Best Open Source products of April 2026

Discover the best Open Source products of April 2026 as chosen by Product Hunt users.

1 - 10 of 822 Open Source products

1. Open WearablesOpen infrastructure for wearable-powered health products.
•1.3K Followers•
2. Claude by AnthropicA family of foundational AI models
•92K Followers•3 alternatives•
3. Google Gemma 4Google's most intelligent open models to date
•798 Followers•
4. OllamaThe easiest way to run large language models locally
•2.2K Followers•5 alternatives•
5. DeepSeekOpen-source LLM optimized for advanced reasoning and code
•3.7K Followers•1 alternative•
6. KimiYour AI assistant for everyday use
•2.6K Followers•
7. InstantDBComplete backend with auth and storage in one prompt
•428 Followers•
8. RayYour personal CFO in the terminal
•448 Followers•
9. CraftBotSelf-hosted proactive AI assistant that lives locally
•784 Followers•
10. CapsoFree open-source screenshot & screen recorder for Mac
•326 Followers•

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Community's choice

October 2026 — Best products September 2026 — Best products August 2026 — Best products July 2026 — Best products June 2026 — Best products May 2026 — Best products March 2026 — Best products February 2026 — Best products January 2026 — Best products December 2025 — Best products November 2025 — Best products October 2025 — Best products