OpenReservation

Judgement

What it is

Complete system

What it does

A booking system for rooms and venues with online requests and approval, originally built for university activity rooms.

Adopt it when

A school or organisation wants room booking on ASP.NET Core and reads Chinese.

Watch out

Chinese-only docs and a design shaped by one campus's process.

Ready for

Usable

Runs as

Self-hosted server

Built with

C#, ASP.NET Core, PostgreSQL and Redis

How established

Established: started 10 years ago, latest release 3.1.0.

What the license allows

You can build it into a product you sell, as long as you keep its copyright notice.

Judged on 2026-11-03 from the project's README and GitHub data. The license and age lines are worked out directly.

Built from

Follow it down: OpenReservation → V8 → LLVM project → runs on a microchip

How compilers were built, back to punched paper tape

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