Open AI apps
Fully public code you can fork, modify, and contribute to. We believe transparency takes us further.
Built for open-source devs & AI creators Where ideas
Where ideas
grow freely
Open-source tools and AI inspiration to soothe your creative routine
From spark to product — horu.world grows alongside you
100% Open source
Free Core features
∞ Built together
Why horu
We help every creator find a rhythm that feels like their own
The Journal
Notes on craft and the stories behind each project — every post is a real, settled thought.
Free forever
Zero cost on core features, no subscription games. Good tools should be within everyone’s reach.
Built together
A roadmap driven by community votes — every issue pushes the product forward.
First release
Crayon Ledger
A gentle little expense tracker that turns budgeting into a daily delight
01
Log with one line in Lark
Just send “Lunch 35” in your Lark group — no app to open. A morning digest recaps yesterday’s spending so you stay on rhythm.
02
See it all at a glance
Category bars, monthly savings trends, and an income-vs-expense summary on one screen. Color and shape reveal your spending blind spots.
03
Try it now Carry it, store it in the cloud
Add it to your home screen, sync to the cloud, export to CSV. Try it without signing up — log in and your data is never lost.
Tap or swipe to switch screens