4 Open Source Alternatives to OhDear!

A list of 4 carefully selected open-source alternatives to OhDear!.

Adrian
Created by
Adrian
Mar 9, 2025Updated5 min read

The open-source alternatives are ranked based on our custom ranking system and score. This system takes into account various factors to determine the best alternatives.

If you’re looking for alternative features or workflows, here is a prepared detailed list of OhDear! open-source alternatives — each with its own distinctive strengths and key features.

#1
Uptime Kuma logo

Uptime Kuma

65,612
5,793

Uptime Kuma is a self-hosted monitoring tool that delivers a sleek and efficient way to track website uptime and server performance. It offers an easy-to-use dashboard with quick deployment options like Docker, making it ideal for users seeking full control of their monitoring setup.

Uptime Kuma screenshot

Key Features

  • Self-hosted monitoring solution
  • Real-time uptime and performance tracking
  • Easy Docker deployment
  • Live demo for instant evaluation
  • Comprehensive documentation for user guidance

Uptime Kuma enables users to monitor websites and servers in real-time with a modern interface. The tool provides a live demo to explore its features, detailed documentation for easy setup, and a straightforward Docker deployment command for consistent performance and reliability.

#2
OpenStatus logo

OpenStatus

6,913
445

OpenStatus is an open-source synthetic monitoring platform designed to help you monitor APIs and websites on a global scale. The tool detects performance issues and downtime, ensuring you receive alerts before your users are affected.

OpenStatus screenshot

Key Features

  • Global synthetic monitoring covering API, DNS, SSL, SMTP, and more
  • Real-time latency monitoring from all continents
  • Integration with OpenTelemetry for advanced observability
  • Customizable status pages with custom domains and subscription features
  • Robust alerting system with multi-channel notifications to reduce alert fatigue

OpenStatus monitors your services by testing API endpoints, DNS, SSL, SMTP, ping, and web pages from various global locations. Its features include latency monitoring, integration with OpenTelemetry, and comprehensive alerting capabilities through channels like Email, SMS, Slack, and Discord. Additionally, the platform offers customizable status pages that build trust and reduce customer service inquiries.

#3
OneUptime logo

OneUptime

4,949
239

OneUptime is the complete open-source observability platform that brings together monitoring, incident management, status pages, on-call scheduling, and log analysis in one unified solution. Designed for both startups and enterprise teams, it ensures reliable software delivery with comprehensive features and seamless integrations.

OneUptime screenshot

Key Features

  • All-in-one SRE toolchain including monitoring, status pages, incident management, on-call, logs, APM, and more
  • Open-source with a free self-hosting option and a generous free SaaS plan
  • Extensive integrations including Slack, Teams, and 5000+ third-party tools
  • AI-powered Reliability Copilot for automatic error detection and fixes
  • Enterprise-grade security features such as SSO, advanced access controls, and custom data residency

OneUptime consolidates 8+ essential tools into a single platform, offering real-time monitoring, beautiful status pages, efficient incident management, robust on-call alerts, and powerful log and performance analysis. The platform supports extensive integrations, advanced workflows, and even AI-driven error resolution through its Reliability Copilot feature, enabling teams to quickly detect, debug, and resolve issues while improving system reliability.

Statusnook is a self-hosted status page solution that lets you deploy a customizable status page and monitor endpoints in minutes. It enables you to effortlessly set up incident alerts and maintenance updates via email and Slack with minimal configuration.

Statusnook screenshot

Key Features

  • Effortless deployment with multiple installation paths
  • Automatic HTTPS configuration and certificate renewal
  • Customizable endpoint monitors and high frequency checks
  • Incident and maintenance timeline for public status pages
  • Integration with Slack and SMTP for alert notifications
  • Official Docker images and in-app updates for smooth upgrades

Statusnook offers a straightforward deployment process using various methods including standalone installation, reverse proxy, Docker, or a one-click cloud deployment. The tool provides customizable monitors that support high frequency checks and adjustable HTTP methods, headers, and bodies. It automatically configures HTTPS with certificate renewal and includes in-app updates for seamless upgrades. Additionally, build and share a public status page featuring incident timelines and health summaries while privately receiving monitor alerts through Slack and SMTP integrations.

Price comparison of OhDear! open-source alternatives

ToolTier 1Tier 2Tier 3Details
OneUptime logo
OneUptime
$0
Free
$20
Growth
$84
Scale
Learn more

* Pricing shown is based on publicly available information and may not reflect current rates. Visit each tool's website for detailed pricing information and additional tiers.

About OhDear!

Oh Dear is an all-in-one monitoring tool for your entire website. With Oh Dear, you can ensure that your website is always running smoothly and flawlessly. It offers a comprehensive range of features to improve customer experience and keep your site in top shape. Oh Dear allows you to monitor various aspects of your website, including uptime, SSL certificates, broken links, scheduled tasks, and more. With its advanced monitoring capabilities, you can detect and fix issues before they impact your users. One of the standout features of Oh Dear is its ability to notify the right people when something needs fixing. This ensures that problems are addressed promptly, minimizing downtime and maximizing customer satisfaction. Moreover, you can also inform your customers about any issues through branded status pages, maintaining transparency and trust. Trusted by tech teams, developers, and marketing professionals alike, Oh Dear is the go-to solution for website monitoring. Try Oh Dear today and experience the convenience of having all your monitoring needs met in one place. Sign up for free and see the difference it makes for your website.
This comparison data was compiled with AI assistance.
OhDear! logo

OhDear!

Complete website monitoring: from multiple locations, broken links & mixed content detection & advanced ssl certificate reporting.

Founded

2018

Employees

2

Location

Lier, Belgium

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