D40 Open-Source Projects

In the world of tabletop gaming, d40 dice open up a realm of possibilities with their 40 sides, offering a myriad of outcomes to enhance the gaming experience. The open-source community has embraced this unique gaming tool, creating a variety of projects that make playing with d40 dice more accessible and fun, regardless of location. These projects range from web apps for rolling dice to interactive mapping tools, character management systems, session tracking utilities, and advanced dice simulation software. Each project serves a unique purpose, from facilitating online play among friends to helping game masters craft immersive worlds. Below is a quick overview of the top d40 open-source projects that are making waves in the gaming community:

These projects not only enhance the gaming experience but also foster a sense of community and collaboration, allowing gamers and developers to contribute and improve upon them. Open-source d40 projects embody the spirit of innovation and accessibility in gaming, making it easier for everyone to enjoy the thrill of dice-based adventures.

Fostering Innovation

Enabling Collaboration

Promoting Accessibility

For games that use d40 dice, open-source tools make playing with friends online easier and more fun. They let you do cool things like roll dice together, create characters, and keep track of your game. Everyone working together means that the tools get better in ways that everyone likes. Basically, open-source in gaming is all about working together, making games available to more people, and letting everyone help make games better.

Top D40 Open-Source Projects

1. DiceRoller: The Ultimate D40 Companion


DiceRoller is a free web app that lets you roll d40 dice easily. You can choose how many dice you want to roll, see the total, and even save your settings for later.

The app is simple to use. Just pick how many dice you need, their size, any extra points, and special options like 'exploding dice.' Then, click the Roll button to see what you get.

It works on any device with a modern web browser, making it perfect for playing d40 games anywhere. The app is also built to be easy for everyone to use, including people who use screen readers or keyboards only.


Community Support

DiceRoller is made and looked after on GitHub by people who love gaming. It's got over 500 stars and 30 people helping out by fixing problems, adding new stuff, and making it better for everyone.

You can tell the team about any issues or share your ideas for the app. They try to add the most wanted features in every update. There's also a Discord group where you can talk about dice games and work together on DiceRoller.

How to Contribute

Anyone can help make DiceRoller better, whether you know how to code or not:

People who are new to programming or have been doing it for a while can help with the code. The app uses HTML, JavaScript, and CSS, and it's designed to be easy to use on phones with Vue.js.

Check out the DiceRoller GitHub page to start helping out!

2. DungeonMap: Interactive Mapping for D40 Games


DungeonMap is a free tool you can use online to make maps for d40 tabletop RPGs. It's great for game masters who want to create detailed places like dungeons or whole fantasy worlds. Players can look at these maps on any device, which makes playing together easier.

With DungeonMap, drawing out your game world is simple. You can add icons for different things like shops, monsters, and treasure. You can also make your maps feel more real with sound effects and lighting.

The best part? Your whole group can see and use the map at the same time. This means you don't have to try hard to describe places when you're playing over the internet. You can just show them.


Community Support

A group of about 30 people on GitHub keep DungeonMap running. More than 2,000 gamers like it.

There's a Discord group where users share maps, talk about what they want in the app, and help each other. You can also report problems or suggest ideas on GitHub. The team usually answers within a couple of days.

New helpers are always welcome, even if you're not a pro at coding. There's a guide to help you start.

How to Contribute

DungeonMap uses JavaScript, with Node.js and React. Anyone who wants to help can give it a try!

To start helping, check the GitHub page.

3. CharacterVault: D40 Character Management


CharacterVault is a free web app for making and keeping track of characters in d40 tabletop RPGs. It's handy for players and game masters who need a simple way to manage their characters in different games.

With this app, you can make detailed character sheets, keep track of experience points, items, spells, and more. You can also write down your character's backstory, figure out their relationships, and plan their growth.

Everything is saved online, so you can get to your characters from any device. This is especially useful for groups that play games online.


Community Support

CharacterVault is popular on GitHub with over 1,500 stars and a supportive group of about 20 people who help keep it running. They fix problems and add new stuff that users ask for.

There's a Discord group where players talk about their characters, share custom content, and suggest new features. New coders get help here too.

How to Contribute

Anyone can help make CharacterVault better:

If you're into coding, you can help by fixing issues, making things better, or adding new features. CharacterVault is made with JavaScript, Vue.js for the front end, and Node.js for the back end. Check out the GitHub page to start helping!

4. CampaignLogger: D40 Session Tracking


CampaignLogger is a free web tool for keeping track of your d40 role-playing game adventures. It's perfect for both players and game masters. You can use it to write down what happens in each game, making it easier to remember for next time.

This tool lets you create notes for different parts of your game, like characters, places, and items. Everyone in your group can look at these notes, which makes getting back into your game quicker and easier.


Community Support

CampaignLogger is looked after by about 25 people who help make it better. It's a project on GitHub, and over 800 gamers like it.

There's a friendly chat on Discord where people who make and use CampaignLogger talk about it. Since it's open-source, anyone who wants to help improve it is welcome.

How to Contribute

Here's how you can help with CampaignLogger:

If you're good at programming, you can also help fix issues or add new things. CampaignLogger is made with JavaScript, Vue.js, and Node.js. Check the GitHub page for how to start helping.

5. DiceSimulator: Advanced D40 Dice Simulation


DiceSimulator is a free tool that lets you see what happens when you roll d40 dice on your computer or phone. It's not just about picking random numbers; it tries to show how dice roll in real life. This means it looks at how dice bounce, how much they slide, and even what they're made of.

The cool part is that it can also pretend there are things like a rough table or obstacles in the way. So, the way the dice roll feels more like how it would if you were playing a game with your friends.


Community Support

A few people work together on GitHub to make DiceSimulator better. Over 300 people think it's pretty cool, and about 12 help out by fixing problems or adding new things.

There's also a chat on Discord where people talk about how to use it in games, what new stuff could be added, and how to make it better. It's a good place to share your ideas.

How to Contribute

Here's how you can help out with DiceSimulator:

If you're good at coding, you can help by fixing bugs, making it run smoother, or adding new features. DiceSimulator uses C++ and works with Node.js and Python. If you're interested, check out their GitHub page to see how you can start helping.

Why These Projects Matter

Open-source D40 projects are really important for both gamers and the people who make games. Since anyone can use and improve these projects for free, they help make playing D40 games more enjoyable and welcoming for everyone. They also let the gaming community have a say in creating tools that match how they actually play.

Enhancing the Gaming Experience

These projects offer new ways to play with D40 dice, making games more exciting. Tools like dice rollers and map creators allow friends to play together online, no matter where they're located. Others help game masters tell richer stories. With no big companies setting rules, developers can focus on what players really want.

The open community also means these tools keep getting better based on what players need. With lots of gamers giving feedback and offering help, the tools stay fresh and relevant. This way, instead of just buying a product and hoping it gets better, players can help guide how it improves.

Fostering Community and Learning

Open-source D40 projects are great for bringing gamers together to share knowledge. Experienced programmers can teach newcomers how to contribute. Gamers can suggest features that fit their style of play. This gives developers real-world experience while making games more fun for players.

This teamwork helps build a strong community around D40 games. It keeps special interests like tabletop RPGs with unique dice fun and easy to get into. Instead of breaking into smaller groups, players come together around projects they all help shape.

Promoting Open Gaming Values

D40 projects showcase the power of gaming tools built on community feedback. Without the pressure to make money, they can focus solely on making games better. This approach puts players first, giving the community a real say in their gaming experience.

Seeing the success of these projects can encourage more open development and teamwork in gaming. It shows that focusing on players rather than profits can create awesome tools. This could help change how people think about owning and controlling games.

In the end, these projects make a big difference by showing what's possible when development is driven by the community. They make gaming with less common dice more rewarding, bring players together, and support the idea of open and cooperative gaming. This has a bigger effect as players start to expect and demand to have a say in their games.



Open-source projects are super important for making games with d40 dice more fun and better. They're all about sharing and working together, so everyone can play cool games without spending a lot of money.

Key Takeaways

Get Involved

Check out the open-source d40 projects we talked about and see how you can help. Whether it's sharing ideas, reporting problems, writing guides, giving some money, telling your friends, or coding, every little bit helps.

By working together, we can make the open gaming community stronger and make sure d40 dice games are even more fun for everyone.

Which is the biggest open source project?

TensorFlow, made by Google, is a huge open-source project focused on making it easier to work with machine learning. It came out in 2015 and has stayed popular because it's big, has a lot of support, and really makes a difference.

Why do open source projects fail?

A big reason open source projects don't make it is because people stop working on them. If there's no one to update the code, fix problems, or add new stuff, the project just stops. Sometimes, the people working on it get too tired or lose interest.

What OSS products do you use day to day?

Here are some open-source tools people use every day:

How do I find easy open source projects?