Find free alternative to Datadog for developers - 2025

Allma

Dont just manage your incidents, collaborate on them with the entire company. Manage alerts, tickets, and timelines of events all from within the comfort of your Slack instance.

Tags: monitoring, status

APIToolkit

Build and maintain your APIs with Less downtimes, Fewer support tickets, Faster time to resolution and always up to date insights into your APIs

Tags: api, monitoring

bleemeo

Servers, Containers, and Applications Monitoring Cloud solution, offering real-time dashboards and notifications using Prometheus, StatsD, and OpenMetrics.

Tags: monitoring

Checkly

Checkly is the API & E2E monitoring platform for the modern stack: programmable, flexible and loving JavaScript.

Tags: monitoring

CTFreak

IT task scheduler to centralize concurrent and remote execution of bash/powershell/sql scripts, http requests, workflows, ...

Tags: scheduling, workflow, cron, monitoring, ssh

DiCloud Monitoring

Server Performance and Uptime Monitoring. Real-time monitoring, instant alerts, and customizable status pages.

Tags: server, monitoring

Highlight

highlight.io is the open source monitoring platform that gives you the visibility you need.

Tags: monitoring

Inspector

Inspector: Simple Code Execution Monitoring, built for NodeJs, PHP, and Laravel developers: identify bugs and bottlenecks in your apps!

Tags: monitoring

Loado — Performance Monitoring for Websites

Track your website performance and get insights to improve your Core Web Vitals. Get started for free.

Tags: frontend, monitoring

LogRocket

LogRocket helps you understand problems affecting your users, so that you can get back to building great software.

Tags: monitoring, logging

Monika - Free and Open Source Synthetic Monitoring Tool

Free and Open Source Synthetic Monitoring Tool

Tags: monitoring

NetData

Monitor everything in real time. Troubleshoot slowdowns and anomalies in your infrastructure with thousands of per-second metrics, meaningful visualizations, and insightful health alarms with zero configuration.

Tags: monitoring

OneUptime

OneUptime monitors websites, API's, and servers and alerts your team if something goes wrong. It also keeps your customers updated about any downtime.

Tags: monitoring

Pagerly

Pagerly is a Slack App which helps managing and simplifying Oncalls, Rotations , Incidents . Integrates with PagerDuty, Opsgenie, Jira

Tags: monitoring

Pulsetic

Monitor your webpage's status with our free website uptime monitoring service. Check live availability and receive real-time alerts, never miss any downtime.

Tags: monitoring

Rexpiry

Never again suffer from expired SSL certificates or domain names.

Tags: monitoring, security

Sentry

Self-hosted and cloud-based application monitoring that helps software teams discover, triage, and prioritize errors in real-time.

Tags: status, monitoring, logging

Sumo Logic

Sumo Logic provides best-in-class cloud monitoring, log management, Cloud SIEM tools, and real-time insights for web and SaaS based apps.

Tags: monitoring

Uptime Kuma

A self-hosted monitoring tool

Tags: monitoring

UptimeObserver

Uptime Monitoring For All Of Your Online Services

Tags: monitoring

ClamAV

Open source antivirus engine for detecting trojans, viruses, malware & other malicious threats.

Tags: antivirus, security

GraphQL.Security

One-click security scan of your GraphQL endpoints. Free, no login required.

Tags: api, security, graphql

Aikido

Discover vulnerabilities and security issues with Aikidos all-in-one AppSec platform. Start free and get your web app secured in 2 minutes.

Tags: security

ALTCHA

Privacy-focused, fast, highly accurate anti-spam for websites and APIs. Eliminate spam before it reaches you.

Tags: anti-spam, spam-filter, captcha, security

blockedbycors.dev

Discover the ultimate resource for CORS issue troubleshooting - our toolbox and knowledge base offer invaluable insights and effective fixes.

Tags: web-development, security

Cloudflare

Here at Cloudflare, we make the Internet work the way it should. Offering CDN, DNS, DDoS protection and security, find out how we can help your site.

Tags: CDN, SSL, DNS, security

DDOS-Guard

Powerful and complete DDoS Protection for your business. Remote website protection, protected hosting, VDS and more. Instant Activation and 24/7 DDoS Response Team.

Tags: SSL, security

Escape - OpenAPI Security

OpenAPI Security by Escape - Scan your OpenAPI or Swagger-based API

Tags: security, openapi, testing

FingerprintJS

Stop fraud, spam, and account takeovers with 99.5% accurate browser fingerprinting as a service.

Tags: security, fraud-detection, fraud-prevention

freeRASP

freeRASP is a Community-driven In-App Protection and User Safety suite. - GitHub - talsec/Free-RASP-Community: freeRASP is a Community-driven In-App Protection and User Safety suite.

Tags: security, fraud-detection, fraud-prevention, android, flutter, ios

LoginLlama

Use LoginLlama to detect suspicious logins and protect your users from hackers.

Tags: security, authentication

Privacy Tools Guide

The most reliable website for privacy tools since 2015. Software, services, apps and privacy guides to fight surveillance with encryption for better internet privacy.

Tags: security, privacy

Privacy Guides

Privacy Guides is your central privacy and security resource to protect yourself online.

Tags: security, privacy

Rexpiry

Never again suffer from expired SSL certificates or domain names.

Tags: monitoring, security

Snyk

Snyk helps software-driven businesses develop fast and stay secure. Continuously find and fix vulnerabilities for npm, Maven, NuGet, RubyGems, PyPI and more.

Tags: security

SonarCloud

Enhance your workflow with continuous code quality, SonarCloud automatically analyzes and decorates pull requests on GitHub, Bitbucket, Azure DevOps and GitLab on major languages.

Tags: clean-code, security, code-review

StaticShield

StaticShield is the easiest way to password protect websites

Tags: security

ZAP (Zed Attack Proxy)

Open-source tool with numerous features like dynamic analysis, fuzzing, session handling, and reporting. Supports HTTP, SOAP, and REST APIs.

Tags: testing, security-testing, security

Zuplo

Zuplo is fully-managed API Management designed for developers. Add rate-limiting, authentication and more as fast as you can commit to git.

Tags: api, security