Spy++ (SPYXX.EXE) is a Win32-based utility, included in Microsoft Visual Studio , that gives you a graphical view of the system’s processes, threads, windows, and window messages.
Cost / License
- Free Personal
- Proprietary
Platforms
- Windows
- Microsoft Visual Studio


Providing real time diagnostics & insights to the fingertips of hundreds of thousands of developers daily.



Grafana Tempo is an open-source, easy-to-use, and high-scale distributed tracing backend. Tempo lets you search for traces, generate metrics from spans, and link your tracing data with logs and metrics.
Cost / License
- Free
- Open Source (AGPL-3.0)
Platforms
- Self-Hosted
- Docker
- Kubernetes



Cost / License
- Freemium
- Open Source (Apache-2.0)
Application type
Platforms
- Online
- Self-Hosted
- Software as a Service (SaaS)
- Docker

Cost / License
- Free
- Open Source
Platforms
- Linux
Online tool to practice your drawing / painting skills. Challenged to sketch image within 2 minute bounds. Suggests use of drawing tablet.



Simplified Monitoring for Complex Applications Achieve deep observability, strong correlation and improved resolution time for Cloud Native Applications.
Cost / License
- Paid
- Proprietary
Application type
Platforms
- Software as a Service (SaaS)


+2
A free, browser-based tool for classical and traditional artists: analyze values, compare reference and live webcam, overlay grids, and more.
Cost / License
- Freemium
- Proprietary
Platforms
- Online



Cost / License
- Free
- Open Source
Platforms
- Windows
- Linux
- BSD
- Solaris


+4
Spanlens is open-source LLM observability built for application developers. Drop in a one-line proxy or SDK swap and every OpenAI, Anthropic, or Gemini call your app makes is captured with full request and response body, model, tokens, cost, and latency.
Cost / License
- Freemium
- Open Source (MIT)
Platforms
- Software as a Service (SaaS)
- Docker


+2
Crewship is the developer-first platform for deploying AI agent workflows. Deploy your agents, crews, and workflows with a a single command and watch them execute in real-time.
Cost / License
- Freemium
- Proprietary
Platforms
- Online


+1
Developed by EPA's Water Supply and Water Resources Division, EPANET is software that models water distribution piping systems. It is a Windows 95/98/NT/XP program that performs extended-period simulation of the hydraulic and water quality behavior within pressurized pipe...
Cost / License
- Free
- Open Source
Platforms
- Windows
- Linux
- Wine

Crypto Logger For .Net is a flexible and high-performance logging framework for your .Net software. Crypto Logger comes with a powerful yet easy-to-use logging console to view, search, analyze and manage log data and perform remote-logging and live-logging.
Cost / License
- Paid
- Proprietary
Platforms
- Windows
- Windows Mobile
- Windows Phone
- Microsoft Visual Studio

WireQuery is a full-stack session replay tool. Using WireQuery, you can see how a user experiences an issue through a video-like frontend recording.
Kamon is an application performance monitoring tools that helps developers find and fix performance issues in Akka and Play Framework microservices.
Cost / License
- Freemium
- Proprietary
Platforms
- Software as a Service (SaaS)
ktap is a script-based dynamic tracing tool for Linux. It uses a scripting language and lets users trace the Linux kernel dynamically. ktap is designed to give operational insights with interoperability that allows users to tune, troubleshoot and extend the kernel and...
Cost / License
- Free
- Open Source
Platforms
- Linux
Archium is an interactive architecture model of your system created automatically from your distributed tracing data.
Cost / License
- Paid
- Proprietary
Platforms
- Software as a Service (SaaS)



Trace a picture. Draw curves and lines over the picture. You can then print or export this lines without the picture. You can export as DXF, EMF, SVG (vector data) or as picture (JPG. BMP etc.). You can use the program for example to trace a graphic to include it into a...
Cost / License
- Paid
- Proprietary
Platforms
- Windows

Grovetracks is a free, browser-based drawing and doodling app built around remix. Every composition carries its lineage. When someone branches from your work, the connection is automatic and your name follows the piece wherever it goes.
Cost / License
- Free
- Proprietary
Platforms
- Online


+2
Detection-first observability that automatically detects issues and drafts cited root-cause analysis across logs, metrics and traces.
Cost / License
- Paid
- Proprietary
Platforms
- Online
- Software as a Service (SaaS)


































































