Alternatives and similar repositories for Arena:

Users that are interested in Arena are comparing it to the libraries listed below

• kensanata / hex-mapping
  Tools to work with hex maps for roleplaying games. Usually web applications written in Perl and producing SVG output.
  ☆70Updated last year
• capheind / ACKS_SRD
  Adventurer Conqueror King System Reference Document.
  ☆20Updated 10 years ago
• brunobord / the-black-hack
  The Black Hack RPG text and tables, ready to be translated into your language
  ☆66Updated last year
• danielrcollins1 / OED-Expanded
  A verbose expansion of the OED house rules for Original D&D.
  ☆19Updated 10 months ago
• jhhoffmann / ACKS_SRD
  Adventurer Conqueror King System Reference Document in markdown format.
  ☆23Updated 5 years ago
• funkaoshi / hexenbracken
  The Hexenbracken!
  ☆22Updated 2 years ago
• kensanata / gridmapper
  A little Javascript/SVG application to create dungeon maps for role-playing games.
  ☆66Updated 3 months ago
• fate-srd / fate-srd-content
  Fate SRD content, nicely formatted
  ☆50Updated last year
• dialectrical / troika-srd
  A website for the Troika! roleplaying game system reference document
  ☆12Updated 2 years ago
• funkaoshi / osr-opml
  A simple script to generate a blogroll (or OSR blogs)
  ☆11Updated 2 months ago
• Sanglorian / orcus
  Orcus is a retro-clone of 4th Edition
  ☆44Updated 6 months ago
• ChaosiumInc / QuestWorlds
  Files for the Quesworlds SRD
  ☆53Updated last week
• Blackflighter / donjon-painter
  Graphical map translator for donjon's Random Dungeon Generator TSV files.
  ☆9Updated 4 months ago
• forthekill / travGenJS
  Javascript library for generating, reading, writing, and drawing sector data for sci-fi RPGs such as Traveller.
  ☆10Updated 7 years ago
• HextoryWorld / Awesome-Hexcrawl
  Awesome list of free Hexcrawl resources
  ☆96Updated 3 years ago
• exposit / pythia-oracle
  A Kivy & Python-based tool for solo p&p gaming
  ☆33Updated 4 years ago
• pgorman / travellercharactergenerator
  Character generator for the classic Traveller RPG
  ☆23Updated 6 years ago
• rlofc / hexroll
  TTRPG Sandbox Generator
  ☆40Updated 2 years ago
• Grauenwolf / TravellerTools
  Tools for the Traveller RPG
  ☆54Updated 7 months ago
• Vladar4 / itdr
  Into the Dungeon: Revived — Rules for fantastic adventure games playable with paper and pencil and polyhedral dice.
  ☆60Updated 3 weeks ago
• yochaigal / cairn
  ☆125Updated this week
• nhr / swn
  SWN Sector Generator: a gaming utility for use with the Stars Without Number RPG by Sine Nomine Publishing
  ☆61Updated this week
• r3zn3t / r3zn3t.github.io
  An expanding modification of 5etools, with supplements and custom homebrews
  ☆13Updated last year
• Praxxian / RPG-City-Generator
  ☆20Updated 2 years ago
• kcunning / gamemaster-scripts
  A collection of scripts that help me run my tabletop games
  ☆18Updated last year
• valzi / OSR_Rules_Library
  OSR Rules Library https://github.com/valzi/OSR_Rules_Library/wiki
  ☆13Updated 6 years ago
• orffen / cepheus-srd
  The Cepheus Engine SRD in HTML format
  ☆34Updated 2 years ago
• tschoppi / starsystem-gen
  Automated Generation of a GURPS 4e Star System as described in GURPS: Space
  ☆41Updated 3 years ago
• inexorabletash / travellermap
  The source code to TravellerMap.com
  ☆121Updated last week
• gcoulby / IronswornCompanion
  Ironsworn Companion is a digital toolkit for playing the tabletop roleplaying game Ironsworn.
  ☆56Updated 9 months ago