Apply compatibility patches for older Minecraft versions with LegacyFix, a project focused on legacy support.
Jumli
Check a RimWorld mod list for compatibility or other issues with JuMLi, a modlist checking tool.

About Jumli
JuMLi (Judge My List) is a database and modlist checking tool for the RimWorld modding community. It checks a mod list for compatibility and other issues and generates HTML and JSON mod reports.
It matches mods by Workshop ID and Package ID against datasets from jumli_data and Use This Instead, flagging performance, stability, alternative, and miscellaneous notices.
Key features
- Checks RimWorld mod lists against known-issue database
- Generates HTML and JSON mod reports
- Matches mods by Workshop ID and Package ID
- Flags performance, stability, alternative, and miscellaneous notices
- Builds index from jumli_data and Use This Instead
- Includes schema validation tool for dataset contributions
- Open-source code under GPL-3.0 with datasets under CC0 1.0
- Produces both HTML and JSON reports
- Combines community datasets with Use This Instead data
Jumli at a glance
- Category
- Gaming › Game Guides, Wikis & Tools
- Type
- Open-source project
- Pricing
- Not confirmed. Check the site
- Open source
- Yes · Source code
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
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