Best Tools for Developers 2026
Updated: May 2026
Essential development tools, IDEs, and utilities for software engineers. Code faster and ship better software. We've curated 15 tools specifically suited for developers.
- Anodot is our #1 pick for ai observability for developers in 2026.
- We analyzed 15 ai observability for developers tools to create this ranking.
- 10 tools offer free plans, perfect for getting started.
15 AI Observability Tools for Developers
Helicone
Build reliable AI apps with Helicone: AI Gateway & LLM Observability for debugging, routing, and analysis.
Langfuse
Open Source LLM Engineering Platform for debugging and improving your LLM application.
Portkey
Production stack for Gen AI builders: AI Gateway, Observability, Guardrails, Governance, and Prompt Management.
Fiddler AI
An AI Control Plane for enterprise agents, offering observability, security, and governance.
AgentOps
Monitor, evaluate, and improve your AI agents with comprehensive observability.
Monte Carlo
Close the loop between data inputs and agent outputs with an end-to-end Data and AI Observability Platform.
LangSmith
Debug, monitor, and optimize your LLM applications and AI agents with comprehensive observability.
Best AI Observability for Other Use Cases
Frequently Asked Questions
What is the best ai observability tool for developers?
Based on our analysis, Anodot is the top choice for developers, with a score of 89/100.
Are there free ai observability tools for developers?
Yes! Weights & Biases, MLflow, Neptune.ai offer free plans suitable for developers.