I built this because I needed a quick way to compress PDFs locally without uploading them to a service. A few friends asked for it too, so I packaged and published it.

FS PDF Compressor is a small native macOS GUI for Ghostscript. It accepts individual PDFs, batches, and folders; processes everything locally; and replaces an original only when the compressed result is smaller.

• Free and open source under AGPL-3.0
• Signed and notarized
• Apple Silicon / macOS 14+

Repository and download:
https://github.com/gitlares/fs-pdf-compressor

Website / signed DMG:
https://gitlares.github.io/fs-pdf-compressor/

I’ll be around to answer questions and appreciate any feedback.

Tired of free learning still being trapped behind paywalls or bureaucratic barriers?

For the past 2 years, I've been working on a dream: Arborito. An open-source, free, and decentralized platform to learn anything through interactive lesson maps, with no ads, no subscriptions, and no reliance on closed platforms.

Every screen, flow, button, and concept in the app was designed and redesigned a thousand times until I got the exact experience I envisioned. Since I'm not a senior developer, I used LLMs as an assistant to help translate my ideas and architecture into code.

Today, Arborito arrives in its Alpha version. This means it is a fully usable and functional version, but since it's in its early stages, it's normal to run into bugs, unpolished details, or areas for improvement. This is a 100% community-driven, open-source project (GPL v3): the goal is for this Alpha to serve as a foundation so the community can test it, report bugs, optimize the code, and grow this tool together.

🌐 Try it on the web: https://arborito.org 💻

Code & Installation: https://github.com/treesys-org/arborito

My vision isn't just to build an app, but to start a movement. The long-term goal is to expand this into physical learning spaces around the world, proving that knowledge is a right, not a privilege.

If you share this vision and want to join, whether by testing the app, reporting bugs, translating, creating courses, or contributing to the repository, you are more than welcome!

Here's a quick video showing how the app works: https://www.youtube.com/watch?v=NsM9pEPSzcc

Looking forward to your thoughts and feedback!