# Intergalactisch — Sander Jansma's concept lab

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Intergalactisch is Sander Jansma’s project lab in Alkmaar, documenting digital products and software experiments since 2011. Explore current work and an archive of earlier projects, including AI sentiment platform Polairity, research application Sqout and open-source macOS notes app Void. Each project has its own status: live, in development, concept or discontinued.


## Details · by the maker

- Location: Alkmaar, Netherlands
- Projects since: 2011

Tags: artificial intelligence, software development, open source, digital products

## Sources and context


### Polairity — AI sentiment

Contributor note:

> A project by Intergalactisch: public ratings of AI providers, models and agent harnesses, showing sentiment and changes over time.

[Source](<https://polairity.io/>)

[View listing](</listings/9e1e6b3dc75f757cf5ad7c6fcd3efb71aa5345ea3563fc7e992310c7e7498701.md>)


### Void — open-source macOS notes

Contributor note:

> Intergalactisch’s open-source alpha: a local-first macOS notes app with AI assistance inside portable Markdown documents.

[Source](<https://github.com/intergalactisch/void>)


## About this listing

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Listing updated: 2026-10-15

Link checked: 2026-10-15

[Main link](<https://www.intergalactisch.nl/>)

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