Build VMs, containers, AI, databases, storage—all in one place.
Start your project in minutes. After credits run out, 20+ products include free monthly usage. Only pay when you're ready to scale.
Get Started
Full-stack observability with actually useful AI | Grafana Cloud
Our generous forever free tier includes the full platform, including the AI Assistant, for 3 users with 10k metrics, 50GB logs, and 50GB traces.
Built on open standards like Prometheus and OpenTelemetry, Grafana Cloud includes Kubernetes Monitoring, Application Observability, Incident Response, plus the AI-powered Grafana Assistant. Get started with our generous free tier today.
A 3-channel fully automated Dew Controller (DIY project) based on Arduino Nano for telescopes. For $48 or less.
(c) Copyright Robert Brown 2014-2025. All Rights Reserved.
Permission is granted for personal and Academic use only. Code or portions of code may not be copied or used without appropriate credit given to author.
A very popular project with over 48,000 downloads.
There is a new ESP32 WiFi version at https://sourceforge.net/projects/esp32-dew-controller/
The older...
A suite of RPN calculators and a class library for Object Pascal
...Class Libraries:
• RPN Engine: Full-featured calculation engine for Pascal-based RPN calculators
• Segmitator: Library for virtual seven-segment displays
Applications:
• TRURL A: Simple demo app for the RPN Engine
• TRURL B: RPN calculator in the design of the famous calculators by Dieter Rahms for Braun
• TRURL G: Desktop RPN calculator inspired by the UI of the DSKY unit of the Apollo Guidance Computer (AGC)
mbutils is a library and set of utilities written in FreePascal/Lazarus with intention to provide developers with free and robust tools to communicate with Modbus devices.
GraphCAD is a pseudo 3D Computer Aided Design (CAD) program to modeling dinamic and static objects, basics on graph theory. GraphCAD may be used as GIS, Medical Disgnostic, Engineering, Education and Mathematical modeling tool.