Lasm

Asm is a package registry and command-line tool for assembly-language projects. It creates, builds, runs, tests, and distributes projects with explicit machine targets, source dependencies, repeatable lock files, and release records containing source, commit, artifact, size, SHA-256, and verification information. Its commands support package search, version inspection, source fetching, executable installation, upgrades, and uninstalling; publication is submitted through reviewed pull requests. The CLI supports Linux x86-64, Linux ARM64, and Apple Silicon macOS 15 or later, with RISC-V Linux packages and additional target implementations supported in the project model. Asm is in early alpha and is licensed under AGPL-3.0-or-later; starter code and reference examples use MIT.

WebLLM is an in-browser large language model inference engine developed by the MLC community. It runs model inference directly in web browsers using WebGPU hardware acceleration, without server-side processing, and can be used as an npm, Yarn, or CDN package for building web applications. Its MLCEngine exposes an OpenAI-compatible chat-completions interface with streaming, JSON-mode structured generation, seeding, and preliminary function-calling support. It supports model families including Llama, Phi, Gemma, Mistral, and Qwen, and can load custom MLC-format models consisting of model artifacts and WebAssembly model libraries. WebLLM provides Web Worker and Service Worker integrations, Chrome-extension examples, browser caching through Cache API, IndexedDB, or OPFS, and optional Subresource Integrity verification for downloaded model artifacts.

wasmcp is a WebAssembly Component Development Kit and CLI for building Model Context Protocol (MCP) servers. It scaffolds MCP tool components in Rust, Python, or TypeScript, registers local or OCI-distributed components under aliases, and composes them into a WebAssembly server that can run with Wasmtime, Spin, or another component-capable runtime. Its composition pipeline wraps tool, resource, prompt, and other MCP feature components with transport and middleware components. Each component handles the requests it understands and delegates the rest downstream; results such as tool lists are merged into a unified server catalog. The CLI also supports reusable composition profiles, stateful sessions backed by key-value storage, streaming notifications, and public or OAuth 2.1-protected operation with JWT bearer-token validation and scope-based authorization. The project is distributed as an installable CLI or can be built with Cargo. Its generated servers use WebAssembly components and the project is licensed under Apache 2.0.

LLM Space v4 is a local-first desktop workbench for prototyping and developing AI agents. It lets users version prompts, system messages, tools, and model settings; trace each model call and tool run in an agent loop; replay historical runs to debug failures; and evaluate agent performance across runs. It can generate prompts and tools with AI and turn a thread into a runnable LangGraph agent. Threads, project files, and API keys remain on the user's computer, while the project describes the app as cloud-ready for managed agents. The desktop application uses Electrobun with a React, Tailwind CSS, and shadcn/ui interface, and is built as a Bun monorepo around Pi Agent Core.

Lithos Metal is an open-source LLM inference engine for Apple silicon that generates specialized Metal megakernels and serves models locally for coding agents and other applications. Its compiler decomposes operators into matrix tiles, attention partitions, and recurrent-state slices, records their dependencies, and generates layer-wise fused GPU tasks. The runtime combines mixer megakernels, GPU-resident generation control, pre-encoded Metal indirect command buffers, and DSpark speculative decoding, in which a target-conditioned draft proposes token blocks and the target model verifies and commits the accepted prefix. The server provides OpenAI-compatible Chat Completions and Responses adapters plus an Anthropic Messages adapter, with text generation, tool calls, and SSE streaming; launchers configure clients including OpenCode, Claude Code, Codex, and Hermes. It runs on Apple silicon with macOS 26 or later, is distributed through a Lithos Homebrew tap or source installation, and is licensed under Apache 2.0.