Langfuse
Helicone AI
LangSmith
LangChain
Braintrust.dev
Openlayer
Portkey
LastMile AI
Buglesstack
Datadog
Sentry.io
LogRocket
Dynatrace
AppSignal
BugSnag
Raygun
Langfuse is an open-source LLM engineering platform designed to empower developers by providing insights into user interactions with their LLM applications. We offer tools that help developers understand usage patterns, diagnose issues, and improve application performance based on real user data. By integrating seamlessly into existing workflows, Langfuse streamlines the process of monitoring, debugging, and optimizing LLM applications. Our platform's robust documentation and active community support make it easy for developers to leverage Langfuse for enhancing their LLM projects efficiently. Whether you're troubleshooting interactions or iterating on new features, Langfuse is committed to simplifying your LLM development journey.
Buglesstack is a debugging platform built specifically for developers using browser automation tools like Puppeteer, Selenium, Playwright, and Cypress. It helps detect, log, and diagnose errors in headless browser scripts by capturing rich debugging data such as crash screenshots, HTML snapshots, and stack traces.
Langfuse BuglesstackNo Buglesstack videos yet. You could help us improve this page by suggesting one.
Buglesstack's answer:
Buglesstack's answer:
Unlike generic error trackers, it captures visual crashes, HTML, and context-specific logs from tools like Puppeteer or Playwrightโmaking debugging fast, visual, and actionable. No extra setup. No noise. Just answers.
Buglesstack's answer:
Buglesstack was originally built as an internal debugging tool for afipsdk.com, a platform that automates government API interactions using headless browsers. After solving real-world issues in production scraping and automation, it evolved into a standalone solution for developers using tools like Puppeteer, Playwright, Selenium, and Cypress. Today, Buglesstack serves engineers who need reliable, visual debugging for browser automation at scale.
Buglesstack's answer:
It captures crash screenshots, HTML snapshots, and stack traces to help developers detect, log, and fix errors in headless browser scripts.
Buglesstack's answer:
Buglesstackโs primary audience is developers and automation engineers who build and maintain browser automation scripts using tools like Puppeteer, Playwright, Selenium, or Cypress. This includes:
- ๐งโ๐ป Web scrapers who need to debug flaky selectors and page timeouts
- ๐งช QA engineers running headless browser tests in CI pipelines
- ๐๏ธ Automation teams maintaining bots for tasks like form submissions, screenshots, or data extraction
- ๐ DevOps or SREs monitoring browser-based jobs for stability and uptime
They value fast debugging, visual context, and low-friction integration
Buglesstack's answer:
Buglesstack is built using a modern, scalable tech stack:
- Node.js โ for backend services and Puppeteer-based job handling
- Astro โ for fast, lightweight frontend rendering
- PostgreSQL โ as the primary relational database
- Heroku โ for app deployment and job orchestration
- AWS Amplify โ for frontend hosting and CI/CD
- AWS SES โ for reliable transactional email delivery
This stack ensures performance, reliability, and easy scaling for debugging browser automation workloads.
Based on our record, Langfuse seems to be more popular. It has been mentiond 28 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
In this project we will build a Python banking assistant agent using Strands Agents and make it observable and continuously evaluated using Langfuse โ step by step. - Source: dev.to / 20 days ago
Langfuse is the open-source standard for LLM observability. It traces every LLM interaction โ prompts, completions, latency, token usage, cost โ and provides the tooling to debug, evaluate, and optimize LLM applications in production. Think of it as "Datadog for LLM calls" with a focus on prompt engineering workflows. - Source: dev.to / about 1 month ago
You're monitoring production traffic. You need Langfuse / Phoenix / Helicone / Braintrust for that. Online eval is a different problem class: implicit feedback, drift detection, hallucination rates on your data, not on HellaSwag. - Source: dev.to / about 2 months ago
Gateway or proxy attribution. A reverse proxy in front of the model-provider API records the request, computes the cost, and exposes per-customer breakdowns. Open-source options include Helicone, LiteLLM, Langfuse, and OpenLLMetry. Hosted equivalents serve as the AI cost observability layer for teams that want centralized visibility: LangSmith, Datadog LLM Observability, Arize Phoenix. Adds a network hop.... - Source: dev.to / about 2 months ago
Same approach works with Langfuse, Phoenix, Braintrust, or your existing OTel pipeline โ the metadata.userId pattern is the universal part. - Source: dev.to / 2 months ago
Helicone AI - Open-source LLM Observability for Developers
Datadog - See metrics from all of your apps, tools & services in one place with Datadog's cloud monitoring as a service solution. Try it for free.
LangSmith - Build and deploy LLM applications with confidence
Sentry.io - From error tracking to performance monitoring, developers can see what actually matters, solve quicker, and learn continuously about their applications - from the frontend to the backend.
LangChain - Framework for building applications with LLMs through composability
LogRocket - LogRocket combines session replay, performance monitoring, and product analytics โ empowering teams to create the ideal product experience.