OpenMW-CS vs DarkRadiant

OpenMW-CS9.0Visit DarkRadiant8.2Visit

Higher score OpenMW-CS #3 in Game Modding Tools 9.0/10 Free plan Free plan✓ 3 of 4 features Visit OpenMW

vs

DarkRadiant #8 in Game Modding Tools 8.2/10 Open source ✓ 1 of 4 features Visit DarkRadiant

• OpenMW-CS fits best

  Deep, cross-platform OpenMW mod authoring

• DarkRadiant fits best

  Dark Mod level and gameplay authoring

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature	OpenMW-CS 9.0/10 Visit ↗	DarkRadiant 8.2/10 Visit ↗
At a glance
Editor score	9.0	8.2
Ranking	#3 in Game Modding Tools	#8 in Game Modding Tools
Best for	Deep, cross-platform OpenMW mod authoring	Dark Mod level and gameplay authoring
Pricing model	Free	Free
Starting price	Free plan	Open source
Free plan	✓ (best)	Not checked yet
Free trial	—	—
Deployment	Desktop	Desktop
Platforms	Windows, macOS, Linux	Windows, macOS, Linux
Support	Community, Docs, Tickets	Community, Docs
Built for	Solo, Small business	Solo, Small business
Features OpenMW-CS 3/4 · DarkRadiant 1/4
Archive extraction	Not checked yet	✓ (best)
Mod packaging	✓ (best)	Not checked yet
Plugin editing	✓ (best)	Not checked yet
Script editing	✓ (best)	Not checked yet
Specs
Supported formats	ESM, ESP, .omwgame, .omwaddon	MAP, PK4, ASE, LWO, OBJ, PFB, PROC
Supported platforms	Windows, macOS, GNU/Linux	Windows, Linux, macOS
Our review
Pros	Edits world, terrain, records, dialogue, scripts, and assets Supports ESM, ESP, .omwgame, and .omwaddon files Runs on Windows, macOS, and GNU/Linux	Specialized editors for objectives, AI, conversation, and Stim/Response Combines 2D/3D mapping with lighting, media, models, and prefab tools Open-source and available on Windows, Linux, and macOS
Cons	Focused on OpenMW content rather than general mod development No AI-assisted features Documented as software in development	Its focus is limited to Doom 3-based games and The Dark Mod The feature set may be more than needed for simple map edits Gameplay authoring is centered on The Dark Mod's systems
Our verdict	OpenMW-CS is the content editor included with the OpenMW open-source game engine. It is designed for modders and developers creating Morrowind-compatible modifications or original games based on OpenMW. The editor supports Windows, macOS,… Read the review →	DarkRadiant is an open-source level editor for The Dark Mod and Doom 3-based games. It is aimed at game mappers and fan-mission creators who need to build and edit maps while also authoring gameplay. The editor provides 2D and 3D map… Read the review →

Strengths and trade-offs

• OpenMW-CS — where it wins

  • Edits world, terrain, records, dialogue, scripts, and assets
  • Supports ESM, ESP, .omwgame, and .omwaddon files
  • Runs on Windows, macOS, and GNU/Linux

  Where it doesn't

  • Focused on OpenMW content rather than general mod development
  • No AI-assisted features
  • Documented as software in development

• DarkRadiant — where it wins

  • Specialized editors for objectives, AI, conversation, and Stim/Response
  • Combines 2D/3D mapping with lighting, media, models, and prefab tools
  • Open-source and available on Windows, Linux, and macOS

  Where it doesn't

  • Its focus is limited to Doom 3-based games and The Dark Mod
  • The feature set may be more than needed for simple map edits
  • Gameplay authoring is centered on The Dark Mod's systems

• OpenMW-CS9.0/10 · Free plan

  A free, open-source editor for deep OpenMW mod and game authoring.

  Visit OpenMWFull verdict →
• DarkRadiant8.2/10 · Open source

  A deep cross-platform editor for Dark Mod maps, gameplay, and fan missions.

  Visit DarkRadiantFull verdict →