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Self-Hosted Open-Source Agents Emerge as the Default 'Anti-SaaS' Stack — 650K+ Combined Stars
July 2026 GitHub trending is dominated by open-source SaaS replacements: Ollama, Open WebUI, Browser Use, vLLM, Unsloth, CrewAI, and Continue have collectively passed 650K stars, with Continue positioned against GitHub Copilot and browser-use (104K+ stars) automating web tasks agents used to need paid tools for. A widely-shared Show HN describes replacing an entire SaaS stack with a single agent running 24/7 on a Mac Mini — monitoring DMs, posting content, tracking competitors, and writing daily reports. The builder pattern is clear: for cost, vendor-risk, and control reasons, small teams increasingly self-host the agent instead of subscribing.
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