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The best Open Source newsletters

3 newsletters, ranked by editorial quality and how recently they published. Looking for something more specific? Search instead.

simonw.substack.com· weekly· Published yesterday

Weekly digest of Simon Willison's blog covering hands-on experiments with LLMs and coding agents, event live blogs, and short notes on new releases and tools. Readers get practical write-ups of what he built, what he learned, and roundups of links, quotes and open source releases.

llmsvibe codingclaude codecodexdatasettesqlite

AI Supremacy

Substack
ai-supremacy.com· weekly· Published today

AI Supremacy is a newsletter covering the intersection of artificial intelligence, technology, and business, with op-eds, research summaries, guest posts, and startup coverage. Recent issues feature open-source model releases, AI financing risks, State of AI 2026 infographics, and practical guides on building with AI agents.

ai newsopen-weight modelsai infrastructure financingstate of ai 2026openai dotsmeta muse
interconnect.substack.com· weekly· Published 22 days ago

Interconnected is a personal newsletter by a former GitHub international strategy leader and US-Asia tech analyst, covering US-China relations, AI talent flows, and global open source and geopolitics. Readers get informed commentary connecting summits, research findings and tech industry trends, with a clear point of view.

us china relationsai talentchina aiopen source aibricscarnegie china