This is part of the article series “making your game fun for everyone“.
Other lists and general concepts
The TTRPG safety toolkit by Kienna Shaw and Lauren Bryant-Monk
Support tools compilation by RPG Natalie
Bleed as described by Sarah Lynn Bowman
Tools for use before play
CATS (Content, Aim, Tone, Subject matter) by Patrick O’Leary
Content Warnings as used by the Gauntlet RPG community
Tags as used at Garrison RPG conventions
The same page tool by Chris Bankuei
Lines and Veils by Ron Edwards
When the Dark is Gone by Becky Annison (in the Seven Wonders anthology)
Script Change Toolbox (ratings) by Brie Beau Sheldon
Flags as described by Chris Bankuei
Tools for use during play
The Luxton technique as explained by PH Lee
More on the Luxton technique
The X Card by John Stavropoulos
The N Card by Mysty Vander and Adam Cleaver
The O Card by Kira Magrann
Script Change Toolbox by Brie Beau Sheldon
Archipelago ritual phrases by Matthias Holter
Cut and Brake as described by Lizzie Stark
The consent flower by Taylor Stokes
The Ok check-in by Maury Brown, Sarah Lynne Bowman and Harrison Greene
Tap out as described by Johanna Koljonen
The open door as described by Lizzie Stark
Look down as described by Johanna Koljonen
I will not abandon you as described by Meguey Baker
Feedback
Roses and Thorns feedback technique
Stars and Wishes feedback technique by Lu Quade.
Debrief
Game wraps as described by Fair Escape
Debrief: returning to the real world by Sarah Lynn Bowman includes the idea of a debrief buddy
Sharing the cognitive load by Gerrit Reininghaus covers debriefing
Dear Jane letter as described by RPG Natalie
EARS (Explain, Agenda, Reflect, Support) structured debrief tool by Joshua Fox