Knit

An online workspace for writing, running and sharing AI prompts across several models, for teams building LLM features.

promptknit.com · Free plan

Visit promptknit.com ↗would rather buy than build

Running since2023Launch year from the maker

Details

What it does: Developer tools
Who it’s for: Developers, Software companies
Pricing: Free plan
Works on: Web
Works with: openai, claude, google gemini
Tags: prompt engineering, llm playground, prompt management, function calling

Helicone
Gateway and dashboard that routes LLM requests and logs them so teams can debug and analyse their AI apps.
Free trial · Uptime and monitoring · Developers
Airbolt
A hosted backend and SDK so developers can add LLM chat to client apps using their own provider keys, with no server code.
Developer tools · Developers
infer0
Lets app users connect their own AI provider keys with spend caps, while developers integrate one API that routes to any model.
Developer tools · Developers
Langtail
Lets product teams write, test, version and deploy LLM prompts in a spreadsheet style workspace, with guards against unsafe output.
Since 2023
Developer tools · Developers