🧊 Open source LLM observability platform. One line of code to monitor, evaluate, and experiment. YC W23 🍓
☆6,164Sep 16, 2026Updated this week
Alternatives and similar repositories for helicone
Users that are interested in helicone are comparing it to the libraries listed below. We may earn a commission when you buy through links labeled 'Ad' on this page.
Sorting:
- 🪢 Open source agent evals & observability: Trace, evaluate, and improve LLM applications with one open platform.☆34,810Updated this week
- A blazing fast AI Gateway with integrated guardrails. Route to 1,600+ LLMs, 50+ AI Guardrails with 1 fast & friendly API.☆13,036May 25, 2026Updated 3 months ago
- The fastest, litest AI Gateway. Rust core with Python SDK. Call 100+ LLM APIs in OpenAI (or native) format with cost tracking, guardrails…☆59,154Updated this week
- Agenta is a workspace where you and your team build agents and automations.☆4,765Updated this week
- AI Observability & Evaluation☆11,540Updated this week
- Proton VPN Special Offer - Get 70% off • AdSpecial partner offer. Trusted by over 100 million users worldwide. Tested, Approved and Recommended by Experts.
- Build, run, and manage agent platforms.☆42,246Updated this week
- The SDK to extract data and interact with any site on the web. Get started with Claude Code, Codex, Eve, Mastra, and more.☆24,506Updated this week
- The platform for LLM evaluations and AI agent testing☆4,818Updated this week
- The Memory Layer for AI Agents - Drop-in memory infrastructure for AI agents and apps. Context that persists. Built for production.☆65,640Updated this week
- Laminar - open-source observability platform purpose-built for AI agents. YC S24.☆3,267Updated this week
- Platform for stateful agents: AI with advanced memory that can learn and self-improve over time.☆24,799Sep 10, 2026Updated last week
- Debug, evaluate, and monitor your LLM applications, RAG systems, and agentic workflows with comprehensive tracing, automated evaluations,…☆22,132Updated this week
- Mastra is the modern TypeScript framework for AI-powered applications and agents.☆28,179Updated this week
- The LLM Evaluation Framework☆18,335Updated this week
- Serverless GPU API endpoints on Runpod - Get Bonus Credits • AdSkip the infrastructure headaches. Auto-scaling, pay-as-you-go, no-ops approach lets you focus on innovating your application.
- Trigger.dev – build and deploy durable AI agents and workflows☆16,342Updated this week
- Build AI Agents, Visually☆55,468Aug 13, 2026Updated last month
- Open-source, secure environment with real-world tools for enterprise-grade agents.☆13,883Updated this week
- DSPy: The framework for programming—not prompting—language models☆38,146Updated this week
- The Frontend Stack for Agents & Generative UI. React, Angular, Mobile, Slack, and more. Makers of the AG-UI Protocol☆37,416Updated this week
- AI Agents & MCPs & AI Workflow Automation • (~400 MCP servers for AI agents) • AI Automation / AI Agent with MCPs • AI Workflows & AI Age…☆24,558Updated this week
- Framework for orchestrating role-playing, autonomous AI agents. By fostering collaborative intelligence, CrewAI empowers agents to work t…☆58,764Updated this week
- Python SDK for AI agent monitoring, LLM cost tracking, benchmarking, and more. Integrates with most LLMs and agent frameworks including C…☆5,829Jun 25, 2026Updated 2 months ago
- Build Real-Time Knowledge Graphs for AI Agents☆31,009Updated this week
- Deploy on Railway without the complexity - Free Credits Offer • AdConnect your repo and Railway handles the rest with instant previews. Quickly provision container image services, databases, and storage volumes.
- Test your prompts, agents, and RAGs. Red teaming/pentesting/vulnerability scanning for AI. Compare performance of GPT, Claude, Gemini, De…☆25,285Updated this week
- A framework for building realtime voice AI agents 🤖🎙️📹☆14,270Updated this week
- The fastest, lightest, and easiest-to-integrate AI gateway on the market. Fully open-sourced.☆630Nov 21, 2025Updated 9 months ago
- Superagent protects your AI applications against prompt injections, data leaks, and harmful outputs. Embed safety directly into your app …☆6,752Aug 25, 2026Updated 3 weeks ago
- 🙌 OpenHands: AI-Driven Development☆88,512Updated this week
- Open-source AI orchestration framework for building context-engineered, production-ready LLM applications. Design modular pipelines and a…☆26,551Updated this week
- Typescript/React Library for AI Chat 💬🚀☆12,210Updated this week
- Sim is the collaborative workspace to build, deploy, and monitor AI agents and workflows. Used by 100,000+ builders.☆29,675Updated this week
- LlamaIndex is the document processing platform for AI☆52,228Updated this week
- Deploy on Railway without the complexity - Free Credits Offer • AdConnect your repo and Railway handles the rest with instant previews. Quickly provision container image services, databases, and storage volumes.
- 🔥 Open Source Browser API for AI Agents & Apps. Steel Browser is a batteries-included browser sandbox that lets you automate the web wit…☆7,666Updated this week
- aider is AI pair programming in your terminal☆49,057May 22, 2026Updated 3 months ago
- Autonomous coding agent as an SDK, IDE extension, or CLI assistant.☆68,763Updated this week
- The leading workflow orchestration platform. Run stateful step functions and AI workflows on serverless, servers, or the edge.☆5,850Updated this week
- Developer-friendly OSS embedded retrieval library for multimodal AI. Search More; Manage Less.☆11,472Updated this week
- Open-source observability & evaluation platform for AI agents and coding agents. Trace LLMs, tools, prompts, costs & agent workflows with…☆2,772Updated this week
- open-source coding agent☆35,953Updated this week