Apps similar to Zespan include Helicone, which is open source and free for personal use. Other options are Langfuse, Observyze and Future AGI. In total there are four Large Language Model (LLM) Tools like Zespan for the web and self-hosting.
Helicone is the open-source LLM observability platform for developers to monitor, debug, and improve production-ready applications.
United States
Open source LLM engineering platform: LLM Observability, metrics, evals, prompt management, playground, datasets. Integrates with OpenTelemetry, Langchain, OpenAI SDK, LiteLLM, and more.
Germany
EU
AI observability platform for monitoring LLM applications, tracing requests, tracking costs, and improving AI reliability.
FutureAGI is an open-source, end-to-end AI agent engineering platform built for teams shipping production AI agents. It covers the full lifecycle: simulate edge cases before launch, evaluate every agent decision and trace, catch hallucinations in real time, auto-optimize, and...
United States
India
