DTF:HN for April 3, 2026

Your Daily Tech Feed covering the top 10 stories on Hacker News for April 3, 2026. Featuring: Show HN: European alternatives to Google, Apple, Dropbox and 120 US apps, Show HN: Apfel – The free AI already on your Mac, April 2026 TLDR Setup for Ollama and Gemma 4 26B on a Mac mini, Google releases Gemma 4 open models, ESP32-S31: 320MHz 2C RV32IMAFCP+CLIC, 512KB SRAM, GbE, 802.11ax, 61 GPIO, and more. Stories covered: 1. Show HN: European alternatives to Google, Apple, Dropbox and 120 US apps https://only-eu.eu/en/ HN discussion: https://news.ycombinator.com/item?id=47624741 2. Show HN: Apfel – The free AI already on your Mac https://apfel.franzai.com HN discussion: https://news.ycombinator.com/item?id=47624645 3. April 2026 TLDR Setup for Ollama and Gemma 4 26B on a Mac mini https://gist.github.com/greenstevester/fc49b4e60a4fef9effc79066c1033ae5 HN discussion: https://news.ycombinator.com/item?id=47624731 4. Google releases Gemma 4 open models https://deepmind.google/models/gemma/gemma-4/ HN discussion: https://news.ycombinator.com/item?id=47616361 5. ESP32-S31: 320MHz 2C RV32IMAFCP+CLIC, 512KB SRAM, GbE, 802.11ax, 61 GPIO https://www.espressif.com/en/news/ESP32_S31_Release HN discussion: https://news.ycombinator.com/item?id=47561678 6. Decisions that eroded trust in Azure – by a former Azure Core engineer https://isolveproblems.substack.com/p/how-microsoft-vaporized-a-trillion HN discussion: https://news.ycombinator.com/item?id=47616242 7. NHS staff refusing to use FDP over Palantir ethical concerns https://www.freevacy.com/news/financial-times/nhs-staff-refusing-to-use-fdp-over-palantir-ethical-concerns/7272 HN discussion: https://news.ycombinator.com/item?id=47624736 8. Proton Meet Isn't What They Told You It Was https://www.sambent.com/proton-meet-isnt-what-they-told-you/ HN discussion: https://news.ycombinator.com/item?id=47624558 9. What Category Theory Teaches Us About DataFrames https://mchav.github.io/what-category-theory-teaches-us-about-dataframes/ HN discussion: https://news.ycombinator.com/item?id=47561426 10. The True Shape of Io's Steeple Mountain https://www.weareinquisitive.com/news/hidden-in-the-shadow HN discussion: https://news.ycombinator.com/item?id=47562455