Juan Pablo Castro's profile on Product Hunt

About

I'm a software developer from Spain who likes building small, focused tools that respect your privacy and run on your own machine. Right now I'm working on ChacharApp: a free, open-source voice dictation app for macOS. Hold a key, speak, and your words are pasted into any app — all processed locally on the Apple Neural Engine, so nothing leaves your Mac. It started as my own itch after I hit the paywall on a paid dictation tool, and became something I want anyone to use for free. I care about local-first, private-by-default software, low latency, and speech tech that works for non-native English speakers and people who mix languages while they talk. Happy to chat about macOS development, on-device AI / Whisper, or indie building — feel free to reach out.

Badges

Tastemaker

Gone streaking

Forums

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1d ago

How do you promote your product without sounding too salesy?

I've always struggled with promoting my own work. It always felt a little awkward because I grew up in an environment where drawing attention to yourself wasn't really encouraged.

That's not exactly ideal when you're trying to build a business, and even less so when marketing is literally how you make a living. :D

p/wisprflow

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11mo ago

Featured

How Wispr Flow found PMF through a pivot

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p/cursor

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1yr ago

Cursor or Claude Code?

I love @Cursor. It's enabled me to build (vibe code) so many web apps, sites, extensions, and little things quickly that 1. bring me joy and 2. help me with work or realize personal projects.
However... I'm seeing a TON of movement around @Claude by Anthropic's Claude Code. I haven't personally tried it but it's apparently insane (and can also be expensive?)
I'm curious. Should I switch? What are you currently using? Or do they both have their own use case. I right now like cursor because I can build directly in a GitHub repo or locally and it helps me learn my way around an IDE.
Looking forward to hearing everyone's thoughts!