Awesome Open Source
Awesome Open Source

Nim Website Creator

A quick website tool. Run the nim file and access your webpage. Website:


Blogs and pages

  • 1 Click Blogging posts directly from browser.
  • 1 Click Static web pages directly from browser.
  • WYSIWYG & Drag'n'Drop Editors with Summernote, CodeMirror or GrapesJS.
  • Custom title, meta description and keywords for each page, SEO friendly.
  • Custom head, navbar and footer, no hardcoded watermarks, links or logos.
  • Upload/Download files and images (private or public), option to use MD5 CheckSum as filename.
  • Libravatar/Gravatar support for profile photos builtin.
  • 1 language for the whole stack, including high performance modules, scripting, devops, deploy, from WebAssembly to Assembly.



  • Edit core or custom JS and CSS directly from browser, UI/UX Designer friendly.
  • Log Viewer directly from browser.
  • Auto-Rotating file Logger.
  • Server Info Page for Admins.
  • Force Server restart for Admins.
  • Edit main config file directly from browser
  • Recompilation without down times.
  • Webserver hosting your page on
  • Colored output on the Terminal.
  • Email notification on critical errors.


  • Plugin Store integrated
  • Enable and disable plugins directly from browser. Open Source or Private Plugins.
  • Plugin skeleton creator to create your own new plugins.
  • Plugins can do anything you want on Frontend and Backend.
  • Develop your own plugins - NimWC plugin repository


  • Postgres (if you are using the NimWC docker file, you do not need to install Postgres)
  • SQLite


  • High performance with low resources (RPi, VPS, cloud, old pc, etc).
  • Runs on any non-Windows OS, Architecture and Hardware that can compile C code.
  • Independent TechEmpower Benchmarks show Nim web server as one of the fastest in the world.
  • High Availability design by default.
  • Full Stack with the same programming language, including DevOps and Scripting.
  • 0 Dependency binary (Postgres/SSL/WebP/Firejail required if using it).
  • No /node_modules/, but very powerful builtin Templating engine.
  • Compile-Time precomputed arbitrary function execution is used when possible.
  • No Global Interpreter Lock, no single-Thread, no single-Core, no Interpreter. Use all your 32 CPU Cores.




To get started you only need:

Development dependencies (automatically installed by Nimble):

Foreing optional dependencies:

  • webp (libwebp)
  • firejail >= 0.9.58
  • Xvfb (xorg-server-xvfb, required by firejail setting noX=)


  • Use Nim Stable Release, Devel may or may not work.

  • When using Firejail and enabling/disabling a plugin a manual full restart of NimWC is required. It is therefore not advised to enable/disable plugins in the browser when using Firejail.


Install Nim

To compile and install you need Nim. You can easily install Nim using choosenim with:

curl -sSf | sh

Install NimWC

You only need to perform 1a or 1b or 1c - not both of them.

1a) Install with Nimble

If you are using [Nimble]( an executable will be generated and symlinked to `nimwc`, which then can be executed anywhere on your system.
# Install nimwc with nimble
nimble install nimwc

# Edit the config.cfg accordingly
# (change the confg.cfg path to your nimble folder and the correct package version)
nano ~/.nimble/pkgs/nimwc-5.5.1/config/config.cfg

# Run nimwc
# (to add an Admin append the arg "newadmin": nimwc --newadmin)
# (to include some standard pages: nimwc --insertdata)

# Login

1b) Compile

This will generate the executable in the folder.

# Clone the repository
git clone
cd nim_websitecreator

# Generate and edit the config.cfg accordingly
cp config/config_default.cfg config/config.cfg
nano config/config.cfg

# Install dependencies
nimble install jester recaptcha bcrypt datetime2human otp firejail webp, contra

# Compile nimwc
nim c nimwc.nim

# Run nimwc
# (to add an Admin append the arg "newadmin": nimwc --newadmin)
# (to include some standard pages: nimwc --insertdata)

# Login

1c) Curl

This will guide you through the installation.

curl -sSf | sh


curl -sSfLO && echo "6cc7510305db7b0ae5e3755137e71c23c7e08829264ddfb82702e6cac297f1063b46c48c01eafb16156c27a53aa23d1737c34f354ae1834c8498f5bd64b81b3c" | sha512sum -c - && sh ./



These arguments should be prepended to executable file, e.g. ./nimwc cdata

  • --showconfig = Show parsed INI configuration and compile options.
  • --newadmin = Add the Admin user.
  • --gitupdate = Updates and force a hard reset.
  • --initplugin = Create plugin skeleton inside tmp/.
  • --vacuumdb = Vacuum database and continue (database maintenance).
  • --backupdb = Compressed full backup of database.
  • --backupdb-gpg = Compressed signed full backup of database.
  • --newdb = Generates the database with standard tables (does not override or delete tables). newdb will be initialized automatic, if no database exists.
  • --insertdata = Insert standard data, e.g --insertdata bulma (this will override existing data)
    • bulma = Use Bulma CSS, No JS required
    • bootstrap = Use Bootstrap and jQuery
    • water = Water CSS framework, No JS, HTML Classless (No classes on HTML required)

Compile options:

These options are only available at compiletime:

  • -d:rc = Recompile. NimWC is using a launcher, it is therefore needed to force a recompile.
  • -d:adminnotify = Send error logs (ERROR) to the specified admin email.
  • -d:dev = Development.
  • -d:devemailon = Send email when -d:dev is activated.
  • -d:demo = Used on public test site Nim Website Creator. This option will override the database every 1 hour with the standard data.
  • -d:gitupdate = Updates directly from Git and force a hard reset.
  • -d:postgres = Use Postgres database instead of SQLite.
  • -d:contracts = Checks pre- and post-conditions when compiled with -d:release.
  • -d:hardened = Hardens security, requires -d:contracts. Performance cost ~20% max.
  • -d:packedjson = Use PackedJSON instead of std lib JSON. Performance optimization.

User profiles

There are 3 main user profiles:

  • User
  • Moderator
  • Admin

The access rights below applies to main program. Plugins can have their own definition of user rights.


The "User" can login and see private pages and blog pages. This user has no access to adding or editing anything.


The "Moderator" can login and see private pages and blog pages. The user can add and delete users, but cannot delete or add "Admin" users. The user cannot edit JS, CSS and core HTML - only within the pages and blogposts.


The "Admin" has access to anything.


You can easily add and edit blogpages. The blogpages support metadata: meta description and meta keywords. It is also possible to specify a category and tags.

Blog sorting

In the settings menu you can specify how your blogposts should be sorted, e.g. on modfied date in ascending order.

Blog searching

To only show blogpost with a specific name, tag or category, you have to append the criteria to the URL. It is not possible to combine these.


Multiple plugins are available. You can download them within the program at <webpage>/plugins/repo.

The plugin repository are located here: NimWC plugin repository


When editing a blogpage or a normal page press Ctrl+S to save.


GrapesJS is a Web Builder Framework. To use GrapeJS with a CSS framework (Bulma or Bootstrap), you have to edit public/js/grapejs_custom.js and public/js/grapejsbs4.min.js. Bootstrap support in public/js/grapejs_custom.js is commented out.


Docker, Vagrant, SystemD Service, NGNIX, Admin stuff, etc


  • Use the Dockerfile as starting point for your NimWC containers.
  • You can run the and scripts without changing anything to try out nimwc.


NGNIX Config

Google reCAPTCHA

To activate Google reCAPTCHA claim you site and server key and insert them into config.cfg.


Copy the file nimwc.service into /lib/systemd/system/

sudo nano /lib/systemd/system/nimwc.service

Enable auto start of NimWC:

sudo systemctl enable nimwc
sudo systemctl start nimwc
sudo systemctl status nimwc

CI Builds

CrossCompiling, Build for old Linux

Sometimes you may need Build for very very old Linux, like old Centos and Debian Old Stable, from a recent Linux, like new Arch or Ubuntu, heres how you can do it, without a virtual machine with an old Linux to build.

How to Firejail

  • Default settings will work Ok on most systems, sane defaults.
  • Some settings are kind of technical, you should know some Linux Kernel related stuff.
  • Links are provided on the Firejail config page when makes sense.
  • You can harden your system even more by tweaking the Firejail config.
  • You can always come back to the default settings and it will work Ok.
  • Check that Firejail Status at bottom of the page is mostly green.

You can choose how much CPU & RAM NimWC can use, Firejail will make NimWC believe that theres less CPU & RAM that the actually physically available. If you choose too small resources for too big load, then it will feel like when you try to run a heavy program on a VirtualBox with too small CPU & RAM, but will still run, or do the best to try to run. This can be useful for Clouds that charge you extra when you pass certain threshold of CPU & RAM usage.

NimWC does not depend on any Hardware device to run, like audio, video, USB, DVD, etc, so you can block the access to the hardware peripehals, that also blocks its hardware drivers and libraries that may have vulnerabilities, making your NimWC more secure.

There are options to block root user and the rest of the users on the Linux system, thats help protect your NimWC against Privilege Scalations, thats when an unprivileged normal user becomes superuser root, or an user can see other users stuff.

Caches and Temporary directories are mounted as private temporary unique autogenerated TMPFS, meaning that the real ones can not be altered from within NimWC.

noMnt=true is for when you run 1 instance NimWC per server, noMnt=false is for when you run multiple instances NimWC per server, because it may or may not block other instances of accesing subfolders on /mnt/ simultaneously.

noX=false if you are running a headless server or ChromeBook. noX=true uses Xvfb for X Isolation (xorg-server-xvfb), you may need to install it if you want to use it, but is not a hard dependency, just use noX=false and you dont need to install it if you dont want to.

The features come from the Linux Kernel itself, so theres zero cost on performance and the technology is already there even if you use it or not.

So in conclusion NimWC being compiled binary wont need access to most of your system, just its own folder, the integration with Firejails hides everything else.


You local version of firejail to needs be >= 0.9.58. Install using your package manager:

# Arch (package manager)
sudo pacman -S firejail

# Ubuntu (built files) # <-- download
sudo apt install ./firejail_0.9.58-1_arm64.deb

# Compile
git clone
cd firejail
./configure && make && sudo make install-strip
How to Jester




Stars over time


NimWC uses The Peer Production License (PPL).

PPL is derived from the Creative Commons Attribution-NonCommercial-ShareAlike license. However unlike CC-BY-NC-SA, PPL demands reciprocation (whether monetary or otherwise) from non-contributing commercial entities (aka Big Corporations). This means, that mega-corporation cannot just take all your code, rename it, and sell it without contributing back to you.

The Peer Production License is a reciprocity-based license by which commons are freely accessible to those who contribute to create them, while third party non-contributing entities profiting from these commons can be charged a license fee to sustain the project in the long run.

For all other meanings of license, is very similar to MIT license.

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