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Reachat: UI Building Blocks for LLM/Chat UIs. It is listed under Development & Code on AI Registry as a free tool.
The tools below are approved listings in the same category, ordered by how closely their tags match Reachat. This is an automatic list. We have not written a researched verdict for Reachat yet, so treat it as a shortlist and check each vendor's pricing page before switching.
Built from each tool's listing. Vendors can update their own listing after claiming it.
Find your agents errors be fore your real users do
ArkSim is an open source agent testing framework from Arklex that simulates realistic multi turn conversations with an AI agent and scores the results. It helps developers find failures that only appear across several turns, such as losing context, calling the wrong tool or contradicting an earlier answer, before real ...
Production-ready AI chat.
ChatJS is an open source foundation for building production AI chat applications, released under the Apache 2.0 licence. It gives developers a working chat product with authentication, streaming, tool calling and access to more than 120 models, so a team can start from a running application rather than wiring model rou...
Desktop Companion for Hermes Agent
Hermes One is a community maintained desktop companion for Hermes Agent, the open source AI agent from Nous Research. It wraps the agent in a native app for macOS, Windows and Linux so people can set it up and use it without touching a command line. On first launch it walks through installing Hermes Agent locally or co...
Open-source, self-hostable LLM arena with model compare, voting, and leaderboards
LMRing is a web platform for comparing AI models side by side. A user picks up to four models from more than 50 providers, enters a single prompt, and watches the responses stream in at the same time in one interface, then evaluates the results to decide which model suits the job. The provider list covers OpenAI, Anth...
Make your own story. User-friendly software for LLM roleplaying
RisuAI is an open source client for AI roleplay. Users create AI characters, chat with them, and build their own fictional worlds, then optionally share characters with others through RisuRealm, the project's community library where characters can be published and downloaded. The application is built for two kinds of ...
AdalFlow: The library to build & auto-optimize LLM applications.
AdalFlow is an open source Python library for building and automatically optimizing LLM applications. It provides the building blocks for generators, embedders, retrievers, tool use, agents and structured output, and adds a training layer that tunes prompts and few shot examples against a dataset, so a question answeri...