VMs, containers, AI, databases, storage | build anything. No commitment to start.
Start your project in minutes. After credits run out, 20+ products include free monthly usage. Only pay when you're ready to scale with Google Cloud.
Start Building Free
Powerful App Monitoring Without Surprise Bills
AppSignal starts at $23/month with all features included. No overages, no hidden fees. 30-day free trial.
Tired of monitoring tools that punish you for scaling? AppSignal offers transparent, predictable pricing with every feature unlocked on every plan. Track errors, monitor performance, detect anomalies, and manage logs across Ruby, Python, Node.js, and more. Trusted by developers since 2012 with free dev-to-dev support. No credit card required to start your 30-day trial.
PRTOS is a simple, compact preemptive RTOS for embedded systems
PRTOS is an open-source preemptive real time operating system kernel for embedded applications. It presently supports the AVR and MSP430 architectures.
The advantages of PRTOS are:
It has the smallest footprint of any true preemptive system: 1.9kB for basic scheduling and task control, 5.1kB with all the features below (AVR '328 / gcc -Os);
Only 950 lines of code implement all of the RTOS features (SLOC-L);
The system is well documented with a comprehensive manual,...