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Generate, customize, and track professional QR codes with real-time analytics. Start free — no credit card required. 40+ QR types including URL, WiFi, vCard & more. Dynamic URL Editing: Change the destination URL anytime, even after printing. Fix typos, update content, or rotate offers without reprinting. Advanced Customization: Align with your brand identity using custom colors, logos, frames, and patterns. Stand out from the crowd. Real-Time Analytics: Track scan performance, user locations, device types, and operating systems in real-time. Export data for deeper insights. High-Res Downloads: Export QR codes in vector (SVG, EPS) or raster (PNG, JPG) formats. Perfect for billboards, packaging, and digital use. Password Protection: Secure confidential content with password gates. Ensure only authorized users can access your sensitive data. 99.9% Uptime Guarantee: Built on a global CDN ensuring 99.9% uptime, lightning-fast redirects, and low latency worldwide. Smart Redirect Rules: Dynamically route users based on their device type, country, language, or time of day. Optimize user journeys automatically. Expire Rules: Set automatic expiration dates or scan limits for your QR codes. Perfect for limited-time offers and temporary access. White Label Domains: Establish brand trust with custom domains (e.g., qr.yourbrand.com). Remove third-party branding completely. 40+ QR Code Types: Create URL, PDF, vCard, WiFi, Email, SMS, Location, and more. All optimized for any device. | Simple API monitoring and analytics with metrics, request logs, traces, and alerts. Apitally provides opinionated dashboards that make it easy to understand API usage, monitor performance, and troubleshoot issues. It integrates with over 20 popular web frameworks in Python, JavaScript, Go, .NET and Java, and only takes a few minutes to set up. |
Dynamic URL QR Codes, Real-Time QR Code Analytics, Email Summaries, Lead Generation Forms, Access Consent Gate, Expire Rules, Smart Redirect Rules, Retargeting Pixels, Password Protection, Advanced Customization, Readability Score, Bulk Creation, White Label Domains, High-Res Downloads, 40+ QR Code Types, 99.9% Uptime Guarantee, SSO & GDPR Compliance, Premium Support | api monitoring, api analytics, api logging, api observability, api metrics, api request logs, api uptime, tracing, alerting |
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Grafana is a general purpose dashboard and graph composer. It's focused on providing rich ways to visualize time series metrics, mainly though graphs but supports other ways to visualize data through a pluggable panel architecture. It currently has rich support for for Graphite, InfluxDB and OpenTSDB. But supports other data sources via plugins.

Papertrail helps detect, resolve, and avoid infrastructure problems using log messages. Papertrail's practicality comes from our own experience as sysadmins, developers, and entrepreneurs.

Kibana is an open source (Apache Licensed), browser based analytics and search dashboard for Elasticsearch. Kibana is a snap to setup and start using. Kibana strives to be easy to get started with, while also being flexible and powerful, just like Elasticsearch.

Prometheus is a systems and service monitoring system. It collects metrics from configured targets at given intervals, evaluates rule expressions, displays the results, and can trigger alerts if some condition is observed to be true.

Get a clear overview of what is happening across your distributed environments, and spot the needle in the haystack in no time. Build dynamic analyses and identify improvements for your software, your user experience and your business.

It is a SaaS solution to manage your log data. There is nothing to install and updates are automatically applied to your Loggly subdomain.

Logentries makes machine-generated log data easily accessible to IT operations, development, and business analysis teams of all sizes. With the broadest platform support and an open API, Logentries brings the value of log-level data to any system, to any team member, and to a community of more than 25,000 worldwide users.

Logstash is a tool for managing events and logs. You can use it to collect logs, parse them, and store them for later use (like, for searching). If you store them in Elasticsearch, you can view and analyze them with Kibana.

Nagios is a host/service/network monitoring program written in C and released under the GNU General Public License.

Netdata collects metrics per second & presents them in low-latency dashboards. It's designed to run on all of your physical & virtual servers, cloud deployments, Kubernetes clusters & edge/IoT devices, to monitor systems, containers & apps