Best Tools for Freelancers 2026

Continuously optimize Kubernetes CPU and GPU allocation to reduce cloud spend and improve performance.

An AI Control Plane for enterprise agents, offering observability, security, and governance.

Track your Claude AI usage directly from your macOS menu bar.

Test, monitor, and visualize geospatial APIs to accelerate development and ensure reliability.

Open-source IoT platform for device management, data collection, processing, and visualization.

Open source session replay and monitoring

A user-friendly disk usage/free utility for multiple operating systems.

Collect, organize, and alert on software errors and performance in real-time, affordably.

Cloud Optimization Platform: Control costs, gain visibility, and automate savings across all your clouds.

Remotely control and monitor your 3D printer from a web browser.

Free website monitoring

Monitor your services and applications with a powerful, customizable status page.

Debug, monitor, and optimize your LLM applications and AI agents with comprehensive observability.

The universal, open-source observability solution for IT & OT infrastructure.

Autonomous monitoring and troubleshooting with self-learning AI across your entire stack.