Hisashi SpaceHi, I'm Hisashi.
Eleven products, one person.
Six Mac apps and five on the web, all written by me. The oldest is @SOHO, a freelance marketplace I built in 2004 that now has 300,000 members and still exactly one developer. Everything else started as something I needed to keep that running before lunch.
- 6Mac apps
- four shipped, two on the way
- 6web products
- all running in production
- 1developer
- that would be me
Writing
All writing
September 7, 2026 · 6 min read
Everyone is pairing Obsidian with AI. Obsidian is contributing nothing.
Obsidian keeps a 245 MB full text index. It lives inside an Electron process, and Cursor or Claude Code cannot read a single byte of it. Of my 141 notes, two were still alive. Here is what I measured, and what I built because of it.
September 5, 2026 · 7 min read
The browser I used every day shut down, so I built my own
I paid $44.10 for a lifetime license. It lasted sixteen months. I tried more than ten replacements, liked none of them, and started writing my own on July 17, 2026.
September 5, 2026 · 10 min read
How to rename, add and delete Sidekick workspaces after the shutdown
Sidekick's servers are gone, so the UI refuses to touch workspaces. Here is how to edit them directly in chrome.storage.local over the Chrome DevTools Protocol, with the scripts.
On the Mac
All apps
SpaceDeck
Mission control for every app you live in.
macOS · $129 one-time
Kagemusha
Turn any website into a standalone macOS app.
macOS · Free for 3 apps
Caltimate
A native Mac calendar that syncs with Google Calendar.
macOS · Free tier
Koffret
Keep only the menu bar icons you actually use.
macOS · $14.99 one-time
On the web
Running for years, in Japanese. The oldest of them pays for everything else.
@SOHO
A freelance marketplace with 300,000 members.
Rizaflow
Bookings for businesses that get paid in person.
Pinateca
Project management with eight kinds of board.
Halict
From form submission to answered, in one screen.
Koeamp
Record once, publish everywhere.
Tsudoo
One place for a class, a club or a neighbourhood.
What shipped, and what broke
One letter at a time, from a one-person software company. No schedule, no filler, and real numbers when there are any.
SubscribeHisashi Space
Founder of @SOHO · Indie hacker · Working from wherever I am since 2011
The usual worry with an app from one person is that the person disappears. I started @SOHO in 2004 and have run it alone ever since, through every macOS release in between. I write the code, answer the support mail and get up at three in the morning when the server does something strange.
More about me