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Halo: Halo is an open-source framework built by White Circle for training large language and multimodal models. 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 Halo. This is an automatic list. We have not written a researched verdict for Halo 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.
The Continuous-Improvement Stack for Agents.
Judgeval is the listing for Judgment Labs, a company that sells what it calls a continuous improvement stack for AI agents. The platform is aimed at teams running agents in production who need to find out when those agents misbehave, understand why, and confirm that a fix works before shipping it. Judgment connects to...
A framework for agentic tool use training with reinforcement learning
ToolBrain is a lightweight open source framework for training tool using AI agents with reinforcement learning. It targets agents that are unreliable at using their tools and aims to make RL practical through a simple API, rather than requiring users to build the training loop themselves. A Brain class wraps an existi...
Agent Skills as a Memory Layer
Acontext is a memory and context platform for AI agents built around skills. As an agent runs, Acontext captures the session, distills what worked into human readable Markdown skill files, and feeds those skills back on the next run, so the agent improves from its own history without embeddings or a vector database. It...
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...
Create Agentic admin panels faster on TypeScript and Vue.js with AdminForth Framework.
AdminForth is an open source framework for building admin panels and back office tools that coding agents can write and operators can work through agents. Developers declare resources against an existing database with a plain configuration object, and AdminForth generates a full panel as an ordinary Node app in their o...
Codex for Android, iOS & Mac.
Aether is an open source AI agent app for the phone and desktop, originally built for Android and now also available for iOS and macOS. It pairs a polished conversation interface, inspired by apps such as ChatGPT and Codex, with a local agent engine built on the Pi harness kernel, so the agent can run shell commands, c...