FastString

The premium Open Source alternative to .NET StringBuilder

🎯 Best for:Games with heavy UI updates or real-time text processing where GC spikes are critical.

What is FastString?

A high-performance string manipulation library for Unity designed to replace the standard .NET StringBuilder. It minimizes Garbage Collector (GC) pressure by using pooled memory and avoiding heap allocations.

Tech Stack
C#Game Development

Why FastString?

  • Reduces GC spikes
  • Faster execution
  • Drop-in replacement

Limitations

  • Manual memory awareness needed
  • Limited API vs .NET
  • Potential buffer overflows
1/31/2026
Last Update
13
Forks
0
Issues
MIT
License
Financial Leak Detected

Stop the "SaaS Tax"

Your team could be burning cash. Switching to FastString instantly boosts your runway.

Competitor Cost
-$1,440
/ year (est. based on .NET StringBuilder)
Self-Hosted
$0
/ year
Team Size10 Users
150+
SAVE 100%

Community Discussion

Comments