StarCar - Your Star Cartographer

Contents
  1. Overview
  2. Reviews

Overview

StarCar is a permanently free linear star systems cartography tool. It enables GMs running sci-fi campaigns to visualize and share star maps with their players easily. It allows a lot of different customizations for orbital bodies, like planets, secondary stars, Ringworlds, Dyson Spheres, and more. GMs can add notes to individual orbital bodies, stars, and moons. The notes can be totally customizable, or use either
Traveller https://groupfinder.eu/library/traveller-2e-2016
or Stars Without Number rules. If they want, the GM can even export a stylized PDF report that details all the notes in an easy-to-follow format. And if the GM just needs something right away? StarCar will roll the dice and generate a totally randomized system: random stars, planets, and even randomized plot hooks. Once the GM is finished, they can export it in a number of different formats: PNG, WebP, or JPG, or with settings like Printer Friendly or Transparent Background. Anything exported is licensed under Creative Commons 4.0, which means the person who makes it owns it. They can even use it in any products they sell, with attribution. Links starcar.grumpycorngames.com https://starcar.grumpycorngames.com/ - Starcar website

Other entries

Quest Portal
Tools & Platforms

Quest Portal

Virtual tabletop (VTT)
Quest Portal
English
Quest Portal is a simple yet powerful virtual tabletop (VTT) for playing TTRPGs on desktop and mobile devices. Game Masters can set up campaigns with ready-made scenes and maps that come with ambient music that can be revealed from the Fog of War, create character sheets as NPC or make them available to players to claim. Create your next adventure Create adventures for TTRPGs like Dungeons & Dragons, Call of Cthulhu, Pathfinder, and more. A guided adventure creation where you can simply describe your imagination and ask to get things done. Create your next Stories, Scenes, Maps, NPCs, and Pre-gens. /images/general-media/1773777522_3mS8v1aU.png Character Sheet Templates create a template for multiple character sheets to be created from Pricing Quest Portal is free for both Game Masters and Players and offers unlimited campaigns, characters, notes, and storage. Quest Portal Pro is an optional subscription that gives you access to the Quest Portal Assistant, Library Link, and Avatar Creator. Read more about Quest Portal Pro. Key Features Mobile App Play with your friends on the go or prepare from the comfort of your couch. Everything you can do on the web you can do on iOS and Android. Collaborative Notes Write notes together with the collaborative Note tool. Take notes, plan out your world, collaborate with others without taking focus away from the game. Character Sheet Templates Use our library of pre-made sheets and templates, or create your own. Track stats, skills, and more. Adapt to any TTRPG system. Maps & Fog of War Add images and maps to your session. Simple fog of war that is easy to add and remove. Track tokens and reveal areas as players explore. Desktop Web App A clean, intuitive web app built for speed. Prep fast, run sessions smoothly, and keep everything at your fingertips without getting in the way. Voice Chat High quality audio to connect with your friends online and play together. Additional links questportal.com - Quest Portal website r/QuestPortal - Quest Portal's subreddit

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Traveller Lifepath
Tools & Platforms

Traveller Lifepath

English
Free
Character sheets
A free, accessible, browser-based character creator and editable sheet for Mongoose Traveller 2022 — every roll cited, every choice logged, every character saved locally. Description Traveller Lifepath is a free, browser-based character creator and editable sheet for Mongoose Traveller 2022. It walks players through the full Mongoose 2022 lifepath — basics and species, characteristics, background skills, pre-career education (University, Army Academy, Marine Academy, Navy Academy), career terms with their full survival / event / commission / advancement loop, mustering-out, the post-creation skill package, and a final reviewable character sheet — without ever leaving a single browser tab.                                                              The tool offers three ways to set characteristics. Players who want the classic experience can have the site roll 2D × 6 into a pool and assign each value to whichever stat they like. Players who prefer their own physical dice can enter results manually; the site still tracks every DM, target, success/failure, and aging effect. Players who'd rather skip randomness entirely can use the included point-buy method (42-point budget, 2..12 per stat). PSI is rolled separately when psionics are enabled, and the Psion career unlocks accordingly.  /images/general-media/1778159165_rhvJ8xSn.png The character-creation rules are implemented as a typed effects engine — TypeScript discriminated unions with exhaustive switching — so every rule lives in one place and can be tested in isolation. The project ships with around 360 automated tests covering qualification, commission, advancement, aging crises, mishaps, life events, connections, the skill cap of 3 × (INT + EDU), pre-career education, and the Mongoose 2022 errata clarifications for Vargr and the Vacc Suit skill. A full audit trail of every rolled die, every applied DM, and every player choice is captured to a roll log that updates in real time. The post-creation sheet is a fully editable Mongoose-style character record. Skills, careers, equipment, weapons, armour, augments, connections, benefits, and free-form notes can all be edited inline; values save automatically to localStorage with cross-tab synchronisation, and the sheet is print-friendly (one panel per printed page, ink-friendly styling). Every character in the local library can be exported and re-imported as JSON for backup or for handing off between players.                                                      Two visual themes are included: a light "Little Black Books" look in the spirit of Classic Traveller, and a dark "Imperial" theme — plus a System mode that follows the operating system's light/dark preference and reacts live when it changes. Theme choice is remembered between sessions.                                                                    Accessibility is treated as a first-class concern. The interface meets WCAG 2.1 AA contrast requirements in both themes (verified by an axe-core audit suite that runs as part of the project's tooling), every interactive element has a visible keyboard focus indicator, icon-only buttons carry ARIA labels, and the layout includes a skip-to-content link for screen-reader users.            /images/general-media/1778159170_sbkOfhno.png Other features include undo across the wizard (rewinds to the relevant picker after popping a character snapshot), URL-based debug logging (?debug=1), the Connections rule for shared PC backgrounds, an aging-crisis path with medical-debt accumulation, and an honest "unofficial fan tool" disclaimer in every place it matters.                            The project is open-source under the MIT License, runs entirely client-side with no backend and no account requirement, and uses privacy-friendly analytics (no cookies). Bug reports, rules questions, and pull requests are welcome on GitHub. Links bytesbynelson.github.io - Live tool github.com - Source code github.com - Issue tracker / feedback

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Dungeon Master Tool
Tools & Platforms

Dungeon Master Tool

English
French
German
A portable, offline-first DM tool built with Flutter. Manage combat, track timelines, and project a rich campaign wiki seamlessly on any device. Overview & Key Features Project to Players Click "Toggle Player Screen" to open a second window. Drag any image — NPC portrait, item card, or map — to the "Drop to Project" bar. It appears instantly on the player-facing screen. Battle Map Toolkit Load a map and use four tool groups: Navigate to pan, Ruler/Circle for measurements in feet, Draw for annotations, and Fog to reveal or hide areas. Everything syncs to the player screen in real-time. Mind Map Canvas Right-click to add Notes, Images, or Workspaces. Middle-click to pan. Zoom freely — the LOD system keeps everything smooth no matter how complex your world gets. Soundpad Open the audio panel, pick a theme (e.g., "Forest", "Tavern"), and use the Intensity Slider to dynamically shift the music. Build custom themes with layered tracks. Links elymsyr.github.io - Official website github.com - GitHub Repository github.com - Developer docs patreon.com - Patreon page

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Reviews

Sorted by:
Grumpy
Grumpy
2 months ago

I think I did a very good job

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