c9x.me
A collection of minimalist programming tools and resources

What is c9x.me?

c9x.me is a website that provides a curated set of programming tools and writings focused on simplicity and efficiency. It features tools like qbe, a small and fast compiler backend, and edit, a text editor, alongside resources such as comp-bib for amateur compiler writers. The platform emphasizes minimalism in software development, offering utilities that are compact and performant for various programming tasks.

In addition to tools, c9x.me includes writings like notes and tutorials, such as gthreads on green threads, to support learning and development. The content is designed to be accessible and practical, catering to developers interested in low-level programming, compiler design, and efficient software solutions.

Features

  • qbe: Small, fast compiler backend
  • memex: Archiving tool
  • edit: A text editor
  • irc.c: A minimal IRC client
  • miniyacc: The smallest POSIX yacc
  • qcc: A toy C compiler
  • qscm: A tiny language featuring a bootstrapped compiler
  • fnt: Cheap bitmap font edition tooling
  • texwatch: Automatic TeX recompilation
  • cbits: Miscellaneous hacks

Use Cases

  • Developing lightweight compilers
  • Archiving digital content
  • Editing text files efficiently
  • Running minimal IRC clients
  • Parsing with small yacc implementations
  • Learning C compiler design
  • Experimenting with tiny programming languages
  • Creating bitmap fonts
  • Automating TeX document recompilation
  • Implementing miscellaneous programming hacks

Blogs:

  • Top 6 AI note-taking tools for 2026: in-person, online, and hybrid use cases

    Top 6 AI note-taking tools for 2026: in-person, online, and hybrid use cases

    Most AI note-taking lists are really lists of meeting bots, which join your video call and transcribe it. That's useful, but it's half the picture. Decisions happen in hallway conversations, client dinners, on-site visits, and hybrid rooms where nobody is on a video link. This guide covers different parts of the note-taking workflow: hardware capture for in-person settings, platform-native tools for online calls, and AI layers for organizing and synthesizing what you've captured. It compares six tools by capture context, workflow fit, pricing, and limitations.

  • Best AI tools for recruiters

    Best AI tools for recruiters

    These tools use advanced algorithms and machine learning to automate tasks such as resume screening, candidate matching, and predictive analytics. By analyzing vast amounts of data quickly and efficiently, AI tools help recruiters make data-driven decisions, save time, and identify the best candidates for open positions.

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