agent-browser - Chromium browser for agents by Vercel

OpenViking - File hierarchy based context database for agents to persist memory across multiple sessions

OpenAI Guardrails - Drop-in client wrappers to add configurable input/output validation, moderation, and safety checks to LLM calls (buyer beware re effectiveness)

nanobrowser - Chrome extension that lets your own LLM keys drive multi-agent web automation directly in the browser

WebLLM - WebGPU-accelerated in-browser inference engine to run LLMs client-side with an OpenAI-compatible API and streaming.

Repomix - Bundle an entire codebase into a single, LLM-friendly text file with ignore rules and tokenizer-aware chunking.

SemHash - Lightweight Python library for semantic deduplication and dataset filtering across text/images to clean RAG corpora.