAME analysis, TLS certificate inspection, and HTTP header matching in a single request. Free tier: 100 requests/month.

It makes it easy for developers to offer top quality webhooks tooling to integrators without reinventing the wheel. Get reliable webhook delivery, with debugging and logging, in minutes.

Awareness is essential to success, but being aware at scale is hard. Especially in an age of rich infographics and process generated media. Leverage the diff.io API to make awareness at scale easy. Track any page, at any frequency.

Obvious.io is a visual monitoring service for websites. Obvious.io uses computer vision to 'see' your website in the same way your customers do.