Efficient and expressive programming.

Nim is a systems and applications programming language. Statically typed and compiled, it provides unparalleled performance in an elegant package.

  • High-performance garbage-collected language
  • Compiles to C, C++ or JavaScript
  • Produces dependency-free binaries
  • Runs on Windows, macOS, Linux, and more
Install Learn more 
# Compute average line length
var
  sum = 0
  count = 0

for line in stdin.lines:
  sum += line.len
  count += 1

echo("Average line length: ",
     if count > 0: sum / count else: 0)
More examples at RosettaCode…

Recent articles

23 June 2017

Launching the 2017 Nim Community Survey

We are proud to announce the launch of the official 2017 Nim Community Survey! No matter whether you use Nim today, have used Nim previously, or never used Nim before; we want to know your opinions. Your feedback will help the Nim project understand its strengths and weaknesses, and to determine development priorities for the future.

25 May 2017

Faster Command Line Tools in Nim

This is a guest post by Euan Torano cross-posted from Faster Command Line Tools in Nim. If you would like to publish articles as a guest author on nim-lang.org then get in touch with us via Twitter or otherwise.

All articles

Featured projects

K

SPA framework

karax

F

Game framework

frag

N

GUI library

nimx
See more

Looking for the GitHub repository?

The Nim compiler and tools are all written in Nim and licensed under the MIT license, with most development taking place on GitHub. Be sure to watch the repository to get updates on Nim's development, or star it to give us some brownie points.

Source code

Now available.

The first Nim book, Nim in Action, is now available for purchase as an eBook or printed soft cover book.* Learn the basics such as Nim's syntax, advanced features including macros and gain practical experience with the language by being lead through multiple application development examples.

  • Teaches the basics including the syntax of Nim.
  • Explains how to use the Nimble package manager.
  • Includes step-by-step instructions and explanations of how to develop various applications, including a chat program, Twitter clone and more.

* Printed soft cover book hasn't been released yet. ETA May 2017.

Learn more

Support Nim

Join the 100+ companies and individuals that support Nim

The Nim project is developed globally by a group of volunteers. We welcome recurring donations, which enable us to spend more time working on Nim.

Donate

Top sponsors

See more

Community

IRC/Gitter

Real-time chat

#FreeNode#nim
nim-lang/Nim

Forum

Threaded communication

forum.nim-lang.org

GitHub issues

Bug reports

nim-lang/Nim

Twitter

Announcements

@nim_lang
Join the community

Learn Nim today

Build command-line applications, games, web servers, kernels and everything else in between. Nim has a low barrier to entry and offers powerful features you won't find in many mainstream programming languages.

Get started now