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Uptime monitoring with checks every 30 seconds and support for HTTP(S), TCP, and ICMP ping endpoints. Multi-channel alerting including SMS, voice, email, Slack, Telegram, Discord, and webhooks.

Developer tools1 plan

Emailens is an email QA tool that previews how HTML emails render across 21 email clients including Gmail, Outlook, and Apple Mail. It provides compatibility scoring, dark mode simulation, spam analysis, link validation, accessibility checking, image optimization, and deliverability checks in one API call.

Developer tools2 plans

Runscope is an API performance monitoring service that alerts users when their APIs break, helping reduce downtime and support tickets. It supports features like global monitoring locations, integration with popular tools, and AI-assisted scripting.

Developer tools4 plans

PingRival is a website uptime monitoring service that provides instant alerts via email and push notifications. It monitors websites, APIs, and servers 24/7 and offers competitor tracking and public status pages for transparency.

Developer tools3 plansFree plan

Krynia is a company-wide knowledge search tool that indexes one public GitHub repository or bounded Markdown, MDX, text, and CSV uploads to provide concise answers with citations. It enables teams to ask questions in natural language and verify answers by opening the exact source material used.

Developer tools1 plan

ActivitySmith is a real-time backend monitoring service that sends push notifications, live activities, and lock screen widgets to iOS devices. It integrates with various backends and AI agents to keep teams updated on deployments, metrics, and alerts directly on their iPhone lock screens.

Developer tools4 plans

Hoverify is an all-in-one browser extension designed for web developers to inspect, edit, test, debug, capture, and optimize websites from a single tool. It integrates multiple web development tools into one extension to improve productivity and ease daily development tasks.

Developer tools1 plan

Maptoolkit is a suite of Geo APIs providing vector and raster maps, geocoding, routing, and other map services. It is optimized for tourism, outdoors, publishers, and startups, and emphasizes privacy and GDPR compliance as a European alternative to Google Maps.

Developer tools3 plans

chmonitor is an open source, self-hosted monitoring dashboard for ClickHouse clusters that provides real-time insights into queries, merges, parts, replication, and cluster health. It includes an AI advisor for schema and tuning, and supports alerting integrations with Slack, Discord, PagerDuty, and Opsgenie.

Developer tools2 plans

Fajita is an open-source uptime monitoring platform that verifies failures before alerting teams. It monitors websites, APIs, SSL certificates, and cron jobs, offering both self-hosted and managed cloud options.

Developer tools3 plans

Sequo is a tool that transforms a project idea into a working web app by generating a detailed plan, documentation, and step-by-step prompts for AI coding agents like Claude Code or Codex. It organizes the build process into ordered steps with dependencies, allowing users to manage and adjust the project plan interactively while keeping all code and work in the user's own repository.

Developer tools1 plan

Docker is a platform that enables developers to build, share, and run containerized applications with a focus on simplifying setup and enhancing security through isolation and governance. It supports developer workflows from local laptops to scalable environments using open standards and OCI-compliant containers.

Developer tools1 plan

Heroku is a fully managed container-based cloud platform that enables developers to build, deploy, and scale applications using multiple programming languages. It offers integrated data services, a powerful ecosystem, and a developer experience focused on app-centric software delivery with support for popular developer tools and workflows.

Developer tools3 plans

LATdx is a tool that accelerates Salesforce Apex testing by selecting only the tests affected by code changes, caching test results, and integrating with Salesforce CLI workflows for local and CI environments. It builds a dependency graph of Apex code to identify exact tests to run and reuses cached results when dependencies have not changed.

Developer tools2 plans

DevicePorts is a macOS desktop app that manages local projects, Node and .NET processes, Docker Compose services, required ports, dependencies, and live logs from one interface. It orchestrates multiple services and repositories, enforces port contracts, and provides live logs and menu-bar control.

Developer tools2 plans

pdfs.build is a PDF template engine with an API that allows users to define templates, pass JSON data, and render pixel-perfect PDFs in milliseconds. It supports AI-assisted template design, live preview, version control, and integration with AI agents via the Model Context Protocol.

Developer tools4 plans

MobileAPI.dev offers a REST API providing detailed specifications, images, and pricing for over 31,500 mobile devices including smartphones, tablets, laptops, and smartwatches. The API supports structured data across 12 specification categories, fuzzy search, autocomplete, and AI-powered natural language queries for device information retrieval.

Developer tools2 plans

MoniTao is a cloud-based monitoring tool that continuously checks websites, APIs, SSL certificates, DNS records, and scheduled tasks to ensure service availability and performance. It alerts users via email or SMS before their customers notice issues, without requiring any installation on servers.

Developer tools2 plans

Grafana Cloud is an AI-powered observability platform built on open standards that unifies metrics, logs, traces, profiles, and business data. It supports full-stack observability and integrates with existing tools without requiring rip-and-replace, offering features like AI assistant, adaptive telemetry for cost optimization, and incident response management.

Developer tools3 plansFree plan

BesTest is a Jira-native test management tool that connects requirements, test cases, and execution within Jira. It supports manual, CI-driven, and AI-supported testing workflows, providing traceability, review workflows, and comprehensive reporting inside Jira.

Developer tools3 plansFree plan

HookSense is a free online webhook tester and inspector that captures incoming webhooks, verifies HMAC signatures, and replays them from various providers like Stripe, GitHub, and Shopify without requiring signup. It includes an MCP callback layer allowing AI agents to create and await signed callbacks instead of polling, providing a live inspector, replay capabilities, and a persistent URL with encrypted payload storage and configurable retention.

Developer tools4 plansFree plan

Clautel is an open-source background daemon that bridges Claude Code CLI to Telegram, enabling per-project bots and session continuity. It requires a Claude Pro or Max subscription and runs as a background process on your machine.

Developer tools2 plans

mydev.day is an AI-powered developer diary that automatically creates dated, illustrated entries from AI agent sessions and GitHub commits. It consolidates all development activity into one diary without manual journaling or dev logs.

Developer tools1 plan

Markdown Anything is a REST API and SDK platform that converts various file types including documents, images, and audio into clean, structured Markdown optimized for large language models (LLMs), retrieval-augmented generation (RAG), and AI agents. It supports over 20 file formats and offers a native Model Context Protocol (MCP) server for seamless integration with AI agents, providing 500 free conversions monthly without requiring a credit card.

Developer tools4 plans

CleanExtraSpace is a native SwiftUI Mac application designed to reclaim storage by cleaning developer-related caches and files such as Xcode DerivedData, Android Gradle caches, and NPM packages. It emphasizes safety with a multi-layer SafetyGuard, fast performance without background daemons, and no subscriptions with a one-time purchase option.

Developer tools1 plan

Shipping onboarding flows and experiments without waiting for App Store releases. Remote config allows pushing changes without a new app release and enables instant rollback with zero review waits. A/B testing to know what converts before shipping, with no code changes needed and per-screen funnel data.

Developer tools1 plan

changelogfa.st automates the creation and distribution of release notes by converting every merge or GitHub release into tailored announcements for different audiences. It integrates with multiple tools to send release notes to Slack, email, and a public changelog page within 60 seconds of a release, saving time and effort.

Developer tools3 plans

EmailAgent.dev provides an API-first email infrastructure designed for AI agent workflows, allowing users to create inboxes, attach custom domains, and manage email workflows programmatically. It offers SDKs for TypeScript and Python and supports provisioning inboxes, sending and receiving emails, and controlling access with scoped API keys.

Developer tools1 plan

Mockerito is a cloud service for creating custom mock REST APIs without server setup or installation. It allows defining endpoints, JSON responses, and simulating errors with API key authentication, enabling frontend work, tests, and CI to proceed without backend dependencies.

Developer tools1 plan

Cronhost is a web-based cron scheduling service that executes HTTP webhooks reliably with retries and failure alerts. It supports any HTTP endpoint and schedule, providing monitoring and detailed run history for each job.

Developer tools3 plans