
Helicone AI
LangSmith
LangChain
Portkey
Braintrust.dev
PromptLayer
liteLLM
Langfuse is an open-source LLM engineering platform that helps teams collaboratively debug, analyze, and iterate on their LLM applications.

RocketDock
MaxLauncher
Winstep Nexus
Cairo-Dock
TaskbarDock
ScanKeep
True Launch Bar
Simple app enhancing windows task bar functionality with stacks of shortcuts.
Which is more popular?
Based on our record, Langfuse seems to be a lot more popular than Stacky. While we know about 36 links to Langfuse, we've tracked only 1 mention of Stacky.
Website, pricing, platforms and company facts side by side.
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| Website | langfuse.com | github.com |
| Pricing | — | |
| Company | Startup from the United States | — |
| Listed in |
In their own words, as submitted to SaaSHub.


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....
No description of Stacky yet.
What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
Walkthroughs and reviews on video.
Langfuse in two minutes
Vertical Gardening with Mr. Stacky set up, seed planting, and review.
More videos
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Langfuse and Stacky. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


Ten free AI prompt tools in 2026 across four categories: prompt generators (SurePrompts, Anthropic Console, OpenAI Playground), libraries (AIPRM, PromptHero, FlowGPT, Awesome ChatGPT Prompts), open-source workflow...
We have no reviews of Stacky yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


Your agent gave a wrong answer, and every span in the trace is green. Both TraceRoot and Langfuse will show you that trace. This post compares what each one does next, from tracing and detection to a root cause and a fix. - Source: dev.to / 10 days ago
Langfuse is an open-source LLM engineering platform specialized for AI applications. It provides:. - Source: dev.to / about 1 month ago
Langfuse is an open-source observability and analytics platform for LLM applications. Its open-source nature is a significant draw for companies that prefer to self-host or want to avoid vendor lock-in. - Source: dev.to / about 1 month ago
Programs (mostly free/sharewares): Google desktop apps: Google Chrome or MS Edge or whatever you use as a browser. And if you're lazy: https://chromeless.app/ to create the apps. Microsoft PowerToys:... Source: over 3 years ago
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