Langfuse vs Fider

Langfuse

Developer Tools

Open-source LLM engineering platform.

Langfuse provides traces, evals, and prompt management for LLM apps — fully open-source and used by thousands of indie AI builders.

Founder

Maximilian Deichmann

Founded

2023

Team

1-10

Listing

Free (nofollow)

Listed

May 2026

Fider

Developer Tools

Open-platform for customer feedback.

Fider is an open-source feedback platform you can self-host — a free alternative to Canny for indie products.

Founded

2017

Team

1-10

Listing

Free (nofollow)

Listed

May 2026